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Chapter 3

Operation

ARIB TR-B32 Loudness Mode

The display in EBU R 128 loudness mode shows selections that follow EBU recommendation
R 128.

Figure 3-7

Display in EBU R 128 Loudness Mode

Table 3-6

EBU R 128 Display Information Descriptions

Key

Description

Maximum true peak (in dBTP)

Channel (Left, Right, Center, Left Surround, Right Surround)
where maximum true peak was detected

Programme loudness (in LKFS or LU)

Integrated loudness (in LKFS or LU)

Momentary loudness (represented as 0 to -70 LKFS)

Loudness range (in LU)

Содержание Videotek LLM-1770

Страница 1: ...Delivering the Moment Videotek LLM 1770 LLM 1770 D Loudness Logger and Monitor Revision D Part Number P061 0010 Installation and Operation Manual...

Страница 2: ...future This publication does not in any way warrant description accuracy or guarantee the use for the product to which it refers Imagine Communications reserves the right without notice to make such c...

Страница 3: ...Symbols 5 Certification Labels and Symbol Locations 5 Directives and Compliances 6 Restriction on Hazardous Substances RoHS Directive 6 Waste from Electrical and Electronic Equipment WEEE Directive 6...

Страница 4: ...al Purpose Interface GPI Alarms 33 Accessing and Navigating the Setup Menu 34 Chapter 4 Setup Menu Functions 35 Setup Menus and Alarm Tables 36 Meter Mapping Setup Menu 37 Menu Selections 37 Menu Sele...

Страница 5: ...Menu Selection Descriptions 59 Dolby Alarms Setup Menu 60 Menu Selections 60 Menu Selection Descriptions 60 Time Code Alarms Setup Menu 60 Menu Selections 60 Menu Selection Descriptions 61 GPI Alarms...

Страница 6: ...Summary File Contents 84 Appendix C Glossary 85 Appendix D Open Source Software Copyright Information 97 FreeType License 97 LibJPEG License 97 CMU UCD Copyright Notice 97 Networks Associates Technolo...

Страница 7: ...ineers technicians and operators responsible for the installation setup and or operation of the LLM 1770 loudness logger and monitor Finding Specific Information Table P 1 shows the location of specif...

Страница 8: ...ions Pinouts Page 79 Setup menus Page 35 Specifications Page 73 Troubleshooting Page 71 User accounts Page 66 Table P 1 Finding Specific Information in this Guide Continued If you are looking for Go t...

Страница 9: ...Contact your dealer if any item on the packing list is missing 4 Contact the carrier if any item is damaged 5 Remove all packaging material from the product and its associated components before you in...

Страница 10: ...lashing and no objects filled with liquids such as vases shall be placed on the unit When the unit is to be permanently cabled connect the protective ground conductor before making any other connectio...

Страница 11: ...certain conditions or practices Table P 4 Safety Terms and Symbols Appearing in the Product Manual Symbol Description WARNING Identifies conditions or practices that can result in personal injury or...

Страница 12: ...he legislation Equipment that complies with the EU directive will be marked with a RoHS compliant symbol as shown in Figure P 2 Figure P 2 RoHS Compliance Symbol Waste from Electrical and Electronic E...

Страница 13: ...LLM 1770 Installation and Operation Manual 7 Figure P 3 WEEE Compliance Symbol...

Страница 14: ...About This Manual 8...

Страница 15: ...alarm capabilities including peak audio reporting Real time signal alarms have user adjustable limits Remote interfaces include 10 100Base T Ethernet and plug and play USB port supporting export of lo...

Страница 16: ...annel Linearly Represented Digital Audio Data ARIB TR B32 Operational Guidelines for Loudness of Digital Television Programs ATSC A 85 Techniques for Establishing and Maintaining Audio Loudness for Di...

Страница 17: ...el Back Panel Figure 1 1 LLM 1770 Front and Back Panels Safety See the Operator s Safety Summary on page 4 for a list of important safety instructions Carefully observe all safety alert symbols for da...

Страница 18: ...Attach a tag to the unit with the following information Your company name address and telephone number The name of the contact person at your company The RA number The unit serial number An explanatio...

Страница 19: ...ervice Department see LLM 1770 Service and Support on page 12 Refer to the enclosed packing sheet for the latest list of items that are supplied with the unit The box contains the following One LLM 17...

Страница 20: ...lists the parts required to rack mount the LLM 1770 into the DRT 4A rack mount case Figure 2 1 Mounting the LLM 1770 in a Rack Using the DRT 4A Although only one LLM 1770 unit is shown in Figure 2 1 t...

Страница 21: ...sing 4 4 40 flat head screws ITEM 7 secure blank panel assembly into DRT 4A rack tray 3 Install the assembled unit in a rack using four 10 32 Phillips head screws and washers ITEM 4 through the chassi...

Страница 22: ...nnectors Table 2 2 Description of Back Panel Connectors Key Label Description 1 PWR 11 17VDC Power connector1 1 See Pinouts on page 79 for the connections 2 ETHERNET RJ45 female 10 100Base T Ethernet...

Страница 23: ...esses in the spaces provided below The gateway address is not needed unless the LLM 1770 is routed to an outside network LLM 1770 interface static IP address LLM 1770 interface subnet mask Gateway IP...

Страница 24: ...ght arrow to scroll to the next selection Use the Up Down arrows to change the selection f Once enabled the obtained DHCP address can be viewed through IP IP Address g If using DHCP Press the Left Rig...

Страница 25: ...tegrated loudness value Integration times are mode dependent Target Loudness LKFS LUFS The ideal loudness value Controlling the LLM 1770 Pressing and holding certain buttons will activate menus for ad...

Страница 26: ...scription 1 VOL Volume selection button press and release to enable adjustment of headphone audio volume 2 Display window 3 SETUP Setup button press and release to access Setup mode Press and release...

Страница 27: ...n explanation of how to operate the navigation items 18 PRG2 Program 2 selection button press and release to display data collected from the Aux pair loudness channel analysis Press and hold to access...

Страница 28: ...button appears greyed Multiple buttons may be high tally at the same time The last control selected is the active control Table 3 2 LLM 1770 Web Based Panel Controls Key Label Description 1 Display w...

Страница 29: ...tton press and release to leave menu function selections 14 Navigation Use to navigate menus and select selection options see page 35 for an explanation of how to operate the navigation items 15 PRG2...

Страница 30: ...panel Press and hold the Lock button To start collecting loudness samples Press the Run button To stop collecting loudness samples Press the Run button a second time When paused the Run button LED is...

Страница 31: ...coded audio An X mark indicates embedded audio channel is not present AES Presence Graphical depiction of which AES audio channels are present P indicates the presence of PCM audio D indicates the pre...

Страница 32: ...dness as entered through the menu system Figure 3 4 Bars Display To access the Meter Mapping setup menu Press and hold the BARS button or press the SETUP button and then use the navigation buttons to...

Страница 33: ...trations of the displays for Loudness mode are shown in Figure 3 5 Figure 3 6 and Figure 3 8 To access the loudness display Press and release the LOUD function button To access the Loudness Display se...

Страница 34: ...Maximum true peak in dBTP 2 Channel Left Right Center Left Surround Right Surround where maximum true peak was detected 3 Program loudness in LKFS or LU 4 Integrated loudness in LKFS or LU 5 Momentar...

Страница 35: ...6 Display in EBU R 128 Loudness Mode Table 3 5 EBU R 128 Display Information Descriptions Key Description 1 Maximum true peak in dBTP 2 Channel Left Right Center Left Surround Right Surround where ma...

Страница 36: ...in EBU R 128 Loudness Mode Table 3 6 EBU R 128 Display Information Descriptions Key Description 1 Maximum true peak in dBTP 2 Channel Left Right Center Left Surround Right Surround where maximum true...

Страница 37: ...rmation Descriptions Key Description 1 Maximum true peak in dBTP 2 Channel Left Right Center Left Surround Right Surround where maximum true peak was detected 3 Program loudness in LKFS or LU If the a...

Страница 38: ...the ALRM function button To access the Alarm Setup menu Press and hold the ALRM function button To clear the display Press the CLR button to clear the display To clear the alarm counts Press the CLR...

Страница 39: ...he Dolby Alarms menu selections To show the available Dolby Alarm menu selections Press the ENT navigation button For more information on the global Dolby Alarms Setup menu see page 60 Time Code Alarm...

Страница 40: ...mber 5 Number of submenus under main menu item 6 Submenu name 7 Left Right directional marker controlled by the Left Right navigation buttons To directly access specific function setup menus Press and...

Страница 41: ...UP DOWN LEFT RIGHT ENT and EXIT buttons The available button selection will be indicated by a high talley navigation button Table 4 1 Setup Button Functions Button Function Press to exit the Setup men...

Страница 42: ...re listed in Table 4 2 with their corresponding Table and Description location pages Table 4 2 Setup Menu Tables Selection Page Meter Mapping Page 37 Loudness Mapping Page 38 Loudness Display Page 40...

Страница 43: ...eter Mapping Setup Menu Selection Option Selection Option Meter 1 Embedded 1 161 AES 1 8 Dolby 1 10 Mute Meter 2 Embedded 1 161 AES 1 8 Dolby 1 10 Mute Meter 3 Embedded 1 161 AES 1 8 Dolby 1 10 Mute M...

Страница 44: ...e 4 4 Loudness Mapping Setup Menu Selection Option Selection Option Selection Option Program 1 Left Disabled Meter 1 Meter 8 Right Disabled Meter 1 Meter 8 Center Disabled Meter 1 Meter 8 Left Surroun...

Страница 45: ...isabled or mapped to audio meter selection 1 to 8 Left Surround This selection enables the selection of the Left Surround loudness channel The selection may be disabled or mapped to audio meter select...

Страница 46: ...A 85 Displays1 Program Loudness Max True Peak Dialnorm ATSC A 85 Setup1 Program Use Relative Gating On Off Relative Gating Value 10 to 6 Rel 10 Rel Loudness Integration 1 Second to 60 Seconds 10 Secon...

Страница 47: ...70 LKFS Fixed Arib TR B32 Displays1 Program Short Term Max True Peak Range Arib TR B32 Setup1 Program Relative Gating Active Relative Gating Value 10 Fixed Short term Integration 3 seconds Fixed Max h...

Страница 48: ...elections are Program Loudness Integration Time Maximum True Peak and Range ATSC A 85 Setup This selection allows the user to set up ATSC A 85 display information as chosen in the ATSC A 85 Display pa...

Страница 49: ...lute gating Absolute gating settings range from 70 LKFS to 50 LKFS The default setting is 70 LKFS Dolby VANC SDID This selection is used to select the SDID 1 9 associated with the Dolby VANC Metadata...

Страница 50: ...ness This selection is used to set the target value for the desired loudness level The Level selection is fixed at 24 LUFS The High Level Above target selection sets the range of allowable values abov...

Страница 51: ...ow Level Below target selection sets the range of allowable values below the target value for the desired loudness level Selections range from 0 LU to 10 LU The default setting is 1 LU Absolute Gating...

Страница 52: ...tions of Pgm 1 default to 8 Lt Rt Default Lo Ro Mono and Mute Downmix DRC Mode This selection chooses between Line default and RF Dolby D DRC Mode This selection is used to select between Line RF Cust...

Страница 53: ...of 10 channels from the Dolby decoder for output to the left headphone Mapping of the channels for output monitoring is independent from the mapping of input channels to meter bars Right Source This s...

Страница 54: ...is selection is used to clear an alarm status Loudness Data This selection is used to clear the calculated loudness data Unit Configuration Setup Menu Menu Selections Table 4 9 Unit Configuration Setu...

Страница 55: ...d program 2 Input 3 This selection enables the use of GPIO input 3 Selections include No action a user set GPIO alarm or Select Bars Display Input 4 This selection enables the use of GPIO input 4 Sele...

Страница 56: ...dministrator to determine a static IP address that will avoid conflicts Subnet Mask The Subnet Mask is used to configure the Subnet Mask on a network if DHCP is not enabled If DHCP is not used to auto...

Страница 57: ...ss the USB Utilities Export Files menu Figure 4 1 Export Files Menu If a USB device is not connected to the system the display will indicate USB Device Not Found for a period of three seconds Figure 4...

Страница 58: ...er the update has completed a flash update log file can be retrieved through the web interface h Verify that the firmware revision level retrieved from the About menu matches the downloaded firmware r...

Страница 59: ...e retrieved through the web interface j Verify that the firmware revision retrieved from the About menu matches the downloaded firmware revision Installing the SDI Option a Remove the USB memory stick...

Страница 60: ...t Menu selection display 1 Press Setup and then press the Up or Down navigation button until About is displayed 2 Press ENT Figure 4 7 Setup About Display To navigate the About menu selection informat...

Страница 61: ...LLM 1770 Installation and Operation Manual 55 To exit the About display screen Press the Setup or the Exit navigation button...

Страница 62: ...Chapter 4 Setup Menu Functions 56...

Страница 63: ...arm Setup menu items along with their corresponding Table and Description page locations are listed in Table 5 1 An asterisk is shown next to the default menu selections Table 5 1 Alarms Setup Menu Se...

Страница 64: ...or custom Parameters are retained separately for each mode Menu Selection Descriptions Peak Audio The Peak Audio alarm occurs when the peak audio level exceeds the adjustable limit for a period in exc...

Страница 65: ...ve The High Level Above target alarm occurs when the integrated loudness level is higher than the target value plus the range above the desired loudness level for a period in excess of the duration se...

Страница 66: ...D value Dialnorm The Dialnorm alarm occurs when the Dolby E VANC metadata dialnorm value for the enabled program falls outside selected minimum and maximum values for the duration If the Dialnorm Sour...

Страница 67: ...Menu Menu Selections Table 5 6 GPI Alarms Setup Menu Selection Option Selection Option GPI 1 Alarm Enable Disable GPI 2 Alarm Enable Disable GPI 3 Alarm Enable Disable GPI 4 Alarm Enable Disable Menu...

Страница 68: ...Chapter 5 Alarm Descriptions 62...

Страница 69: ...ssword These are set at the factory but can be changed by the user via the Accounts web page Keep in mind though that once the user ID and password have been changed the only way to reset the unit to...

Страница 70: ...vels IP address and MAC address It also allows a user to download current LLM 1770 firmware and or unlock LLM 1770 options See page 53 for an explanation of this display The Log Out button allows a us...

Страница 71: ...display an updated list of captures Click the Refresh button The Index of Captures window does not refresh automatically If you store one or more captured displays but do not see it on the Index of C...

Страница 72: ...counts button on the web based control panel The Accounts Display page opens Figure 6 4 Accounts Display Page 2 In the Add new account s box enter the following information A unique identifier for the...

Страница 73: ...ssword text box Confirm the password by entering it again in the Confirm Password text box Change the user access level by making a different selection at the Access Level drop down list box 4 Click S...

Страница 74: ...e LLM 1770 firmware 1 Download the latest firmware from the Harris Broadcast Customer Support website http support broadcast harris com 2 Navigate to the download location of the LLM 1770_rXXXX flu FL...

Страница 75: ...e Unlock Options box 2 Press the Upgrade button to start the feature upgrade A message on the Unit display indicates the upgrade status 3 Once the update is complete the LLM will automatically power o...

Страница 76: ...Chapter 6 External Control 70...

Страница 77: ...les are correctly connected see Connecting the LLM 1770 on page 16 Initial difficulties with operation or display can be due to improper setup Review the Setup menus see Setup Menu Functions on page 3...

Страница 78: ...able via the Setup menus Adjustments can be made based upon user preferences There is no sound on the headphone output Adjust the headphone volume or select the proper channel to be monitored through...

Страница 79: ...put return loss 10 dB 1 485 GHz 2 97 GHz Cable EQ 80 M Belden 1694A Table 8 2 HD SDI Input Specifications Item Specification Input type 1 active looping input Input connector type BNC female Input imp...

Страница 80: ...e 32 kHz Audio inputs are sample rate converted to 48 kHz 44 1 kHz 48 kHz 88 2 kHz 96 kHz Meter accuracy over frequency 0 1 dB from 20 Hz to 19 kHz with 0 to 40 dBFS sine wave input except for within...

Страница 81: ...GPIO connector 15 female pin D sub Ethernet Table 8 8 Ethernet Specifications Item Specification Standard 10 100 Base T conforms to IEEE802 3 Connector RJ 45 Performance metric Transfer a downloaded...

Страница 82: ...tions Item Specification Height 1 75 in 4 45 cm Width 8 5 in 21 59 cm Depth 6 60 in 16 76 cm Weight 1 716 lb 0 77 kg Environmental Table 8 11 Environmental Specifications Item Specification Operating...

Страница 83: ...cord One power supply assembly Table 8 13 Optional Accessories Item Specification TVM WRTY 3YR Full extended warranty plan Adds three years to the standard two year warranty LLM OPT SDI Software keya...

Страница 84: ...Chapter 8 Specifications 78...

Страница 85: ...1 LTC GPI 15 Pin Female D Sub Connector Table A 1 Pinouts for LTC GPI Connector Pinout Signal Pinout Signal 1 ERROR SUM 9 LTC GND 2 GPI IN 1 10 LTC 3 GPI IN 2 11 LTC 4 GPI IN 3 12 N C 5 GPI IN 4 13 GN...

Страница 86: ...et RJ45 Connector Table A 2 Ethernet RJ45 Connector Pinouts Pinout Signal Pinout Signal 1 TX 5 N C 2 TX 6 RX 3 RX 7 N C 4 N C 8 N C Power Connector Figure A 3 Power Connector Table A 3 Power Connector...

Страница 87: ...A summary file represents a snapshot event of loudness measurements and settings You can manually trigger an event by pressing the CLR button An event is automatically triggered 24 hours after the la...

Страница 88: ...r the current sample period in LKFS Sample Data File Table B 2 Sample Data File File Sequence Number Time Stamp Time Code Program 1 Raw Data Program 2 Raw Data 5424 13 43 02 4 00 00 00 00 28 6 20 5425...

Страница 89: ...ger If no RPV value is associated with the alarm NO RPV is indicated Event Either Triggered or Cleared Triggered indicates the leading edge of the alarm Cleared indicates the trailing edge of the alar...

Страница 90: ...ss 1 Value The maximum integrated loudness detected Loudness Range 1 Value The calculated loudness range Loudness 1 Mapping The input source to loudness channel mapping associated with the indicated p...

Страница 91: ...ion or image processing such as edge crawl or hanging dots in analog pictures or pixilation in digital pictures Aspect Ratio The ratio of horizontal to vertical dimensions A square has an aspect of 1...

Страница 92: ...r signals have both chrominance and luminance CH Chroma Chrominance Luminance Delay A measurement that indicates the amount to which chrominance and luminance are aligned with respect to each other A...

Страница 93: ...etween any two levels it indicates how much color saturation variance occurs when the luminance level changes Differential Phase A peak to peak measurement that specifies the extent to which the chrom...

Страница 94: ...point all reduced to smooth the clip point to a less immediate limit softness Encoded Legalization Limiting of the luminance and color difference signals such that once encoded into a composite video...

Страница 95: ...the gray level of the video Gamut The whole or total of whatever is being addressed In color space gamut refers to all colors which are included in a particularly defined color group such as 601 gamu...

Страница 96: ...may be the same video as the Key Cut video Key Invert In a key effect this is an electronic action which reverses the polarity of the key cut signal It makes black appear as white and white appear as...

Страница 97: ...oding specification that is supported over a large range of applications Applications include MP HL Main profile at high level and MP ML Main profile at main level Mask Preset Size Uses the wipe patte...

Страница 98: ...aterials such as conductive dust gas and moisture between the internal areas of the product and the outside environment Pollution Degrees are 1 2 3 and 4 Pollution Degree 1 describes conditions where...

Страница 99: ...sed for measuring Incidental Carrier Phase Modulation ICPM in a transmitter QPSK Quadrature Phase Shift Keying typically used by satellite downlinks QAM Quadrature Amplitude Modulation the technique u...

Страница 100: ...the actual demodulated signal power SMPTE Society of Motion Picture and Television Engineers Standard Definition Television SDTV This term is used to signify a digital television system in which the...

Страница 101: ...oded vector display VHF Very High Frequency VITC Vertical Interval Time Code a method for recording on to video tape the timecode address for each video frame inserted in the vertical interval Wavefor...

Страница 102: ...Appendix C Glossary 96...

Страница 103: ...t on the work of the Independent JPEG Group CMU UCD Copyright Notice Copyright 1989 1991 1992 by Carnegie Mellon University Derivative Work 1996 1998 2000 Copyright 1996 1998 2000 The Regents of the U...

Страница 104: ...tributors may be used to endorse or promote products derived from this software without specific prior written permission THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND...

Страница 105: ...f Sun Microsystems Inc in the U S and other countries Redistribution and use in source and binary forms with or without modification are permitted provided that the following conditions are met Redist...

Страница 106: ...SS INTERRUPTION HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY WHETHER IN CONTRACT STRICT LIABILITY OR TORT INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE EVEN IF...

Страница 107: ...ibution The name of Fabasoft R D Software GmbH Co KG or any of its subsidiaries brand or product names may not be used to endorse or promote products derived from this software without specific prior...

Страница 108: ...u must show them these terms so they know their rights We protect your rights with two steps 1 copyright the software and 2 offer you this license which gives you legal permission to copy distribute a...

Страница 109: ...t ordinary way to print or display an announcement including an appropriate copyright notice and a notice that there is no warranty or else saying that you provide a warranty and that users may redist...

Страница 110: ...this License However parties who have received copies or rights from you under this License will not have their licenses terminated so long as such parties remain in full compliance 5 You are not req...

Страница 111: ...of that version or of any later version published by the Free Software Foundation If the Program does not specify a version number of this License you may choose any version ever published by the Fre...

Страница 112: ...icular case based on the explanations below When we speak of free software we are referring to freedom of use not price Our General Public Licenses are designed to make sure that you have the freedom...

Страница 113: ...l this license the Lesser General Public License because it does Less to protect the user s freedom than the ordinary General Public License It also provides other free software developers Less of an...

Страница 114: ...nstallation of the library Activities other than copying distribution and modification are not covered by this License they are outside its scope The act of running a program using the Library is not...

Страница 115: ...y or with a work based on the Library on a volume of a storage or distribution medium does not bring the other work under the scope of this License 3 You may opt to apply the terms of the ordinary GNU...

Страница 116: ...with each copy of the work that the Library is used in it and that the Library and its use are covered by this License You must supply a copy of this License If the work during execution displays copy...

Страница 117: ...ved copies or rights from you under this License will not have their licenses terminated so long as such parties remain in full compliance 9 You are not required to accept this License since you have...

Страница 118: ...either of that version or of any later version published by the Free Software Foundation If the Library does not specify a license version number you may choose any version ever published by the Free...

Страница 119: ...l 20 web based 22 64 Copyrights 97 112 Cambridge Broadband Ltd 98 Cisco BUPTNIC 100 CMU UCD 97 Fabasoft R D Software GmbH Co KG 101 Networks Associates Technology 98 Sparta Inc 100 Sun Microsystems In...

Страница 120: ...66 Matrix menu meter mapping 37 38 Mechanical specifications 76 Meter alarms setup menu 58 Meter mapping 37 38 N Navigating setup menus 34 35 O Open source software 97 112 Cambridge Broadband Ltd 98...

Страница 121: ...poration 12 Shipping information 3 Specifications 3 Gb s SDI input 73 output 74 accessories 77 digital audio input 74 display 75 environmental 76 Ethernet 75 HD SDI input 73 output 74 mechanical 76 po...

Страница 122: ...Index 116...

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