Crystal Vision TANDEM HD-21 User Manual Download

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Crystal Vision Ltd., Lion Technology Park, Station Road East, Whittlesford, Cambridge, CB22 4WL, England.

E-mail: [email protected] Website: www.crystalvision.tv Tel: +44(0) 1223 497049 Fax: +44(0) 1223 497059

TANDEM HD-21

HD/SD audio embedder/de-embedder

Summary of Contents for TANDEM HD-21

Page 1: ...on Technology Park Station Road East Whittlesford Cambridge CB22 4WL England E mail sales crystalvision tv Website www crystalvision tv Tel 44 0 1223 497049 Fax 44 0 1223 497059 TANDEM HD 21 HD SD audio embedder de embedder ...

Page 2: ... 2 4 General Purpose Interface GPI 13 3 Card edge operation 17 3 1 Card edge controls 17 3 2 Card edge buttons 17 3 3 Card edge rotary control 17 3 4 Reading card edge LEDs 18 3 5 Navigating card edge menus 18 3 6 Card edge configuration 19 Menu Tree 19 Card edge status 20 Audio menu 21 Preset menu 23 Alarm menu 23 Miscellaneous menu Factory Reset 25 4 Using the front control panel 27 4 1 Module s...

Page 3: ...hooting 49 Card edge monitoring 49 Fault finding guide 49 7 Specification 51 Revision 1 Link position table corrected page 5 Correction to table on page 11 Presets table renumbered page 13 21 11 07 Revision 2 Notes on pages 22 31 and 41 concerning output sub PCBs amended 04 02 08 Revision 3 Correction to Output sub PCBs table on page 11 20 02 08 Revision 4 RM39 AES input connections on page 12 ame...

Page 4: ...e from the card edge active control panels or by serial control from Statesman a dedicated software application The main features are as follows HD SD capable De embeds and re embeds two audio groups Extensive Dolby E handling Built in multi channel digital audio delay Independent audio gain controls HANC blanking option Audio source preview monitoring EDH insertion Audio replacement Channel swapp...

Page 5: ...sub PCBs The rear position 1 is associated with inputs 9 12 and outputs 1 4 The front position 2 with inputs 13 16 and outputs 5 8 An 18 Volt regulator option card is also required when using analogue input or output cards The available option cards are HD DIP2 2 x AES EBU Dolby E inputs for synchronous 48kHz audio 75 ohm 110 ohm HiZ HD DIP2 RS 2 x AES EBU inputs with re sampler for asynchronous a...

Page 6: ... Rear sub PCB TANDEM HD 21 Link configuration and LEDs There are five jumper links and three surface mounted LEDs on the TANDEM HD 21 motherboard The surface mounted LEDs are not visible from the front of the frame and are included for diagnostic purposes only Note Boards issue 5 and above PL3 4 5 are renumbered PL 8 9 10 These links are to be left in position 2 3 upper position and have no user c...

Page 7: ...able jumper links are provided to change input and reference terminations and pre set levels depending on sub module features HD AIP2 The analogue audio input module provides two stereo pairs or four mono signals that may be used as a source in subsequent embedding Link jumpers are provided to allow 0dBFS to be set to 18dBu rearwards towards J1 or 24dBu forwards towards J2 3 The variable adjustmen...

Page 8: ...ormally be left in its upper position so giving the second AES2 output JL3 and JL4 have no function HD DOP2 75 This digital audio output module provides two 75 ohm AES stereo pairs or four mono outputs that may be used as destinations when routing de embedded signals HD DOP2 75 TANDEM HD 21 does not support an external reference JL2 will normally be left in its upper position so giving the second ...

Page 9: ...input is either asynchronous or at a sample rate other than 48kHz HD DIP2 RS The sample rate inputs can work with signals from less than 30kHz to 108kHz It is particularly useful for asynchronous 48kHz inputs and other sample rate inputs such as 44 1kHz and 96kHz The signal output from the HD DIP2 RS to the TANDEM HD 21 is at 48kHz derived from the video content of the SDI signal into which it is ...

Page 10: ...ndigo 4 4U frame will house up to 24 single height modules with up to three power supplies The Indigo 2 2U frame will house up to 12 single height modules and dual power supplies The Indigo 1 1U frame will house six single height modules and a single dual power supply The Indigo desk top box has a built in power supply and will house up to two single height modules Note For details of fitting rear...

Page 11: ...ES2 Input 11 12 Rear 3 4 AES2 6 2L AES2 AES2 7 Input 12 Rear 4 2R AES2scrn AES2scrn 8 2R NC NC 18 GND GND GND 9 Input 13 Front 1 3L Input 13 14 Front 1 2 AES3 Input 13 14 Front 1 2 AES3 14 3L AES3 AES3 15 Input 14 Front 2 3R AES1scrn AES3scrn 10 3R NC NC 11 Input 15 Front 3 4L Input 15 16 Front 3 4 AES4 Input 15 16 Front 3 4 AES4 16 4L AES4 AES4 17 Input 16 Front 4 4R AES4scrn AES4scrn 12 4R NC NC...

Page 12: ...ES2a GND 7 Output 4 Rear 4 2R Output 3 4 duplicate AES2b Output 3 4 duplicate AES2b 8 2R AES2b GND 18 GND GND GND 9 Output 5 Front 1 3L Output 5 6 Front 1 AES3a Output 5 6 Front 1 AES3a 14 3L AES3a GND 15 Output 6 Front 2 3R Output 5 6 duplicate AES3b Output 5 6 duplicate AES3b 10 3R AES3b GND 11 Output 7 Front 3 4L Output 7 8 Front 3 AES4a Output 7 8 Front 3 AES4a 16 4L AES4a GND 17 Output 8 Fron...

Page 13: ... AES1 output 1 2 Rear 1 2 HD SD OUT HD SD Serial digital output HD SD Serial digital output HD SD OUT HD SD Serial digital output HD SD Serial digital output AES2A IN OUT AES3 input 13 14 Front 5 6 AES3 output 5 6 Front 5 6 nc no user connection no user connection HD SDI IN HD SD Serial digital input HD SD Serial digital input AES1A OUT no user connection AES1 output 1 2 duplicate AES1B IN OUT AES...

Page 14: ...rm 5 f Output channel silence delayed alarm Selected Alarms asserted after set delay No alarm As supplied each GPI output has a 270Ω resistor in series with its output This allows for an external LED to be driven connected to a DC voltage of 5V Each General Purpose Input GPI is fitted with a 6800Ω resistor connected to the internal 5V The 16 user preset configurations can be recalled using binary ...

Page 15: ...7 26 7 19 8 20 8 4 7 7 16 7 17 7 25 7 10 8 11 8 5 5 5 6 5 15 5 24 5 1 6 2 6 6 4 5 14 5 13 5 23 5 3 6 4 6 7 5 7 6 7 15 7 24 7 1 8 2 8 8 4 7 14 7 13 7 23 7 3 8 4 8 9 3 5 12 5 22 5 21 5 12 6 13 6 10 10 5 11 5 19 5 20 5 21 6 22 6 11 3 7 12 7 22 7 21 7 12 8 13 8 12 10 7 11 7 19 7 20 7 21 8 22 8 Table shows pin number remote number Note Remote 1 Remote 3 Remote 5 and Remote 7 are 26 way high density D T...

Page 16: ...male plugs and frame ground is pin 6 in each case and 5V 500mA is pin 15 on Remote 2 The 5V output is protected by self resetting thermal fuses which limit the total output current available from Remotes 1 4 to approximately 1A 1U frame GPI connections GPI lines a to f of each card connect to the two rear remote connectors as follows Slot no a pin b pin c pin d pin e pin f pin 1 8 1 9 1 18 1 26 1 ...

Page 17: ... 1 17 1 25 1 10 2 11 2 Table shows pin number remote number Note Remote 1 26 way high density D Type female socket Frame ground is pin 2 and 5V 500mA is pin 1 Remote 2 26 way high density D Type male plugs and frame ground is pin 6 and 5V 500mA is pin 15 The 5V output is protected by self resetting thermal fuses which limit the total output current available from Remotes 1 2 to approximately 1Amp ...

Page 18: ...lect Action Push to select a menu and to action and confirm a change 3 3 Card edge rotary control The board edge rotary encoder is used to navigate through the menu categories and adjust parameter values Control Function SCROLL ADJUST Rotate SCROLL to identify a menu category In combination with the ENTER button select and ADJUST to change the current level or select a further option Note The rota...

Page 19: ...Flagged video missing GPI5 nCal Green One or more audio channel gains have been adjusted away from unity All gains set to unity 3 5 Navigating card edge menus To access the card edge menu system proceed as follows Press the up arrow until a top menu category is reached Rotate the SCROLL control until the desired menu category is found Push ENTER to enter the sub menus of that category Rotate SCROL...

Page 20: ...n 3 6 Card edge configuration Menu Tree Tip To reach the top menu push the button repeatedly until a top menu is reached Rotate the SCROLL control anti clockwise until the STATUS menu appears TANDEM HD 21 User Manual R1 6 19 12 11 2012 ...

Page 21: ...s Channel status of any fitted sub PCB 1234 channels active s channel silent Na not fitted Embedder channel status Channel status of the output embedder C and embedder C 1234 channels active s channel silent Timing reference status Four word composite timing reference signal is present and correct Ok Err Ancillary data presence Ancillary data present or not within the video blanking intervals Pres...

Page 22: ...D can be selected from any of the eight de embedded channels plus four or eight audio inputs depending on fitted sub PCBs Delay Mute and Mono can also be selected See table below for further details Note The delay time globally affects all channels selected for delay Embedder channel gain controls The gain of the four channels of embedder C and D can be independently varied by 3 0dB ADJUST to incr...

Page 23: ...o a mono output is simply a summing process followed by a gain correction The gain correction is necessary because when the two components of a stereo signal are summed a 6dB increase in output level will result this will then need to be corrected to maintain unity gain The action of selecting will cause that channel to output the mono sum of itself and its associated channel The associated channe...

Page 24: ...I control of presets Rotate SCROLL to select Enable Selecting Enable allows the recall of previously saved user configurations via GPI inputs 0 3 Alarm menu The alarm menu allows the user to customise the alarm reporting from the TANDEM HD 21 to suit their individual needs TANDEM HD 21 has two alarm outputs GPO5 and GPO6 These GPI outputs in their non alarm condition are held to the internal 5V vi...

Page 25: ...e selected channel Rotate ADJUST to flag or mask reporting Press ENTER to action command Msk disable FlG enable Embedder D silence detect Rotate SCROLL to find the channel silence alarm to be configured Press ENTER to access the selected channel Rotate ADJUST to flag or mask reporting Press ENTER to action command Msk disable FlG enable Silence Delay The delay before a silence alarm is reported ca...

Page 26: ...o select 1 frame Press ENTER to assert Factory Reset Press ENTER to access factory reset menu SCROLL to select yes Y Press ENTER to assert Factory default values are listed in the following table Parameter Default value De embedder A Group 1 De embedder B Group 2 Embedder C Group 1 Embedder D Group 2 HANC blank Set to Auto Video frame delay Not enabled No or Output Sub PCBs fitted Statesman repres...

Page 27: ... fitted in both front and rear positions Statesman representation Delay Mono Mute Unchecked Audio Delay Zero Audio Gains Unity Selected Preset Unchanged contents of all saved presets are erased GPI controls preset recall Unchanged Headphone monitoring C1 and C2 GPO5 and GPO6 Unchecked Silence Alarm delay Zero delay TANDEM HD 21 User Manual R1 6 26 12 11 2012 ...

Page 28: ...first time At power up the two line 20 character screen will display Crystal Vision followed by the firmware version number for the control panel All eight control panel keys LEDs will illuminate The Crystal Vision control panel start up display Control Panel then briefly replaces the version number display If the control panel firmware has been updated for Statesman control version 1 5 0 or highe...

Page 29: ...me menu from the Device menu F1 to F4 soft keys function assigned within each menu HOME moves the display to the Home menu ENTER accept current selection Upward arrow used to move up the menu structure enter Lock Panel menu from the Device menu Rotary control shaft encoder used to select options or variable data Note Please refer to the Crystal Vision Control Panel manual for details of the Panel ...

Page 30: ...y pressing the F1 F4 keys from the Home menu Menu keys are illuminated when active and when further menus are available The top level menus are Status Press F1 Input Std Input Output groups present Audio channels present TRS status sub PCBs fitted and board serial number Audio controls Press F2 De embedder Embedder config Audio channel routing Audio output gains Headphone monitoring router Preset ...

Page 31: ...Crystal Vision Using the front control panel TANDEM HD 21 User Manual R1 6 30 12 11 2012 ...

Page 32: ...er A and de embedder B 1234 channels active s channel silent Embedder channel status Channel status of the output embedder C and embedder C 1234 channels active s channel silent Sub PCB channel status Channel statuses of any fitted sub PCB 1234 channels active s channel silent Na not fitted Timing reference status Four word Composite timing reference signal is present and correct Ok Err Front sub ...

Page 33: ...up to de embed from the incoming video press F1 and rotate SCROLL 1 2 3 4 or none denotes a current selected group HANC blanking control Setting the HANC control to ON will cause automatic blanking of the HANC space before embedding Note Embedders C and D cannot be made to embed to the same output group Audio Routing At the heart of TANDEM HD 21 is the sixteen input eight output routing matrix Thi...

Page 34: ... video and audio signals The delay is applied at the output of the 16x8 router and is a single global control 0 64ms Stereo to Mono conversion For the purposes of this discussion it is assumed that all inputs are stereo pairs and that each half of the stereo pair is on a consecutive input i e input 1 and input 2 are a stereo pair input 3 and input 4 are a stereo pair etc The action of converting a...

Page 35: ...amme Output Channel gain adjustment The eight audio channels from the router can have their gains varied by 18db from unity gain This allows the user a certain amount of adjustment to compensate for variations between channels Menu Comment Output channel gains Press F3 to enter the Gain menu SCROLL to select output channel gain Press F1 to select and SCROLL to adjust Outputs 1 8 TANDEM HD 21 User ...

Page 36: ...ecalled either from the board control active front panel Statesman or through the use of external GPIs Presets store board setup data including operating mode and option card status If at any time a sub PCB is changed for a different type i e from an input type to output type any previously saved preset configurations will become invalid The presets are numbered 1 16 Note Care should be taken when...

Page 37: ...ll then allow the user to configure the alarm reporting by either flagging or masking individual alarms Access to the Video frame delay and factory reset is also found here Menu Comment Misc menu From the Home menu press F4 to access the Misc menu Press F1 to select the GPO5 video alarms menu GPO5 video alarm Press F1 to activate SCROLL to enable or disable and press ENTER to accept Menu Comment M...

Page 38: ...tion It should be noted that if a factory reset is carried out the final routing will depend on any sub PCBs fitted and all preset configurations will be erased Menu Comment Misc menu From the home menu press F4 to access the Misc menu Press F4 to select the factory reset menu Factory Reset Press F3 to reset The display will acknowledge that factory reset has been completed Factory default values ...

Page 39: ...n the front position Statesman representation Input Sub PCBs fitted in both front and rear positions Statesman representation Delay Mono Mute Unchecked Audio Delay Zero Audio Gains Unity Selected Preset Unchanged contents of all saved presets are erased GPI controls preset recall Unchanged Headphone monitoring C1 and C2 GPO5 and GPO6 Unchecked Silence Alarm delay Zero delay TANDEM HD 21 User Manua...

Page 40: ...h an active front panel A frame or frame pair must have an active panel fitted to allow for Statesman control For details on installing Statesman on your PC refer to the Statesman installation manual 5 1 Statesman operation The initial view will show an Explorer style view of the connected frames and modules Double click on a module to display the main application control panes Initially two views...

Page 41: ... Statesman Status menu Audio Groups In This pane will show which of the four available audio groups are present in the incoming serial video It also indicates if any of the incoming audio has been marked for deletion or if any non audio data is present Input Sub PCB Audio Status If audio silence is detected on any of the sub PCB channels for a length of time greater than that set by the Audio dela...

Page 42: ...selected Selection is by checking the appropriate radio button This pane also shows which of the four available audio groups are present in the incoming serial video It also indicates if any of the incoming audio has been marked for deletion or if any non audio data is present Audio Group Out This pane is used to select which two of the four available audio groups you wish the C and D embedders to...

Page 43: ... the sub PCB nearest to the board edge controls and extraction handle The rear sub PCB is nearer the board connector Routing Selection An input to output routing selection is applied by clicking on the crosspoint squares in the matrix Any selections made will turn dark red Invalid selections will be rejected and returned to the last valid selection Once a routing selection is finished it will requ...

Page 44: ... will result in channel 1 outputting the converted mono sum of channels 1 and 2 Channel 2 will continue to output the original channel 2 programme Similarly un ticking channel 1 and ticking channel 2 will cause channel 2 to output the converted mono programme and channel 1 the original channel 1 programme Editing router input and output names Each of the input and output names may be edited for bo...

Page 45: ... directly by clicking on to enter edit mode and pressing Enter to accept To recalibrate a channel to exactly unity gain click on the CAL button beneath the appropriate slider or right click the slider and choose calibrate To gang gain slider controls together in order to move them as one right click on the slider chosen as the master with the CTRL key held down and then whilst continuing to hold t...

Page 46: ... established when the preset was created The presets are numbered 1 16 To store a preset proceed as follows Ensure GPI controls preset recall is unchecked Select appropriate preset by checking the Preset Number radio button Click on Store to save setup data into the selected preset To recall a preset proceed as follows Select appropriate preset by checking the Preset Number radio button Click on R...

Page 47: ...NDEM HD 21 Statesman Alarm menu Using GPI outputs There are two GPI outputs GPO5 for video missing and GPO6 which may be assigned to the eight output silence alarms If silence is sustained for more than the silence detect delay the assigned GPO will be asserted low as an alarm when flag is selected Visual indication of status for GPO5 and GPO6 is also provided See Section 2 4 for further discussio...

Page 48: ... video path useful for matching Dolby E audio delays Factory Reset The factory reset can be used to return the TANDEM HD 21 to it default condition It should be noted that if a factory reset is carried out the final routing will depend on any sub PCBs fitted and all preset configurations will be erased Factory default values are listed in the following table Parameter Default value De embedder A G...

Page 49: ...ed in both front and rear positions Delay Mono Mute Unchecked Audio Delay Zero Audio Gains Unity Selected Preset Unchanged contents of all saved presets are erased GPI controls preset recall Unchanged Headphone monitoring C1 and C2 GPO5 and GPO6 Unchecked Silence Alarm delay Zero delay TANDEM HD 21 User Manual R1 6 48 12 11 2012 ...

Page 50: ...el contains silence GPI6 All channels active or masked PSU Green Good power supply PSU rails One or more of the monitor supplies is out of specification Error Red Flagged video missing GPI5 nCal Green One or more audio channel gains have been adjusted away from unity All gains set to unity The board edge display may also give some useful information when trouble shooting Fault finding guide The Po...

Page 51: ...k that the card is seated correctly and that the Power OK LED is lit Check that the Comms LED in an Indigo frame flashes when Statesman communication control is attempted Check any active control panel Statesman cabling Check if the control panel Statesman can control another card in the same rack If necessary re set the card Statesman settings change unexpectedly Active control panel or card edge...

Page 52: ...D 270Mb s 250 metres Standard selection 625 525 720p 50 59 94 1080i 50 59 94 1080 23 98PsF 24PsF Automatic selection output always follows input standard Input return loss 15dB for 5MHz to 1 5GHz Audio inputs SD embedded to SMPTE 272M HD embedded to SMPTE 299M 48 Analogue or AES dependent on sub modules fitted Outputs Video Two HD or SD SDI 270Mb s to 1 485Gb s serial digital compliant to SMPTE 25...

Page 53: ...ble for the time a signal is allowed to remain below 84dB with respect to Full Scale before a silence error is flagged Variable steps from 4 seconds plus 0 128 seconds Dolby E Dolby E signals can be processed and routed without corruption Audio protection Full support for data recovery using SMPTE 299M error correction codes Set ups Sixteen set ups are available to store setup data They may be rec...

Page 54: ...kHz 90 dB 20 kHz rms typ HD DIP2 Dual digital audio input sub module Audio input 2 x 24 bit stereo pairs AES3 110 ohm or HiZ balanced D Type or AES3 id unbalanced 75 ohm BNC Set by on board links Synchronisation Synchronous audio to video 48kHz HD DIP2 RS Dual digital audio input re sampler sub module Audio input 2 x 24 bit stereo pairs AES3 110 ohm or HiZ balanced D Type or AES3 id unbalanced 75 ...

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