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OmniTek OTR 1001 User Guide, v3.1 

N-8 

Set-Up 

The set-up required is summarised in the following diagram. 

OmniTek Delay 

Measurement System

(OTR 1001)

RVF source

(OTM/OTR/OmniTek LAB)

Transmission Path

 

Figure N-8: 

Set-up for Lip-Sync Delay measurement 

Test Sequence 

Measurement of audio/video delays relies on the use of a special full-motion video test sequence, 
which contains precise embedded audio tones. 

OmniTek has generated a special full-motion video sequence, which is available in all supported 
video formats – SD, HD and 3G. Two versions of the test sequence may be provided. 

The first comprises 100 frames of video that includes an uncompressed PCM tone on channels 1 
and 2 of group 1 and a Dolby-E encoded tone on channels 3 and 4 of group 1. This is provided as 
sets  of  RVF  files,  one  for  each  video  standard  that  is  supported,  provided  in  subdirectories 
named 

DolbyE_

<

NumActiveLines

>_[

Field

|

Frame

]

/RVF_

[

i

|

p

]<

FieldRate

>

Hz 

within  an  overall 

Sequences/Test Sequence E

 directory. (For example, the directory containing the test sequence 

for PAL is provided in 

DolbyE_576_Field/RVF_i50Hz

.) 

This version of the test sequence may be used to measure any of the following: 

 

PCM delay affecting PCM source 

 

PCM delay affecting Dolby-E source 

 

Dolby-E delay affecting Dolby-E source 

 

Dolby-E delay affecting PCM source 

(This last mode of operation is particularly useful where a PCM source is put through a Dolby-E 
encoder  as  the  operation  of  de-embedding  the  audio  and  encoding  it  often  introduces  an 
unknown delay.) 

The other test sequence is a PCM-only version that may be used to determine just the PCM delay 
affecting a PCM source for use where the equipment used to generate the test sequence does not 
support RVF files. This test sequence is provided as sets of YUV files, provided in subdirectories 
with names of the form <

NumActiveLines

>

[

_

<AspectRatio>]

_[

Field

|

Frame

]

[

_

<Frames>]

/YUV

 

within an overall 

Sequences/Test Sequence A

 directory.  

Содержание OTR 1001

Страница 1: ...Advanced Measurement Technology OTR 1001 User Guide Software Version 3 1 October 2013...

Страница 2: ...hange and revisions hereto or new additions may be issued to incorporate such changes Warranty OmniTek systems are warranted for one year from date of purchase This includes all feature upgrades and b...

Страница 3: ...een Windows Mode and Full Screen Mode A 12 A 5 Installing Additional Software Options A 13 A 6 Updating to the Latest Version A 14 A 7 General Care A 15 Cleaning A 15 Changing the Battery A 15 B OTR 1...

Страница 4: ...D 2 D 3 Changing the Range of Views Displayed D 3 D 4 Changing Size Position etc D 5 D 5 Saving the New Layout D 6 E Image Analysis E 1 General Steps E 1 E 2 Focus of Analysis E 2 E 3 Waveform View E...

Страница 5: ...es G 2 Setting the focus for the display G 3 G 2 Standard View G 4 Overview of Display Features G 4 G 3 Extended View G 5 Overview of Display Features G 5 H DCI Support VIEW_XR_DCI option H 1 CIE Colo...

Страница 6: ...25 2 Colour Comparison on Waveform Display I 28 3 Colour Comparison on the Vectorscope Display I 30 4 Colour Comparison using Histogram Display I 32 I 10 Error Reporting I 35 Configuration Issues I 38...

Страница 7: ...17 Display Properties K 17 Loudness and the Surround Sound View K 19 K 5 Lissajous Figures K 20 Selection K 20 Display Properties K 21 K 6 Surround Sound Lissajous Display K 22 Selection K 22 Display...

Страница 8: ...urement to the OTR 1001 M 2 Upgrading EYE_xx option M 2 M 2 Set Up M 3 Cabling M 3 Configuration M 3 M 3 Jitter Display M 4 Selection M 5 Display Properties M 5 M 4 Eye Diagram M 7 Selection M 8 Displ...

Страница 9: ...es Q 3 Line Patterns Q 6 Q 3 Saving Patterns Q 8 Q 4 Deleting Patterns Q 9 Q 5 Playing Out Test Patterns Q 9 Preparation for Play Out Q 9 Play Out Q 10 Q 6 Modifying the output Q 11 Enable SMPTE 352 Q...

Страница 10: ...S 1 Overview S 1 Architecture S 3 Operating Modes S 4 S 2 Setting Up the OTR for Quality Analysis S 5 Step 1 Switch into PQA Mode S 5 Step 2 Setting the OTR up for the required Operating Mode S 6 Ste...

Страница 11: ...s where included T 14 Waveform Graticules T 15 Time T 16 System Information T 16 IP Address Information T 16 Licences T 16 Button Bar options T 16 T 5 Video Inputs Page T 17 T 6 Audio Inputs Page T 17...

Страница 12: ...vel B Dual Link Signals Added by VIDEO_3G V 4 V 4 3G Level B Dual Stream Signals Added by VIDEO_3G V 5 V 5 Digital Cinema Support V 5 App I ANC Packet Descriptor Creation I 1 Overview I 1 Description...

Страница 13: ...standard test patterns and zoneplates play out video images and sequences from disk including 3D sequences and add gain noise bounce and audio tones to the resulting test signal again depending on wh...

Страница 14: ...aces clean and dry Ensure that the unit is properly ventilated Do not operate in an explosive atmosphere or in damp wet conditions Do not operate the OTR 1001 with either the cover or any of the panel...

Страница 15: ...tive picture selected area as required Fully digital processing Waveform High resolution Waveform View displaying YCbCr RGB YRGB or composite waveforms Cursors provided for measurement with automatic...

Страница 16: ...frame GUI freeze and capture offered as standard Instrument Options The OTR 1001 is offered with a wide range of options that enhance the facilities it offers in various ways see below Video Standard...

Страница 17: ...noise bounce insertion audio tone generation VITC ATC WSS VINDEX SMPTE 352 generation single frame capture GEN_MOTION Sequence Play out from PC RAM requires GEN GEN_ADV RVF Generation and ANC Generati...

Страница 18: ...itional boards that are required to support additional application options you have purchased will be already installed in the OTR 1001 We recommend saving the shipping carton and all packing material...

Страница 19: ...97Gbit SMPTE 259M 292M 424M EYE OUT1 EYE OUT2 Eye Jitter card outputs providing loop through of Eye Jitter card inputs Connection 2 x BNC with 75ohm termination Bit Rates 270Mbit 1 485Gbit 2 97Gbit SM...

Страница 20: ...olution for the monitor However with some VGA monitors the OTR is not able to set the optimum resolution automatically and may even give no display at all The point at which this might cause a problem...

Страница 21: ...ng the important connections when the OTR 1001 is being used to monitor a video signal Note The video signal can be passed through the OTR 1001 by connecting a BNC cable to the corresponding OUT socke...

Страница 22: ...tor Adding an External Sync Where the OTR 1001 is used to analyze incoming video it needs to be synchronised to that incoming video but for timing analyses including assessments of the clock derived f...

Страница 23: ...back Wait for the power button light to go out before switching on and re loading using the standard Start Up procedure given below Start Up Procedure To load the OmniTek OTR application 1 Plug in the...

Страница 24: ...ws mode is intended to be used for setting up the OTR to give you the displays you require Full Screen mode is intended for long term observation of the images being processed once the OTR has been co...

Страница 25: ...Panel Mouse Keyboard 1 Insert a memory stick in one of the USB ports on the OTR 1001 2 Display the System page of the Config window 3 Take the Save Licences option offered on the Button Bar and use t...

Страница 26: ...ort page Use the form on this page to register a username and password to log in to this website 2 Confirmation of your registration will be provided in an email When this confirmation arrives return...

Страница 27: ...Only qualified personnel should perform service procedures Cleaning The exterior of OTR 1001 may be brushed clean of dust with a soft bristle brush or wiped over with a dry lint free cloth DO NOT use...

Страница 28: ...OmniTek OTR 1001 User Guide v3 1a A 16...

Страница 29: ...n they carry out Button Description Input Preset select what the numeric pad is used for INPUT Pressing INPUT enables the numeric pad to be used for input stream selection Pressing and holding INPUT b...

Страница 30: ...ecting the action feature on the current Button Bar that is topped with the matching colour Navigation Buttons HOME Goes to top level of hierarchy menu structure BACK Goes back up one level of hierarc...

Страница 31: ...rts available for attaching a mouse and or keyboard The OTR 1001 is PC based and its interface broadly follows the control conventions of a standard Microsoft Windows interface with the PC s mouse and...

Страница 32: ...that where OTR systems are networked together they each have individual View windows These are therefore listed in a separate submenu Note The current version doesn t include Help Restore Windowed la...

Страница 33: ...hidden and ticked displayed by clicking on its name in the menu What the different toolbars offer is outlined below The order in which they are discussed works through the toolbars in their default or...

Страница 34: ...t to use Presets 1 9 are selected by simply clicking with your mouse on the corresponding number To select Presets 10 and above click on click on the digits of the required number then click on Enter...

Страница 35: ...Press Back function Backspace key Home function Home key Full Multi Display To select Press Full display Numeric keypad Multi display Numeric keypad Preset Selection To select Press Presets 0 9 P fol...

Страница 36: ...he heading those that are already fully displayed are indicated by a Figure B 4 Example display involving Settings Control Panel Mouse Keyboard To open a section of the display currently marked Use th...

Страница 37: ...option and pushing the GENERAL knob Switch these between checked ticked and clear by clicking on the box Options offered in a menu To set these move the focus to the current setting push the GENERAL...

Страница 38: ...ny of the main window displays Press the corresponding button from the group immediately to the right of the numeric keypad Note The Help button is to the left of the numeric keypad 1 Check that the W...

Страница 39: ...n the Button Bar turn on or turn off particular features the button is additionally highlighted copper coloured when that feature is currently selected Picking out Items to work with Throughout the OT...

Страница 40: ...Navigate toolbar Window Properties Each window offers a number of choices about how the window itself and the items within that window are displayed The choices that are made are referred to as the P...

Страница 41: ...y twisting the GENERAL knob If an item is selected within the main window display when the Properties control is called up the focus will be on this item Similarly if the Properties control is called...

Страница 42: ...ow with the saved combination of tiles Similarly when a Config Preset is selected the various settings shown in the Config window are replaced by the ones that were in place when the Preset was record...

Страница 43: ...ving System Presets differs from that used to save View Gen or Config Presets Recording a View Gen or Config Preset Control Panel Mouse Keyboard To assign the current View Gen or Config window set up...

Страница 44: ...Yellow button 1 Select Load Save presets from the File menu or press hold then release the P key on your keyboard to display the Presets dialogue 2 Take the Save system option Figure B 6 Presets dial...

Страница 45: ...ss and hold the PRESET button to display the Presets dialogue 1 Select Load Save presets from the File menu or press hold then release the P key on your keyboard to display the Presets dialogue Figure...

Страница 46: ...ct any type of Preset General Method Display the window you want to affect then press and hold the PRESET button to display the Presets dialogue Then pick the Preset you require from the list that is...

Страница 47: ...number ENTER E g 1 2 ENTER for 12 Assigning Presets to Function Keys Control Panel Mouse Keyboard To assign a System Preset Selection of individual Presets to a Function Key 1 i Press and hold the PRE...

Страница 48: ...yboard To select a Preset Combination that has been assigned to a Function Key 1 Press and hold the PRESET button to display the Presets dialog 2 When the dialogue appears select the Function Keys opt...

Страница 49: ...older are selected Toggle select all switches all the items in the current folder between unselected clear and selected ticked or vice versa depending on the current setting of the individual items OK...

Страница 50: ...mouse and keyboard fitted to it a special form of file selector is used shown below together with a dedicated button bar Together these allow the required details to be selected using just the buttons...

Страница 51: ...rom the schematic keyboard that is displayed see below Note Simple push for lower case characters push and hold for upper case characters Correct any mistakes by using the Backspace key beside the Spa...

Страница 52: ...OmniTek OTR 1001 User Guide v3 1 B 24...

Страница 53: ...n Figure C 1 Sample View Window display The range of analyses that may be viewed depends on the options purchased but may include Waveforms Vectorscope displays Gamut charts Status information Pixel d...

Страница 54: ...ased around a particular type of data analysis offered by the OTR 1001 The principal categories are WFM Video waveforms VECTOR Vectorscope PICTURE Video image AUDIO Audio displays such as PPMs GAMUT C...

Страница 55: ...ew It is also possible to select any tile and show the View it contains full screen These actions are described in Section C 2 Different combinations and arrangements of tiles may be saved for re use...

Страница 56: ...the View Window s Properties control Figure C 5 Soft keys settings within the View window s Properties control Normal In this mode when the Tile is selected the Button Bar is displayed over the part...

Страница 57: ...e front panel Click on the required option To hide the Button Bar Normal mode only Either Press the BACK button knob Or Press the OTHER button The OTHER button will no longer be lit Press the Backspac...

Страница 58: ...shown press either OTHER or BACK 2 Press the Tile button below the screen corresponding to the required category 3 The View shown then switches the most recently used View within that category If the...

Страница 59: ...n the screen s menu bar The top level of the Browser comprises a list of the categories that have been defined To display details of the Views that have been allocated to a particular category Move th...

Страница 60: ...reen Click on the required tile then take the Full option from the Full Multi toolbar or press the key of the keyboard s numeric keypad Click on Full or press again to toggle between showing and hidin...

Страница 61: ...s option directs the OTR 1001 to ignore any hierarchy in moving the focus between the Views on the screen Soft keys mode Selects between the various options for showing Button Bars see Section C 1 Til...

Страница 62: ...Keyboard To set any property of a tile 1 First check the options in the Button Bar If the Button Bar isn t shown push the GENERAL knob on the tile 2 If the Button Bar includes the required property ta...

Страница 63: ...selection as a View Preset 1 Select the View window 2 Press PRESET to put the keypad into Preset mode 3 Press and hold the appropriate numeric key 4 Set a suitable description and select OK 1 Display...

Страница 64: ...me This is explained in Section O Video Stream Selection Note This section describes how to select a video stream to analyse from among those currently offered As supplied the system is configured to...

Страница 65: ...Input option The input stream that has been selected may be seen by setting the Tile Info Line option in the Properties control to Permanent Note If the OTR has difficulty in locking to the input you...

Страница 66: ...ideo Standard section shown at the top of the Video Config page and tick the Automatic Detection option C 4 Freezing the display At any time the current window display can be frozen for further inspec...

Страница 67: ...e e g switching the View shown on any tile and setting tile properties but the tile that is currently selected isn t simply outlined with a coloured box Instead it is shown with Microsoft Windows styl...

Страница 68: ...d To leave Edit mode Right click then left click on the Edit mode option again this time clearing the tick When Edit mode is first selected there may be no obvious change in the appearance of the scre...

Страница 69: ...replaced by another in exactly the same way as this is done outside Edit mode details given in Section C 2 In particular the required View may be selected by right clicking on the tile and taking the...

Страница 70: ...ked to call up the Insert tile option The new tile can then be re sized positioned etc alongside all the other window tiles see below Its display properties can also be set through the Properties cont...

Страница 71: ...ame way i e Mouse Keyboard To re size the tile Drag either the corners or the sides until the tile is the required size Figure D 8 Dragging the edge of a tile to re size it To re position the tile Dra...

Страница 72: ...the Enable grid option within the Edit mode section of the View window s Properties control This section also includes a Count setting that sets the granularity of the grid to which the tiles are alig...

Страница 73: ...then select the required View from the appropriate Category section of the View Tile Browser as described in Section C 3 Or Right click on the required tile select the Replace Tile option then select...

Страница 74: ...ed via that display However the choice of the area to work with and the position of the crosshair cursor typically need to be coordinated across more than one display so the details are seen as proper...

Страница 75: ...hand corner of the screen but when the VIEW_3D option is enabled see Section I it can optionally be expressed as a percentage of the screen width or in metres with the origin at the centre of the scr...

Страница 76: ...t may have been applied to the video source Gamma may be either applied or removed as required while other linear log or custom adjustments applied to RGB or XYZ waveforms can be handled through the a...

Страница 77: ...ile Browser For more detailed instructions see Section E 1 Note No more than four waveforms vectorscopes or CIE Charts can be displayed at the same time Configuration Issues The following Configuratio...

Страница 78: ...r aspects of the Waveform View are determined by the tile s properties a complete read out of which is given in the Properties control Control Panel press PROPS to display Shortcuts to several setting...

Страница 79: ...ection enables the inclusion of the TRS in the display Cursors The OTR offers cursor pairs through which time differences and amplitude differences may be determined together with optional user define...

Страница 80: ...varying width around a central line that follows the Y luma component of video data The width of the band at any point of the waveform is determined by the chroma components of the waveform the magni...

Страница 81: ...om the Button Bar highlighted when the cursors are displayed Shared Waveform Markers To aid comparisons across multiple waveforms the OTR allows you to define one or more additional Shared Waveform Ma...

Страница 82: ...other cursors either by ticking and clearing the Show Cursors option in the Properties control or by selecting the Cursors option from the Button Bar highlighted when the cursors are displayed To posi...

Страница 83: ...e can either scale with the vectorscope display or keep its 1x size by ticking the Fixed Graticule option in the Properties control Where the VIEW_3D option is installed the Vectorscope can also be us...

Страница 84: ...selection is made through the Composite Matrix Type option offered on the Video Config page of the Config window Display Properties Other aspects of the Vectorscope are determined by the tile s proper...

Страница 85: ...witches between these options Note The OTR automatically switches the graticule to match the selected Colour Mode The Dither Mode option offers a choice of Dither mode between 8bit 10bit and 12bit whe...

Страница 86: ...om of the Gamut display are details of the percentage of pixels in the current frame for which the value goes outside the specified ranges together with details of the peak value of this percentage ov...

Страница 87: ...ideo Config page of the Config window Its purpose is to avoid producing misleading results as a result of including video data that has been corrupted by the sync Composite Matrix Different matrices m...

Страница 88: ...mouse Button Bar The Status Overview Figure E 12 Status Overview The information shown by the Status Overview depends on the item being reported but in most cases reports the current value of the par...

Страница 89: ...ror has been detected among the items of that section This provides a simple and effective way of firstly alerting the user to the fact that an error has occurred and secondly guiding the user to the...

Страница 90: ...ard To display the Status View 1 Press the STATUS tile button until the Status View appears 2 Press OTHER to display the Button Bar and use to select the required status information 1 Select Status fr...

Страница 91: ...by dragging with a mouse Select Reset Go to reset the column widths to their default values Resetting the display The second number given for some of parameters displayed in the Status View represent...

Страница 92: ...used has been selected as part of the Video Configuration see Section T 2 The SMPTE 352 Luma and SMPTE 352 Chroma entries interpret SMPTE 352 data where detected Where an analog reference signal is be...

Страница 93: ...which the error level recorded in the Video Config was exceeded since the last reset and a count of these error frames per second EFPS It also shows the maximum and minimum RGB values experienced The...

Страница 94: ...deo Config page For further information see Sections I and T Quality Analysis where included The entries in this section report The current value of the various Picture Quality measurements PQA option...

Страница 95: ...tream Where any of these message types is present details are given of the location at which the message has been found For CEA 708 captions the OTR also reports on the validity of the caption distrib...

Страница 96: ...OmniTek OTR 1001 User Guide v3 1a E 24...

Страница 97: ...gamut to flash Where the Allow 3D Monitoring option is ticked the Picture display also includes some 3D options for further information see Section I The aspect ratio used for the display can either...

Страница 98: ...Descriptor formats The None option causes the aspect ratio to be set by the number of lines and the number of pixels per line in the Active frame while the WSS Video Index and AFD options tell the OT...

Страница 99: ...e For further information see Section S 3 Timecode The Timecode options in the Properties control enable the display of timecode data embedded in the video and define the text style and the position f...

Страница 100: ...e display of this crosshair is principally controlled by the Crosshair section of the Picture properties where the Crosshair options control whether the crosshair is displayed or hidden and whether it...

Страница 101: ...in the Picture Crosshair section of the Properties control To position the crosshair on the Picture display Either check that the Modify ROI option on the Button Bar is not selected then drag the cro...

Страница 102: ...ng the PROPS button 2 Open the Picture tile section of the Properties control far enough to display the Timecode details 3 Select the Type entry and use the drop down menu to select the type of timeco...

Страница 103: ...F 6 Picture View with Captions The OTR is able to automatically detect and decode Line 21 CEA 608 and CEA 708 captions the latter from up to six services provided within the video stream and overlay...

Страница 104: ...the type of captions subtitles displayed 1 Call up the Properties control e g by pressing the PROPS button 2 Open the Picture tile section of the Properties control far enough to display the Closed C...

Страница 105: ...ers a range of pre defined cages always centrally positioned the area of which is given as a percentage of the display The Adjustable cage option allows you to specify the dimensions you require Optin...

Страница 106: ...tive to the top left hand corner of the active frame Then use the CX and CY settings to set the width and height of the required cage Dashed Tick this option to distinguish the Safe title cage from th...

Страница 107: ...aving and Re loading Cage definitions may be saved as Cage Presets ready to be re loaded when required Control Panel Mouse Keyboard To save the current set of cage definitions 1 Select the Save Cage o...

Страница 108: ...d out as the Region of Interest is shown on the Picture display when enabled and can be both enabled disabled and modified via the Picture display Figure F 12 Picture Button Bar with Enable ROI and Mo...

Страница 109: ...es in parallel 3 Adjust Top and Bottom edges using VERT knob Press and twist the VERT knob in a similar way to the actions described above Pressing the VERT knob cycles its action round Moving the top...

Страница 110: ...d through the Zoom View setting included among the Picture display s properties and also accessed through the Zoom View option included in the Picture display s Button Bar Figure F 14 Picture Button B...

Страница 111: ...ew data is shown for a specified sample pixel pair together with samples earlier and later in the same line The focus for the display is the current position of the crosshair cursor as shown for examp...

Страница 112: ...nstructions see Section E 1 Display Properties How the Data View is displayed is determined by the tile s properties a complete read out of which is given in the Properties control Control Panel press...

Страница 113: ...ns cause the chosen text size to be used for both Multi View and Full View versions of the display Setting the focus for the display As stated above the focus for the pixel data displayed by the Data...

Страница 114: ...t the Y Cb and Cr values associated with the selected pixel The background against which the data is displayed is colour coded as follows Green indicates that the pixel is within active video Blue ind...

Страница 115: ...he type of video signal that is being analysed For instance combined Y C information is displayed for SD signals but separate Y type and C type information is displayed for HD signals Within the activ...

Страница 116: ...OmniTek OTR 1001 User Guide v3 1 G 6...

Страница 117: ...histograms or the vectorscope In particular Each colour that the eye can see is represented by a single point on the chart The point representing a colour is independent of the colour primaries that...

Страница 118: ...he luma value within a specified range selected by the user Labels showing the selections that have been made can optionally be shown in the corners of the display The same general steps are involved...

Страница 119: ...ontrol Figure H 2 CIE Colour Chart Properties Button Bar Filter Control The Filter control selects how the incoming data is sampled The choice offered is between a Flat filter a Low Pass filter or No...

Страница 120: ...A gamma correction of is removed by setting the Gamma option to 100 The Colour setting selects the required combination of trace and background colours as follows The Button Bar option cycles through...

Страница 121: ...simply indicate that a signal is out of gamut these histograms allow you to see to how far out of gamut the signal goes The histograms for the different colour components may be displayed overlaid st...

Страница 122: ...measured is set by the Amplitude Measurement Units setting on the System page of the Config window Display Properties How the histograms are displayed is determined by the tile s properties a complet...

Страница 123: ...ternatively selecting the Auto Range option adjusts the maximum to fit the image that is being processed Visualisation The Show Graticule option controls the display of the underlying grid and associa...

Страница 124: ...OmniTek OTR 1001 User Guide v3 1 H 8...

Страница 125: ...ons for handling S3D video taken from a mirror rig The steps used to enable Stereo 3D Analysis and Camera Alignment are given in Section I 2 Notes i The 3D facilities described here also require the V...

Страница 126: ...the Properties control Any change in the position of the crosshair cursor in any of these displays automatically causes all references to this cursor to be updated to reflect the new position in the...

Страница 127: ...re enabled the OTR s Capture facilities are disabled However the live input received on either input can still be passed through to the SDI outputs as described in Section P 4 There is also the option...

Страница 128: ...n within the set of 3D Settings according to the orientation of the right eye images that are to be processed Off normal orientation H orizontal Flip or V ertical Flip Applying Auto correction Differe...

Страница 129: ...nals The width of the blurred edge gives a visual impression of the item s distance in front of or behind the screen The blurring is zero for items located in the screen plane As the difference signal...

Страница 130: ...OmniTek OTR 1001 User Guide v3 1 I 6 Figure I 3 Difference view Figure I 4 Anaglyph representation...

Страница 131: ...cture tile properties Where the Checkered option is selected also set the Checkerboard Size to the required value Configuration Issues The following settings are required on the System page of the Con...

Страница 132: ...checkerboard pattern of alternating segments from Signal Input 1 and Signal Input 2 The number of elements across the width of the pattern is set from a choice of 16 32 48 64 128 or 256 through the a...

Страница 133: ...to be to the viewer is readily calculated by simple geometry All the calculation requires is knowledge of the width of the screen the viewer s distance in front of the screen how far apart their eyes...

Страница 134: ...Analysis described in this section needs the following parameters to be set correctly in the 3D Settings section of the System page of the Config window Allow 3D Monitoring Allow 3D Monitoring must be...

Страница 135: ...h SMPTE recommendations the defaults for these values are Viewer Distance 1 75m Screen Width 0 93m Interocular distance 0 064m Disparity Crosshair units Disparity values can be expressed either in pix...

Страница 136: ...e Maximum Budget disparity are coloured violet and points between are coloured using the standard colour ramp The proportion of points for which the disparity was outside the specified limits is liste...

Страница 137: ...ge regardless of the size of the tile in which it is displayed the Unity option The Button Bar Size option switches between these two settings Display Type This option offers the choice between showin...

Страница 138: ...screen plane and the limits of the specified Depth Budget On three of the displays there is also the option of a read out of the Viewer World coordinates of the point at or nearest to the current cro...

Страница 139: ...is all contained within a cone spreading out from the viewer s position at the tip of the cone Disparity view Figure I 12 Disparity View The Disparity view is a plot of disparity values against positi...

Страница 140: ...can be rotated both left to right and up down thereby allowing the scene to be seen from all possible angles You can also move in and out on the images For details see Rotate Zoom below The OTR also o...

Страница 141: ...n is ticked the coordinates of the item at the current position of the crosshair cursor in viewer s coordinates are listed in the top right hand corner of the screen The Button Bar Show Coordinates op...

Страница 142: ...parity is measured in the units selected on the System page of the Config window see Section T 4 The mean disparity value is displayed in the top right hand corner of the Histogram window There is als...

Страница 143: ...ap Histogram Properties Button Bar Auto Range Selecting the Auto Range option either in the Properties control or on the Button Bar adjusts the height of the histogram to suit the current data Maximum...

Страница 144: ...g on how the Analyser source is set When aligning a pair of cameras the output from one camera is typically fed into either SDI Input 1 or Eye Input 1 again depending on how the Analyser source is set...

Страница 145: ...on the Button Bar capture the reference against which input from a single camera may be compared and select the type of image to be analysed because different point matching algorithms need to be app...

Страница 146: ...ainst a previously captured reference image In1 vs Ref When either VIEW_3D is not installed or 3D Monitoring is not enabled the choice is between the image on Input 2 against the image on Input 1 In2...

Страница 147: ...ndow as the pattern Reference yuv To save the image for subsequent use Use the Save option from the Generator window s Session menu to save the Reference yuv pattern to your chosen location Do NOT cha...

Страница 148: ...ig window and check the set up details recorded in the 3D Settings section For further information see Section I 2 2 Check that the Auto Gain Control and Auto correct Vertical Disparity options are ti...

Страница 149: ...a measure of the difference in luma chroma levels between the two component signals and hence indicate the size of adjustment that needs to be applied either to the signals themselves or to the camera...

Страница 150: ...est image and the reference image Where the line leans to the right the Gain is greater in the test image i e the Right eye image in the case of Stereo 3D video and less in the reference image i e the...

Страница 151: ...gainst a previously captured reference image In1 vs Ref When the VIEW_3D option is not installed or 3D Monitoring is not enabled the choice is between the image on Input 2 against the image on Input 1...

Страница 152: ...s below The number of divisions can be set to a selection of values between 16 and 256 Selection Control Panel Mouse Keyboard To set up a Waveform tile for Level Comparison 1 Feed the components of th...

Страница 153: ...n see Section I 4 Note The easiest way to check the Channel Assignment is to look at one of the Depth displays described in Sections I 5 I 7 Display Properties The characteristics of the Waveform tile...

Страница 154: ...e waveform from the Right Input 2 image shown in cyan Figure I 24 Example 3D Vectorscope display The vector displays resulting from Left and Right images are typically similar in shape but displaced f...

Страница 155: ...ether either image is flipped either horizontally or vertically For further information see Section I 4 Note The easiest way to check the Channel Assignment is to look at one of the Depth displays des...

Страница 156: ...ing option is ticked the Histogram display offers two possible ways of showing the differences between the colour components in the Left Input 1 image and those in the Right Input 2 image One option i...

Страница 157: ...for Analyser 1 and or Analyser 2 as appropriate For details see Section T 4 For Stereo 3D video the Channel Sources should be set to show how the Left eye and Right eye images are provided see Sectio...

Страница 158: ...values Where the Overlay option is taken the display shows histograms for each of the colour components in which the Left Input 1 image shown in red overlaid by the histogram data from the Right Inpu...

Страница 159: ...of video status and error reporting current values are reported through the Status Overview called up as described in Section E 6 while the circumstances under which these values are reported as being...

Страница 160: ...e set by the Search minimum and maximum set on the System page of the Config window Items in the image for which the disparity lies outside of the Search range will be missed and will not be recorded...

Страница 161: ...een applied to the test Right eye image over those that have been applied to the reference Left eye image Acceptable limits and whether larger deviations should be reported as errors are specified thr...

Страница 162: ...o 3D video the Camera Flip options should be set to specify whether either image is flipped either horizontally or vertically Apply Automatic Corrections Also on the System page Auto Gain Control and...

Страница 163: ...f the video stream into or out of a particular state The conditions under which an error is reported are set through the Video Config and Audio Config pages of the Configuration window These pages lis...

Страница 164: ...e giving an analysis of the frequency at which particular types of event have occurred or a snapshot of the status at the start of the logging session or a snapshot of the status at the end of the log...

Страница 165: ...indicates its error state as follows Green Free from error or at least no errors reported so far Note Whether a user defined session contained any errors is only reported once the session has been co...

Страница 166: ...t may be displayed includes The type of transition Start The named event started and continued for every frame End The named event had been occurring on every frame but stopped at this point Change Th...

Страница 167: ...listed in the Live log Snapshots of Start End Status Figure J 5 Sample Snapshot End display The Snapshot Start display is similar For any completed logging session the lower part of the Event Log may...

Страница 168: ...through the Properties control Where a mouse is fitted the widths of the columns can also be adjusted by dragging the appropriate column divide Properties Control The controls offered chiefly comprise...

Страница 169: ...e current log has been saved to disk to open the associated XML file for inspection Previous page Displays the previous 500 entries of a Session log where these exist Next page Displays the next 500 e...

Страница 170: ...e dialogue that is displayed 3 Take the OK option from the dialogue s Button Bar Figure J 8 New Session dialogue Note The details of the session can be changed right up to the point at which the sessi...

Страница 171: ...in Section U Recalling from Disk Logs from previous sessions that have been saved as described above can be loaded back into memory for further inspection Control Panel Mouse Keyboard To recall a log...

Страница 172: ...it was a Single i e one off log or part of a Continuous sequence the triggers for the start and stop and once it has completed the file name under which it is stored The logs comprise Momentary Slidi...

Страница 173: ...recorded in a file and the display updated with the details of this file Manage Disk Provides access to the Manage User Files dialogue through which Loudness Logs and other User items can be transfer...

Страница 174: ...t Time slot associated with the End Trigger If you are working with PC Times you can alternatively use this slot to set the Duration of the log This can be up to 24 hours 6 Take the OK option The log...

Страница 175: ...g the VERT knob 1 Click on the tile to display the Button Bar 2 Click on the log that you want to edit 3 Take the Edit option from the Button Bar and make whatever changes you require Note The Edit op...

Страница 176: ...n be readily adjusted to suit the needs of the data being displayed see Adjusting the Coumn Widths below The Log List comprises a list of the Closed Caption logs that have been defined since the displ...

Страница 177: ...ined by the tile s properties a complete read out of which is given in the Properties control Control Panel press PROPS to display Shortcuts to some of the settings are provided through the Button Bar...

Страница 178: ...ummary of the options offered by the Button Bar when the Log List is selected Live Switches from the Log List to the Live Log Add Calls up a dialogue through which logs triggered by PC Time or Timecod...

Страница 179: ...se Control Panel Mouse Keyboard To adjust the column widths 1 Either Twist the VERT knob until the cursor moves up from the top of the list to the line of headings Or Press the VERT knob either once o...

Страница 180: ...escribed in Section U may be used to transfer the files from there for analysis outside the OTR The number of logs that can be recorded is limited solely by the capacity of the disk Figure J 12 Exampl...

Страница 181: ...The log is then added to the display as pending to be started and stopped in accordance with the specified triggers Scheduling a Continuous Sequence of Logs Control Panel Mouse Keyboard 1 Move the fo...

Страница 182: ...ocus to the Log List and press the GENERAL knob to display the Button Bar 2 Select the log that you want to remove by twisting the VERT knob 1 Click on the Log List to both move the focus to this list...

Страница 183: ...commands that are supported are detailed in a MIB file The conditions detected within the video stream that generate SNMP trap signals are defined by the user as part of the OTR 1001 s Video Configur...

Страница 184: ...OmniTek OTR 1001 User Guide v3 1 J 22...

Страница 185: ...ted stereo mix downs Which of these options are offered on any system depend on which software options are installed The OTR s basic audio facilities allow embedded audio delivered via either SDI port...

Страница 186: ...ked Dolby E or Dolby D as appropriate Channels that don t contain any audio are shown as grey Where a channel exceeds the specified Over level it is marked OVER where it falls below the specified Sile...

Страница 187: ...Config window see Section T 2 Figure K 2 Example True Peak display Peak Hold lines may optionally be added to the display as the input data stream is processed These may be configured to show either...

Страница 188: ...ig window see Section T 3 Reference Clip Level etc Settings The levels at which the bars of the displays are coloured red yellow green as appropriate are determined by the Reference Level settings on...

Страница 189: ...ute The Button Bar Mute option refers to the sound level when the audio is played back see Section K 9 Error Reporting Errors are typically reported both by colouring or overwriting the relevant part...

Страница 190: ...rround encoded stereo pair from the L C R Ls and Rs channels together with formulae for optionally including the LFE channel in the final L and R stereo pair The OTR uses the Dolby Prologic version of...

Страница 191: ...here the AUDIO_LOUD option is installed they can be set to show True Peak values Overlaid on each PPM is a loudness scale used to indicate the momentary loudness on each channel where supported The bl...

Страница 192: ...display Channel Allocation The allocation of channels to L R C etc is predefined for Dolby audio For embedded or AES audio it is set by editing the details for the selected audio service on the Audio...

Страница 193: ...ion selects the graticule used for Program Loudness meter shown to the right of the Surround Sound display For further information see Section K 4 below Loudness Units The Loudness Units option select...

Страница 194: ...ne extreme or e g gunshots at the other extreme dominating the resulting figure ii Where Surround Sound inputs are selected a set of Program values for Momentary Short term and Integrated Loudness are...

Страница 195: ...he Status Overview see Section E 6 These views include a Reset option which may be used to reset the calculation of the Integrated Loudness It is also possible to log Integrated Momentary and Short Te...

Страница 196: ...nfig page of the Config window and shown in the title of the display In addition if the Short term Loudness exceeds the level specified in the Audio Config a red block will appear at the top of the af...

Страница 197: ...e AUDIO section of the View Tile Browser For more detailed instructions see Section E 1 Display Properties The details of how the Loudness bar graphs are displayed are determined by the tile s propert...

Страница 198: ...ers to the sound level when the audio is played back see Section K 9 Loudness History The OTR also offers a Loudness History display This Loudness History can be displayed as a trace of loudness level...

Страница 199: ...rrent frame The calculated Integrated Loudness value is shown at the top of the screen As in other Loudness displays the Short term Loudness graph is coloured from blue too quiet to red too loud with...

Страница 200: ...Displays similar to the one illustrated below can be shown for each of the available audio inputs The selected audio input and the selected channel pair are named in the title of the display Figure K...

Страница 201: ...ton until the Loudness History display appears Select Loudness History from the AUDIO section of the View Tile Browser For more detailed instructions see Section E 1 Display Properties The details of...

Страница 202: ...he Loudness target and the Integrated value shown at the top of the display are expressed The choice of units is between LU LUFS or LKFS History Range This option selects the period for which data is...

Страница 203: ...f the PPM display is similar to the bar graphs shown in the Loudness View described above but rather than showing the Momentary Short term and Integrated Loudness values for a pair of channels it show...

Страница 204: ...contribute to that audio input The same general steps are involved in working with this display as are used with other Views See Section E 1 An alternative version of the display is provided for Surro...

Страница 205: ...t option cycles through the possible sources for the display Pair This option selects the stereo pair that is displayed in the two channel version of the Lissajous display The Button Bar option cycles...

Страница 206: ...dicated both by labels and by symbols showing their expected positions Selection The Surround Sound Lissajous display is a member of the AUDIO category Control Panel Mouse Keyboard To show the Surroun...

Страница 207: ...PMs or Dolby PPMs where supported that are associated with the selected video input Below each of these headings are details of the channel pairs into which the audio is divided the channels that make...

Страница 208: ...through the Properties control Control Panel press PROPS to display is the width of the columns in which the Overview information is displayed These widths can also be adjusted by dragging with a mous...

Страница 209: ...16 bits 18 bits 19 bits 20 bits 22 bits 23 bits 24 bits user unknown Meter Information Audio Also given for individual channels are details of current and peak levels together with running counts of...

Страница 210: ...part of the system configuration see Configuration below Adding the AES card The AES card needed to analyse AES EBU audio is provided as part of the AUDIO_AES option that is available for the OTR 100...

Страница 211: ...or Dolby audio as required see page K 30 below Control Panel Mouse Keyboard To set the AES card to work with the required analyser 1 Display the System page of the Config window 2 Set the AES Clock So...

Страница 212: ...e To play out this audio you simply need to select the required stereo pair as described below Steps are also given below for adjusting the volume at which the audio is played Selecting the Stereo Pai...

Страница 213: ...a Volume indicator which reacts to the changes you make Note If Mute is selected see below this indicator is shown overlaid with a No Go symbol Speaker Mute Control Panel Mouse Keyboard To select Mute...

Страница 214: ...that has been used in analysing the audio recorded on the Audio Inputs page of the Config window Note Playing out Dolby audio requires further configuration This is described in Section L Cabling Sim...

Страница 215: ...so play out the extracted Dolby audio Note Dolby audio can only be analysed on one input at a time The input on which the decoding is active is always the one that was most recently configured for Dol...

Страница 216: ...hould start This provides a guard band between successive Dolby Frames during which edits and switches can occur without affecting the integrity of the Dolby data The width of this guard band is furth...

Страница 217: ...Where the Dolby data to be analysed is in video being output from the built in test signal generator either analyser can be set to monitor this generator The process of setting the analyser source is...

Страница 218: ...a channel selection Note If you are unsure which stereo pair is used you can check by displaying PPMs for the appropriate set of audio channel pairs Embedded or AES as one of the tiles on the View win...

Страница 219: ...ble for viewing embedded audio The first is the arrangement offered by the PPMs view described in Section K 2 the second is the arrangement offered by the Surround Sound view described in Section K 3...

Страница 220: ...bed in Section K 4 the Loudness History also described in Section K 4 and the Surround Sound view described in Section K 3 The Dolby versions of these displays are simply variants of these views with...

Страница 221: ...he OTR 1001 configured for the appropriate input and the required stereo pair as described in Section L 1 the Status Overview display for this input includes a complete decode of the embedded metadata...

Страница 222: ...ine at which the Dolby frame was found to start This line number will be shown in red if any frame since the last reset has been found to start outside the Guard Band The frame s with this error can b...

Страница 223: ...of frames in which the values determined fell outside the ranges specified on the Audio Config page of the Config window Note The Short Term and Integrated values are determined over a number of frame...

Страница 224: ...0 Settings for Dolby Playback on the System page of Config window 3 Ensure that the Dolby decoder is active on this analyser by selecting the Dolby service associated with this analyser on the Audio I...

Страница 225: ...g software The data carrier signal for analysis is attached to a BNC input on this card Views Offered The following displays are offered 1 Jitter Display from which information about the waveband in w...

Страница 226: ...e Eye Jitter card fitted You should also note that the OTR 1001 only has space for one additional card which mean that the Eye Jitter card cannot be installed in a machine that includes the optional A...

Страница 227: ...lysed needs to be fed into one of the Eye Jitter card inputs This signal is also mapped to the corresponding Eye Jitter card output The clock output provides access to the timing signal that is extrac...

Страница 228: ...while pushing and holding the knob centres the current cursor The distances between these pairs of cursors are automatically reported as dx and dy values in the top right hand corner of the screen Th...

Страница 229: ...For more detailed instructions see Section E 1 Display Properties Other aspects of the Jitter Display are determined by the tile s properties a complete read out of which is given in the Properties co...

Страница 230: ...el The Persistence setting sets the rate at which the displayed data decays Larger values have the result of smoothing out time variations The Gamma setting applies gamma encoding to the displayed wav...

Страница 231: ...own by adjusting the Eye Sample Rate There are a number of signal quality assessments that can be determined from an Eye Diagram The main ones are the signal amplitude eye height and rise and fall tim...

Страница 232: ...iven by the separation in time of the ends of these two lines The Rise Fall low amplitude level and the Rise Fall high amplitude level are defined on the Video Config page of the Config window see Sec...

Страница 233: ...igh Pass Filter The amount of jitter shown around the Eye cross over depends on the frequency of the high pass filter that is applied to the clock extraction loop The High Pass Filter option in the Pr...

Страница 234: ...ng out time variations Note This control is disabled in Auto Measure mode The Gamma setting applies gamma encoding to the signal A setting of 100 corresponds to a gamma value of 1 Values below 100 emp...

Страница 235: ...ect the Cursors option from the Button Bar highlighted when the cursors are displayed Or Tick clear the Show Cursors option in the Properties control Moving the Cursors Control Panel Mouse Keyboard To...

Страница 236: ...Control Panel Mouse Keyboard To obtain a measure of the degree of overshoot 1 Use the Properties control to display the Voltage Cursors 2 Position one cursor in line with the peak of any overshoot 3...

Страница 237: ...hown on the Eye diagram see Section M 4 among the auto measure information shown on the Jitter display see Section M 3 Where the length that is estimated is significantly longer from the actual cable...

Страница 238: ...OmniTek OTR 1001 User Guide v3 1 M 14...

Страница 239: ...HD video using dedicated test sequences with just VIDEO_SD VIDEO_HD and the AUDIO option which is also supplied as standard These measurements also require a system on which you can play out the supp...

Страница 240: ...relative to the source named above it though the option is offered to invert the last of these three comparisons see Display Properties below Where the lower source under test is advanced relative to...

Страница 241: ...erence Loop connectors Display The Reference Timing View is a member of the TIMING category Control Panel Mouse Keyboard To display the Reference Timing View Press the TIMING tile button until the Ref...

Страница 242: ...option is ticked the display switches to additionally showing the total offset measured in seconds Figure N 4 Detailed version of the Reference Timing display Invert option Switches the third compari...

Страница 243: ...ser 2 source on the System page of the Config window to select the source for the signal for which the delay is to be determined For details see Section T 4 In PQA Mode Select Internal Internal Intern...

Страница 244: ...OmniTek OTR 1001 User Guide v3 1 N 6 Figure N 5 In Service Delay Measurement as displayed within Status Overview Figure N 6 In Service Delay Measurement as displayed within Status Summary...

Страница 245: ...lower one showing this for the second channel in this channel pair The ends of the meter represent 1 field With the test sequences supplied it is possible to measure the delay introduced in either PCM...

Страница 246: ...d DolbyE_ NumActiveLines _ Field Frame RVF_ i p FieldRate Hz within an overall Sequences Test Sequence E directory For example the directory containing the test sequence for PAL is provided in DolbyE_...

Страница 247: ...system However the output from the Generator can then be recorded on a recording device that also records blanking e g a tape or disk recorder and that recording subsequently used in place of OmniTek...

Страница 248: ...Control Panel press PROPS to display Shortcuts to common settings are provided through the Button Bar Control Panel press GENERAL or OTHER knob on the tile Mouse Keyboard click on the tile to display...

Страница 249: ...r test with its timing immediately prior to being fed into the equipment under test This comparison requires the AV_ISD software option With AV_ISD installed on the OTR determining the Loop Delay is s...

Страница 250: ...OmniTek OTR 1001 User Guide v3 1 N 12...

Страница 251: ...e tiles that are being shown When simultaneous monitoring is both installed and enabled see below the effect of selecting an input is to switch just the currently selected tile to display results from...

Страница 252: ...ee Section T 4 Control Panel Mouse Keyboard To enable Simultaneous Monitoring Tick Simultaneous monitoring View window tiles can then be individually set to display results from different inputs To di...

Страница 253: ...o use Control Panel Mouse Keyboard To set the required input 1 Move the focus to the tile you wish to set or otherwise select this tile 2 Either press the INPUT button and type the number of the requi...

Страница 254: ...O 4 OmniTek OTR 1001 User Guide v3 1...

Страница 255: ...are offered when the GEN option is installed are described in Section Q Note The majority of the facilities described in this and the following two sections cannot be used at the same time as the 3D a...

Страница 256: ...ce for test signals Where just GEN_BASIC is installed the OTR offers a fixed selection of thumbnails three pass through options one for Input 1 one for Input 2 and one for both inputs and four offerin...

Страница 257: ...e below is active If you have been using the Properties control you need to either close it or where a mouse keyboard are attached click away from it for the Button Bar to become active again File men...

Страница 258: ...ain View menu and tick the Gen option in the sub menu that is displayed The information displayed about the individual patterns comprises the type of pattern the Video type plus associated configurabl...

Страница 259: ...ideo Standard selection in the Properties control push the GENERAL knob to display the list of previously selected standards 1 Either select the Output Video Standard option on the Gen window Button B...

Страница 260: ...nlock source is detailed in the top right hand corner of the Gen window against a background that indicates whether it is present at a matching frame rate green or either not present or not at a match...

Страница 261: ...of deliberate bit errors see Section Q 7 Control Panel Mouse Keyboard To save the current selection as a Gen Preset 1 Select the Gen window 2 Press PRESET to put the keypad into Preset mode 3 Press an...

Страница 262: ...e can be used as a test pattern in the same way as other image files The frame can also be saved for later use either in your User area alongside settings presets event logs etc see Section U or in an...

Страница 263: ...ure P 6 Main Gen window Button Bar showing Capture option The OTR then captures the specified number of frames from the selected capture channel and adds a corresponding thumbnail to the Gen window di...

Страница 264: ...and how to make use of the pass through options The additional facilities offered by installing the GEN option are described in the following section Section Q Note By default the output that is gener...

Страница 265: ...Open the first possibly the only segment of the pattern select the Pattern entry and select the required Pathological pattern from the drop down menu that is displayed The thumbnail on the Gen window...

Страница 266: ...dard The pattern thumbnails included in the Gen window automatically start with ones for passing each SDI Input through to both outputs and a wider one that allows the two inputs to be passed through...

Страница 267: ...Figure Q 2 Gen window File menu Q 1 Loading Patterns from Disk A common source of test signals are files stored on disk These may be added to the Gen window by taking either the Image option from the...

Страница 268: ...want to load In general each item that is picked out from the File selector is inserted as a separate item in the Gen window The exception is where the items selected form a video sequence as describ...

Страница 269: ...three colour components in three of the display segments together with the result of combining either a selection or all of the colour components in the fourth segment Adding a New Zoneplate Note Aft...

Страница 270: ...se data generated by the equation The OTR 1001 offers a choice of waveforms to apply a sine wave a square wave a triangle wave and a sawtooth wave 6 Use the Display section to specify i The colour com...

Страница 271: ...e to avoid the artefacts that can be introduced where these patterns are resized ii The Reset Timebase option included among the Zoneplate properties may be used when the zoneplate is played out to re...

Страница 272: ...o the Gen window is given below Adding a New Line Pattern Note After creating the line pattern you require it is a good idea to save this line pattern on disk as described in Section Q 3 Otherwise all...

Страница 273: ...he pattern on the Gen window changes to show the overall pattern that has been set up 6 To preserve the pattern you have created for future use either save it to your User area the default or elsewher...

Страница 274: ...he right click menu The Save pattern as option saves a copy in a chosen location on disk the Save pattern option either overwrites an existing file on disk or if the pattern is unsaved saves it in you...

Страница 275: ...This automatically clears the current set of patterns from the Gen window Q 5 Playing Out Test Patterns Preparation for Play Out Before a video clip or a test pattern such as a zoneplate can be played...

Страница 276: ...il on the screen and push the GENERAL knob Simply click on the corresponding thumbnail on the screen The selected pattern is then loaded into the generator s framestore from where it is played out ove...

Страница 277: ...to each output stream These modifiers are provided in the Video subsection of the Generator section of the Properties control The steps to use are therefore as follows Control Panel Mouse Keyboard To...

Страница 278: ...age will drop one line during panning since the image in effect wraps around from the right hand edge onto the start of the next line on the left hand edge Please also note that this feature only work...

Страница 279: ...OmniTek OTR 1001 User Guide v3 1 Q 13 Figure Q 10 Wide Screen Signalling options within the Gen window Properties Figure Q 11 Output Encoding options within the Gen window Properties...

Страница 280: ...Q 14 OmniTek OTR 1001 User Guide v3 1 Figure Q 12 Video Index options within the Gen window Properties...

Страница 281: ...automatically scaled from full range to SMPTE range on opening General Rules The general settings to be applied are recorded in the Image Files Open File Settings section of the Properties control Se...

Страница 282: ...ey 3 Modify the colourspace settings given for the pattern as required Figure Q 14 Colourspace settings used for an individual image Saved Images The OTR similarly allows you to define the encoding us...

Страница 283: ...OmniTek OTR 1001 User Guide v3 1 Q 17 Figure Q 15 Save File settings within the Gen window Properties...

Страница 284: ...equence until it is either changed or disabled by setting both groups to OFF The tones are sampled at 48 kHz with 20 or 24 bits per sample The waveform is user selectable out of a choice of sine squar...

Страница 285: ...re generated simultaneously so that they will have the same value at all times The required timecode packets are defined in the Generators Timecode section of the Properties control Figure Q 17 Timeco...

Страница 286: ...ard To add bit errors to the video bitstream that is played out 1 Call up the Properties control window 2 Fully open the SDI Output section of the Properties control for the output on which you want t...

Страница 287: ...erter is turned on the OTR 1001 changes the background to the display of the output video standard in the top right hand corner of the screen to red to draw attention to the reduced quality of the cur...

Страница 288: ...enerated test signal to both SDI OUT 1 and SDI OUT 2 When dual generation is selected Generator 1 outputs its test signal to SDI OUT 1 and Generator 2 outputs its test signal to SDI OUT 2 The same Out...

Страница 289: ...showing the marking used when the OTR is operating with two generators Enabling Dual Generation Operation With the GEN_2 option installed the Gen window Properties includes a Dual Generator option Fi...

Страница 290: ...ndividual video sequence is halved If the full framestore is needed to run the required sequence clear the tick to disable dual generation Configuring the Generators The generators both work with the...

Страница 291: ...layed out with the modifications set for Generator 1 see above and controlled either through the Button Bar of Transport controls when Generator 1 is selected or by clicking and dragging on the 1 prog...

Страница 292: ...Q 26 OmniTek OTR 1001 User Guide v3 1...

Страница 293: ...quire the GEN option to be installed R 1 Capturing Video Clips supported by the CAP_MOTION and CAP_ADV options The capture facility offered by the GEN and GEN_BASIC options see Section P 3 allows sing...

Страница 294: ...its Properties control for example by pressing the PROPS button 1 Call up the Properties control for the Gen window 2 Open the Capture section of the control 3 Set the Length entry to the number of fr...

Страница 295: ...ffered on the Gen window s main Button Bar Note This option is disabled if there is no signal on the selected input or if 3D analysis is enabled If the Button Bar is currently showing transport contro...

Страница 296: ...g the input from which the images were taken R 2 RVF Files Supported by the CAP_ADV and GEN_ADV options Where full frame data is captured from the video input this is stored on disk as an RVF file The...

Страница 297: ...cial steps that are required are described in Section R 4 Loading a Sequence Control Panel Mouse Keyboard To load a sequence that is held as a single file Take the Load pattern option from the File me...

Страница 298: ...Fred_09 Fred_11 Fred_12 the numbers do not increment contiguously file Fred_10 is missing so the sequence will not load Tmp_02 03_Tmp Tmp_04 Tmp_05 the position of the digits varies Playing out a Sequ...

Страница 299: ...ges Figure R 4 Gen window Button Bar Load 3D option When the sequence is played out the Left eye images will be output on SDI OUT 1 while the Right eye images are output on SDI OUT 2 The Load 3D optio...

Страница 300: ...Disk Saving any pattern to disk uses the steps described in Section Q 3 The special feature of saving either a 3D image or a 3D sequence is that the files containing Left eye images need to be distin...

Страница 301: ...riate software options are installed the OTR provides Full reference Picture Quality Analysis PQA of both live and stored SD HD or 3G video Either the standard Region of Interest facility described in...

Страница 302: ...easures In particular it offers an edge and luma corrected version of the PSNR referred to as CSNR Further details of the CSNR algorithm are given in the Video Quality Analysis Application Note which...

Страница 303: ...ided on the back panel of the OTR SDI Outputs The two similarly multi format SDI outputs 75 ohm BNCs with the video sources coming from the internal generators or as an active loop thru from the corre...

Страница 304: ...which looks at the difference between the two signals This mode may be used to determine the level of degradation suffered at different points in a transmission chain Another typical use for the Exter...

Страница 305: ...cated Quality Analysis system you just need to follow Steps 2 and 3 Step 1 Switch into PQA Mode OTRs that provide general waveform analysis first need to be switched into PQA Mode The steps to use are...

Страница 306: ...Manual Control Gain Offset Adjustment Delay Figure S 5 System Set Up for Internal Internal Comparisons Note Images and sequences may be held in any of the common PC file formats such as bmp jpg or ti...

Страница 307: ...on Manual Control Gain Offset Adjustment Delay Equipment Under Test Figure S 6 System Set Up for Internal External Comparisons The sequence used for the test is played out of both SDI output ports The...

Страница 308: ...t is the Input 2 signal then you need to swap over the two inputs You can readily tell if you need to swap by calling up the PQA Meters display described in Section S 4 if the Video Delay line of this...

Страница 309: ...es shown on the Measurement side of the PQA Toolbar together with the corresponding gain and offset values if the Auto apply gain offset compensation option is selected on the Video Config page of the...

Страница 310: ...evel on the Test signal is lower than that on the Reference signal less than 1 if the black level on the Test signal is higher Measurement Section Displays the measurements made by the In Service A V...

Страница 311: ...lay One way of assessing differences in picture quality is through simple visual inspection of Difference images created when the Reference and Test images are compared Figure S 9 Example Difference D...

Страница 312: ...ay or on a separate monitor attached to the OTR s Video Out port as described in Section A 2 Selection The Picture display used for Difference Images is a member of the PICTURE category The steps used...

Страница 313: ...e Keyboard click on the tile to display Properties Control Figure S 11 Picture Properties Button Bar Size The Size option offers a choice of having the picture size automatically Stretched scaled to f...

Страница 314: ...isplay of timecode data embedded in the video and define the text style and the position for their display The display of timecodes is described further in Section F 2 Closed Captions The Closed Capti...

Страница 315: ...marked to show the difference between acceptable values and values outside the limits specified on the Video Config page of the Config window while traffic lights to the left of each meter indicate w...

Страница 316: ...the part of the display remaining once the specified numbers of pixels lines have been removed Alternatively the Enable mask option can be left unticked and the required area selected as the Region o...

Страница 317: ...ommon to each graph and shows the number of frames being displayed The default is to display the most recent 500 frames with the most recent frame labelled as frame number 500 and located at the right...

Страница 318: ...the threshold for pass fail event based logging It is represented on the chart by a dotted line CPQ Weighting The CPQ Combined Picture Quality settings allow you to define the weightings to be used i...

Страница 319: ...This section lets you tick the parameters that you want to display and set the colours used for the associated graphs To set the colour select the colour block that is shown then pick the required co...

Страница 320: ...ton Bar toggles between these two options Pause Halts the normal update of the graph window It freezes the PQA readings then lets the display update as normal when it is clicked on a second time Whils...

Страница 321: ...isplay at the point the snapshot was taken The Source option either on the Button Bar or in the Properties control can be used to switch between this display and any previously saved snapshots and the...

Страница 322: ...des a Compare option that produces a set of graphs showing the differences between two saved sets of data An example is shown below Figure S 18 PQA Chart Comparison In this version of the display each...

Страница 323: ...d In Service Delay Measurement data see Section N 2 Figure S 19 Quality Analysis Status Summary Note The quality details shown in the Status display relate to differences between the two signals and s...

Страница 324: ...of the Config window together with your choice of whether exceeding these limits should be reported as an error or simply cause a warning to be given see Section T 2 for further details Error Level se...

Страница 325: ...TR running in PQA Mode without modification Moreover the results given will be the same as if the quality assessment had been carried out on a Classic PQA system You may however wish to modify the SNM...

Страница 326: ...OmniTek OTR 1001 User Guide v3 1a S 26...

Страница 327: ...ton on the control panel 1 Click on Config in the Windows toolbar 2 Use the Button Bar to select the required page of information Saving and Recalling Specific System Set ups The settings made on the...

Страница 328: ...The parameters are arranged in a hierarchy with each subsection defining the settings that are important in how a particular feature is handled Some of these settings are tick box selections that tur...

Страница 329: ...nob 4 Use HORIZ to move the focus back to the parameter name 5 Repeat the above steps to set other parameters 1 Scroll through the display opening or closing sections of the list as necessary until th...

Страница 330: ...4 to 940 960 and the Full range of 0 to 1023 LUT Selects the look up table applied to the waveform before display The Linear setting leaves the data unchanged the Logarithmic setting applies a standar...

Страница 331: ...ines whether an error is reported when the value is outside the specified range tick box checked or inside the specified range tick box clear The other two settings control whether the error is flagge...

Страница 332: ...against the Gold reference capture file Applies only to operation under remote control see Section S 7 The Drop Speed and Climb Speed applied in generating the PQA Charts It is normal to leave both c...

Страница 333: ...d rise and fall times expressed in ps Eye Rise Fall Overshoot expressed as a percentage of the Eye amplitude Timecode Settings Separate sections detailing for each supported timecode type VITC LTC ATC...

Страница 334: ...e Manual settings see below EN300294 WSS data ARDSPEC WSS data ARDSPEC Video Index RP186SP Video Index Active Format Descriptor AFD Manual X Aspect Ratio Manual Y Aspect Ratio These settings together...

Страница 335: ...th America and VU France Selecting a metering type automatically sets the other parameters to the standard values for this metering type You can then customise the meter by changing the values shown o...

Страница 336: ...witch it to affect a different type of audio 1 Call up the Audio Inputs page 2 Move the cursor to the audio input that you want to affect 3 Return to the Audio Config page This will now be set up to m...

Страница 337: ...f the peak value The Decay Duration sets the time also in milliseconds the PPM takes to fall by the percentage set as the Decay Rate Loudness This section principally sets the parameters that are appl...

Страница 338: ...or Signal Generator or running it in PQA Mode Note The range of options offered changes both on this page and on other pages of the Config window depending on which Application type is selected Simult...

Страница 339: ...g this option delays the clearance of accumulated status values following the loss of the signal being analysed SMPTE RP168 analog reference timing The basic analog digital timing relationship is defi...

Страница 340: ...e type of cable that is being used This option offers a choice of standard cable types 3D Settings where included Allow 3D Monitoring where included Tick option that enables and disables analysis of S...

Страница 341: ...valent disparity expressed in the currently selected units see above Note To make infinity the end point of a range either set the disparity to the interocular distance or where a mouse and keyboard a...

Страница 342: ...and either the number of days left for time limited licences or the word Permanent The list starts with details of the various optional features that are associated with the OTR s main card Where the...

Страница 343: ...ersions of the OTR with a front panel the HORIZ and VERT knobs can be used to navigate round those parts of the information shown that are under user control T 6 Audio Inputs Page Depending on the sof...

Страница 344: ...ing that was previously made for Dolby on the other input is automatically cancelled Control Panel Mouse Keyboard To both inspect and to modify the allocation currently associated with any audio servi...

Страница 345: ...ly allocate the stereo pairs you want to inspect in the order that you want them to appear in the PPMs display The rows in which selections are made will be automatically numbered 1 2 3 in line with t...

Страница 346: ...ocation of Stereo Pairs to the components of a Surround Sound display Dolby decode where installed Dolby data is delivered by a single channel pair so the display used to allocate channels for Dolby d...

Страница 347: ...equences from the incoming video see Section R In general these files are saved in a default location on your OTR referred to as your User area but you can pick a different location for Generator Patt...

Страница 348: ...on for you to use to identify specific file selections from among the items shown e g for export For Generator Patterns a entry is also added through which you can access other areas of the OTR s disk...

Страница 349: ...from the File option on the Button Bar The Config window Manage Disk option included on the Button Bar A Manage Disk option is also offered on the Button Bar associated with the dialogue that lists al...

Страница 350: ...r the path to the required folder in the slot for the Network folder in the right hand column of the dialogue The alternative Local disk option may be used to switch back to using the default location...

Страница 351: ...Control Panel Mouse Keyboard Route 1 Principally used to export all files 1 Display the Manage User Files dialogue as described in Section U 2 2 Scroll to the category of user file you want to export...

Страница 352: ...Click on the category of user file you want to export in the left hand side of the dialogue 3 The right hand side of the dialogue then shows a list of the files in the default location of the selecte...

Страница 353: ...GENERAL knob then press GENERAL 3 Select the entry at the top of the list in the right hand side of the dialogue and press GENERAL 1 Display the Manage User Files dialogue as described in Section U 2...

Страница 354: ...ry 1 Display the Manage User Files dialogue as described in Section U 2 2 Move the cursor to the category of file you will be importing If you would also like to scroll through the current list of ite...

Страница 355: ...there is more than one User file of the selected category the right hand side of the dialogue then shows a list of the files in the default location with ticks beside all the files and a tick beside...

Страница 356: ...right hand side of the display together with the option it includes can then be used to pick out images sequences etc to delete from your disk More detailed steps are given below Control Panel Mouse K...

Страница 357: ...rom one OTM or OTR to another The System Settings are stored as an OTX file Note The various image files that are associated with the Gen Presets and System Presets are not included in the OTX file th...

Страница 358: ...OmniTek OTR1001 User Guide v3 1 U 12...

Страница 359: ...ards where the OTR 1001 includes the GEN option and is added by installing options as follows VIDEO_DL adds support for HD Dual Link to both VIEW and GEN facilities VIDEO_3G adds support for 3Gb s for...

Страница 360: ...can if you want analyse the two links separately by configuring the system to ignore the embedded SMPTE code You should also check that the Force Dual Link option is clear The OTR 1001 will then view...

Страница 361: ...SD or HD video As with SD or HD video the required video standard is set through the Output Video Standard setting in the Gen window s Properties control call this up e g by taking the Video Standard...

Страница 362: ...TR 1001 will then treat the two dual link components as separate feeds Generating 3G Level B Dual Link Video The main difference between generating 3G Level B Dual Link video and generating SD video o...

Страница 363: ...SDI Input 1 and SDI Input 3 There is no other difference in the procedure Generating 3G Level B Dual Stream Video The generation of 3G Level B Dual Stream video requires dual test signal generators an...

Страница 364: ...OmniTek OTR 1001 User Guide v3 1 V 6...

Страница 365: ...hould include an ANCParser XMLDefs subdirectory and this subdirectory should include a range of xml files The format of ANC packets is defined by SMPTE 291 The format of the packet header is rigidly d...

Страница 366: ...ese statements obviously has to be correct there is no requirement on the ordering of information within any particular level or on the ordering of the attributes However adopting a logical order is r...

Страница 367: ...kets in the video against the xml files it finds in its ANCParser XMLDefs directory If there are duplicate definitions there is no guarantee that it will pick out the definition you want Various appro...

Страница 368: ...otocol Attributes Protocol Attributes xmlns http schema file required where schema file is the name of the xsd file assumed to be located within the ANCParser XMLDefs directory e g xmlns http ANCV3 Pr...

Страница 369: ...ribes the Packets decoded by this PacketType element This name is displayed at the start of the description of the packet e g PacketName HDTV audio Group 1 DescriptionLabel string where string defines...

Страница 370: ...n the DataView subject to the setting of the Label attribute The name used does not have to be unique e g FieldName CH 1 Audio Data BFWordOffset integer required where integer identifies the word with...

Страница 371: ...DisplayWidth integer This is used particularly where the data is laid out in a table to allocate a specific number of characters to the display of the bit field data e g DisplayWidth 6 SequencePositio...

Страница 372: ...nfusing if the same name is used for different bits within the same bit field e g BitName audio 10 WordOffset integer required where integer identifies the word that contains the bit by defining its p...

Страница 373: ...to be inspected from the start of the UDW block the start of the current repetition if the PacketType Repetative attribute has been set to true e g WordOffset 3 Mask string required where string is a...

Страница 374: ...le actions is to be selected The Case elements define the action to take in each case An example of a Switch element may be found in the RP 188ATCDef xml file There is no limit on the number of Switch...

Страница 375: ...hich the following BitField element s should be applied e g Target 0 Title string where string is an optional side heading that may be inserted before the data extracted by the following BitField elem...

Страница 376: ...where string defines the line of headings to go above the data suitably padded to fit with the columns of data set up by the BitField elements Each item of data is positioned to the left within the sp...

Страница 377: ...name data This is the most straightforward way of laying out the data It is achieved through using individual BitField statements each with Fieldname name Label true The following example of this lay...

Страница 378: ...the bit field data in a sequence of data displayed on the same line 2 3 etc SequenceSeperator to place a colon between the end of this item and the start of the next item The last BitField statement e...

Страница 379: ...OmniTek OTR 1001 User Guide v3 1 I 15 Example XML Statements Example Result...

Страница 380: ...with some data that isn t part of this table In that case you may well want to place the line of headings below this other data This can be achieved by using LabelOffset attribute of the PacketType s...

Страница 381: ...he required tests and to issue appropriate responses to any SNMP traps that are generated Note SNMP Service Configuration Issues The SNMP service on the OTR 1001 is provided by the Windows operating s...

Страница 382: ...ter to a string corresponding to the filepath and filename of the required image file e g D Data Snapshots s2 bmp Example 2 Checking the filepath and name of a pattern loaded in the Generator 1 Set th...

Страница 383: ...CommandInfo xml file Confirm by using the corresponding Get command 6 Set the statusParameterOptionType parameter to the appropriate integer value also listed in the SNMPCommandInfo xml file Confirm b...

Страница 384: ...ters either individually or all together To reset individual status parameters 1 Carry out the first six steps of the procedure given in Example 4 2 Set the statusParameterReset parameter To reset all...

Страница 385: ...LogSessionTRAP trap arrives with the given filepath and filename as the eventLogSessionStartedFilePath and a 2 as the eventLogSessionStartedState Status Parameter IDs and Related IDs To enable users t...

Страница 386: ...OmniTek OTR 1001 User Guide v3 1 II 6...

Страница 387: ...all A program is available zResolutionAdjust exe that allows you both to recover from a completely blank screen and to select a different screen resolution It first sets the display to a screen resolu...

Страница 388: ...Available Commands dialog to appear then take the Monitor Resolution Adjust option by pressing Enter on the keyboard 7 Use the Resolution setting in the Intel Graphics and Media Control Panel that is...

Страница 389: ...OmniTek OTR 1001 User Guide v3 1...

Страница 390: ...Intec Unit 2 3 Wade Road Basingstoke Hants RG22 8NE UK Tel 44 0 1256 345900 Fax 44 0 1256 345901 Email support omnitek tv Web www omnitek tv...

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