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Miranda DENSITÉ series DAP-1781 Manual To Installation And Operation

Densité series 8 channel digital audio processor with: dolby decoder dolby-e encoder dolby-d encoder upmax upmixer option
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DENSITÉ series
DAP-1781
8 Channel Digital Audio Processor
with:
Dolby Decoder
Dolby-E Encoder
Dolby-D Encoder
upMAX
TM
Upmixer option
Guide to Installation and Operation
M769-9900-224
5 July 2013
Miranda Technologies
3499 Douglas-B.-Floreani
St-Laurent, Québec, Canada H4S 2C6
Tel. 514-333-1772
Fax. 514-333-9828
www.miranda.com
© 2013 Miranda Technologies

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Summary of Contents for Miranda DENSITÉ series DAP-1781

  • Page 1 8 Channel Digital Audio Processor with: Dolby Decoder Dolby-E Encoder Dolby-D Encoder upMAX Upmixer option Guide to Installation and Operation M769-9900-224 5 July 2013 Miranda Technologies 3499 Douglas-B.-Floreani St-Laurent, Québec, Canada H4S 2C6 Tel. 514-333-1772 Fax. 514-333-9828 www.miranda.com © 2013 Miranda Technologies...

  • Page 2: How To Contact Us

    Voltage dips, short-interruption and voltage variation immunity Manufactured under license from Dolby Laboratories. Dolby and the Double-D symbol are trademarks of Dolby Laboratories. How to contact us: For technical assistance, please contact the Miranda Technical support center nearest you: Americas Asia Europe, Africa...

  • Page 3: Table Of Contents

    Local control using the Densité frame control panel ............12 Status LED and Report ........................12 Menu for local control ........................16 Remote control using Miranda’s iControl system ............... 24 Audio Processing ..........................26 4.1.1 Audio Processing - CH 1-4 to CH 13-16 tabs ..............26 4.1.2...
  • Page 4 GUIDE TO INSTALLATION AND OPERATION Audio Type ............................52 4.10 RALM tab ............................53 4.10.1 RALM Connections tab ......................53 4.10.2 RALM – Meter Ballistics Config tab ..................53 4.11 A-BUS ............................... 54 4.12 Reference Input ..........................55 4.13 Rear Type ............................56 4.14 Factory / Presets ..........................

  • Page 5: Dap-1781 8 Channel Digital Audio Processor

    1 DAP-1781 8 Channel Digital Audio Processor 1.1 Introduction The DAP-1781 is an eight-channel high quality digital audio processor designed to work alone or with a wide range of video converters, frame synchronizer proc/amps of the Densité series. The card features two distinct processing blocks: Input and Output. The input processing includes Dolby detection, Tone generator, delay adjustments, level controls and phase correction.

  • Page 6: Features

    GUIDE TO INSTALLATION AND OPERATION 1.2 Features • Stand-alone 8 channel audio processor and delay. • 8 channel processing of embedded audio signals. • Fixed delay and up to 8 video frames tracking delay • Full channel shuffling on the outputs •...

  • Page 7: Functional Block Diagram

    GUIDE TO INSTALLATION AND OPERATION 1.4 Functional Block Diagram DAP-1781 |...

  • Page 8: Simplified Block Diagram

    GUIDE TO INSTALLATION AND OPERATION 1.5 Simplified Block Diagram ABUS Video card / Audio cards link From DIR1 INPUT PROCESSOR Reference Ref. IN VIDEO Select Remote Microcontroller Control Status Monitor OUTPUT PROCESSOR Metadata Metadata Metadata Ext/Int Output Input (RS422) (RS422) 8 x Peak meters, 4 x Phase meters 16 x No Signal 16 x Overload...

  • Page 9: Installation

    2.1 Unpacking Make sure you have ordered and received the DAP-1781 and its associated rear panel. If any of the following items are missing, contact your distributor or Miranda Technologies Inc. • DAP-1781 8-Channel Digital Audio Processor • One of the DAP-1781 Rear Panels (see figures on page 6) •...

  • Page 10: Rear Panel Options

    AES 4 Signal META IN META OUT META OUT META IN A choice of HD-15 adapters sold by Miranda: • A cable adapter SUB-HD15 male to four female 75 Ohm BNC coaxial connectors is available from Miranda product number "BOC-DE15-4BNC-1".
  • Page 11 GUIDE TO INSTALLATION AND OPERATION OPTIONAL DOLBY LM100 INTERFACE On the LM100, use the Serial Remote Control Input at the rear which is a 9-pin female D-connector RS-485. For a direct connection between the LM100 and the DAP-1781 card use the following wiring: 9-pin male Connection Weco...

  • Page 12: Local Control Using The Densité Frame Control Panel

    GUIDE TO INSTALLATION AND OPERATION 3 Local control using the Densité frame control panel Push the SELECT button on DAP-1781 card edge (see Section 1.6) to assign the local control panel to operate the DAP-1781. Use the control panel buttons to navigate through the menu, as described below. All of the cards installed in a Densité...
  • Page 13 GUIDE TO INSTALLATION AND OPERATION Serial Flashing Flashing Activated Yellow report report Yellow Card system error     Reference error     AES In 1 carrier no lock     AES In 1 carrier biphase error ...
  • Page 14 GUIDE TO INSTALLATION AND OPERATION Serial Flashing Flashing Activated Yellow report report Yellow CH8 (AES In 4R) NSD     CH9 (EXT 1/9) NSD     CH10 (EXT 2/10) NSD     CH11 (EXT 3/11) NSD ...
  • Page 15 GUIDE TO INSTALLATION AND OPERATION Serial Flashing Flashing Activated Yellow report report Yellow CH8 Mixer, Input A Overload    CH8 Mixer, Input B Overload    CH1 Mixer, Output (AES Out 1L) Overload    CH2 Mixer, Output (AES Out 1R) Overload ...

  • Page 16: Menu For Local Control

    GUIDE TO INSTALLATION AND OPERATION 3.2 Menu for local control The DAP-1781 has operating parameters which may be adjusted locally at the controller card interface. After pressing the SELECT button on the DAP-1781 module, use the keys on the local control panel (described in the Controller card manual) to step through the displayed menu and adjust the parameters.
  • Page 17 GUIDE TO INSTALLATION AND OPERATION NOT ACTIVE | [parameter1 PRESENT | REV parameter1 STATUS METADATA INPUT STATUS PRESENT | REV parameter1 ABSENT | REV parameter2 | REV LAST VALID | REV BLANKED | [USING GEN, [DETECTED parameter1]]] parameter1 = EXT | DEC | ABUS parameter2 = GENERATOR | USER1 | …...
  • Page 18 GUIDE TO INSTALLATION AND OPERATION 18 | DAP-1781...
  • Page 19 GUIDE TO INSTALLATION AND OPERATION upMAX OPERATING MODE OFF, ON PROCESSING PASS-THROUGH, UPMIX, AUTOMAX, METADATA FOLLOW REVERSION MODE PASS-THROUGH, UPMIX, LAST VALID (METADATA FOLLOW) INPUT CH1&2, CH3&4, ..., CH15&16 C/LFE CH1&2, CH3&4, …, CH15&16 SL/SR CH1&2, CH3&4, CH5&6, …, CH15&16 CENTER WIDTH 0, 1, ..., 70, …, 100 SURROUND DEPTH...
  • Page 20 GUIDE TO INSTALLATION AND OPERATION METADATA INPUT SOURCE RS-422 PORT, DOLBY DECODER, A-BUS IN OUTPUT SOURCE INPUT, GENERATOR RS-422 PORT, DOLBY DECODER, A-BUS IN, GENERATOR, REVERSION MODE USER1, USER2, …, USER10, FACT, LAST VALID, BLANK HOLD HOLD NOW | RELEASE NOW PROGRAM CONFIG 5.1+2, 5.1+2x1, ..., 7.1 Screen ( not all available in 16-bit mode)
  • Page 21 GUIDE TO INSTALLATION AND OPERATION LOUDNESS INTERNAL OPERATING MODE OFF, ON FILTER TYPE LEQ(A), ITU-R BS.1770 CHANNEL SELECT OFF, ON CH16 DOLBY LM-100 OPERATING MODE OFF, ON MEASURE STATE RUN, PAUSE MEASURE RESET RESET NOW CHANNEL SELECT L, R, STEREO, C, ALL METHOD SHORT, INFINITE ADDRESS...
  • Page 22 GUIDE TO INSTALLATION AND OPERATION MONITORING LEFT AES OUT 1L, AES OUT 1R, ..., AES OUT 4L, AES OUT 4R RIGHT AES OUT 1L, AES OUT 1R, ..., AES OUT 4L, AES OUT 4R CONFIGURE ALARMS CARD SYSTEM ALARM MODE OFF, ON (default depends on alarm) REFERENCE...
  • Page 23 GUIDE TO INSTALLATION AND OPERATION REFERENCE SOURCE FREE-RUN, AES1, FRAME (20), FRAME (10), A-BUS, AUTO DEF FRAME RATE 23.98, 24, 25, 29.97, 30 NONE, V + >A1<, V + >A1< + A2, V + A1 + >A2<, >A1< + A2, A1 + A-BUS CONFIG CARD SYSTEM >A2<, V + A1 + >S<...

  • Page 24: Remote Control Using Miranda's Icontrol System

    GUIDE TO INSTALLATION AND OPERATION 4 Remote control using Miranda’s iControl system The operation of the DAP-1781 may be controlled using Miranda’s iControl system. • This manual describes the control panels associated with the DAP- 1781 and their use. •...
  • Page 25 GUIDE TO INSTALLATION AND OPERATION Status Icons At the top, to the left of the Miranda logo, are six status icons that report various aspects of the card’s operation. Icon # Indicates appearance interpretation Card control Green if the card is controlled remotely (iControl).

  • Page 26: Audio Processing

    GUIDE TO INSTALLATION AND OPERATION 4.1 Audio Processing 4.1.1 Audio Processing - CH 1-4 to CH 13-16 tabs The channels 1 to 8 represent the AES1 to AES4 digital inputs. When a video card is present, eight extracted audio channels are available as channel 9 to channel 16.
  • Page 27 GUIDE TO INSTALLATION AND OPERATION 4.1.1.2 Fixed Delay sub-tab For each channel, two sliders allow delay to be adjusted, with two levels of precision: • Coarse – adjusts the delay in ms, from -250 ms to 2400 ms • Fine – adjusts the delay in sample increments, from -47 to 47.

  • Page 28: Audio Processing - Config Tab

    GUIDE TO INSTALLATION AND OPERATION 4.1.2 Audio Processing - CONFIG tab Audio Proc Input Selection: when a video card is connected via A-BUS, up to sixteen extracted audio channels may be present. The pull-down box allows selection of the feed for the 8 internal processing audio channels 9 to 16.

  • Page 29: Audio Output

    GUIDE TO INSTALLATION AND OPERATION 4.2 Audio Output 4.2.1 Audio Output - CH 1-2 to CH 7-8 tabs Each of these tabs controls the output processing for two output channels – source selectors, level controls and mixers for each output. A colored box indicates the audio type for each output of the card.
  • Page 30 GUIDE TO INSTALLATION AND OPERATION Mix (see CH 3 in the figure on the right) Two sources are selected using the Source A and Source B A-BUS Select and Channel pull- downs. The two sources are mixed, with the level of each source adjusted using its slider or data entry box.

  • Page 31: Audio Output - Auto-Mix

    GUIDE TO INSTALLATION AND OPERATION 4.2.2 Audio Output – Auto-Mix When the Mix operation mode is selected, an auto- Mix feature is proposed. With a one-click operation, the transition between two sets of sources can be done at the same time, with fade-in-time and fade- out time controlled by a slider.

  • Page 32: Dolby

    GUIDE TO INSTALLATION AND OPERATION 4.3 Dolby This window provides control and status information for an optional Dolby module. The active tab depends on the type of the optional card physically installed on the DAP-1781. 4.3.1 Dolby Decoder tab The decoder supports a Dolby-E, Dolby Digital or PCM signal;...
  • Page 33 GUIDE TO INSTALLATION AND OPERATION The Dolby Digital section is available only if the input bit stream is Dolby Digital, and the Detection Mode is Dolby Digital or Auto. The Stream Select parameter selects the stream number to be decoded when multiple Dolby Digital bit streams are embedded within a single AES pair.
  • Page 34 GUIDE TO INSTALLATION AND OPERATION 4.3.1.3 Dolby Digital sub-tab The Decoder to Proc Channel Assignment section indicates the output channel assignment. The Main Output sub-section shows channels assignment related to the Program Configuration. The Dolby Digital Status section indicates status information for the Dolby Digital bit stream selected at the bottom of the Control tab: Coding Mode, Data Rate, Bitstream Mode, Dialnorm value, Dolby...

  • Page 35: Dolby-E Encoder Tab

    GUIDE TO INSTALLATION AND OPERATION 4.3.2 Dolby-E Encoder tab A video reference signal and Metadata are required for encoding. Refer to Ref and Metadata tabs. 4.3.2.1 Inputs and Outputs An input shuffler allows any combination of the inputs channels (default are CH1 to CH8). The Dolby-E signal is mapped into the channel pair selected in the pull-down “Output Channels”.

  • Page 36: Dolby Digital (Ac-3) Encoder Tab

    GUIDE TO INSTALLATION AND OPERATION 4.3.3 Dolby Digital (AC-3) Encoder tab 4.3.3.1 Inputs and Outputs An input shuffler allows any combination of the input channels (default are CH1 to CH6). The input labeling will follow the Metadata (Coding Mode parameter for the selected Program). The Dolby-Digital signal is mapped into the channel pair selected in the pull-down “Output Channels”.
  • Page 37 GUIDE TO INSTALLATION AND OPERATION Encode Latency This parameter specifies the Latency of the Dolby Digital encoder, in both encoding and pass-through mode. It ranges from 150 ms to 450 ms, with 187 ms default value. 4.3.3.3 Status Encoder This parameter indicates the operational status of the encoder. Metadata Bit-Stream The Metadata will be reported as invalid if it contains missing and/or invalid parameters or erroneous segment checksums.

  • Page 38: Metadata

    GUIDE TO INSTALLATION AND OPERATION 4.4 Metadata 4.4.1 Input Status Three icons are dedicated to the status of each metadata input. A green icon indicates the presence and validity of a Metadata bit stream. The RS-422 input is not available on the single width rear panels DEC-75-SRP and DEC-110- SRP, the Decoder input implies the presence of a Dolby Decoder optional card and the A-BUS input...
  • Page 39 GUIDE TO INSTALLATION AND OPERATION Metadata Profile Copy for Card [DAP-1781] Click the Profiles button at the bottom of the Metadata panel to open a window allowing Metadata settings to be copied from this DAP-1781 card to other DAP-1781 cards. •...

  • Page 40: Input Tab

    GUIDE TO INSTALLATION AND OPERATION 4.4.4 Input tab This section displays the Metadata parameters after the automatic selection between the Primary Input Metadata bit stream and the Backup source. These Input parameters are used throughout the card, by the Downmix, Loudness and upMAX stages, the Dolby encoder, the ABUS output...

  • Page 41: Loudness Tab

    GUIDE TO INSTALLATION AND OPERATION 4.4.6 Loudness tab The loudness management is an option for the DAP-1781. Once enabled, the loudness measurement becomes part of the internal processing available on the DAP-1781. Additionally, an interface to a Dolby LM100 is proposed with a remote access to a set of commands and status of this particular product.
  • Page 42 GUIDE TO INSTALLATION AND OPERATION LM100 Interfacing with a remote LM100 is done through the two Metadata RS-422 ports on the DAP-1781 rear panel and the remote RS-485 port on the LM100. Refer to section 2.2.1 for connections and settings. The Measurement ON command activates the link with the LM100, indicated by the green icon.

  • Page 43: Dynamic Processing

    GUIDE TO INSTALLATION AND OPERATION 4.5 Dynamic Processing This process is part of the input processor, refer to the block diagram. 4.5.1 CH 1 to CH 8 tabs Each of these tabs controls the dynamic processing for one channel. The available functions are Limiter, Compressor, and Downward Expander.

  • Page 44: Ch 9 To Ch 16 Tabs

    GUIDE TO INSTALLATION AND OPERATION 4.5.2 CH 9 to CH 16 tabs The functions are the same as above but for channels 9 to 16. 44 | DAP-1781...

  • Page 45: Upmix/Downmix

    GUIDE TO INSTALLATION AND OPERATION 4.6 UPMIX/DOWNMIX 4.6.1 UPMIX/DOWNMIX – Config tab With the UP/DOWN MIX option enabled (see section 4.15), the UP/DOWN MIX mode radio buttons offer the choice between • • UPMIX • DOWNMIX Once the choice is made, the appropriate tab will be enabled (its text will not be grayed-out), and can be accessed to configure the mix process.

  • Page 46: Upmix/Downmix - Downmix Tab

    GUIDE TO INSTALLATION AND OPERATION 4.6.3 UPMIX/DOWNMIX – DOWNMIX tab This tab provides resources to control the downmix of a “5.1 channel” surround-sound audio signal into an LtRt or LoRo stereo pair. The 5.1 terminology refers to six discrete audio channels, with the low-frequency channel of limited bandwidth designated as the .1 channel.
  • Page 47 GUIDE TO INSTALLATION AND OPERATION will use the Default Metadata Configuration if the Reversion mode is set to Default, otherwise it will use the metadata parameters in the selected Backup Metadata (Metadata panel) when set to Backup Metadata. Downmix Settings: The Current Settings status indicates the current set of configuration parameters used for downmixing depending on the Operation Mode and Reversion Mode.
  • Page 48 GUIDE TO INSTALLATION AND OPERATION Table 3: Current Downmix Settings Legend Follow Metadata Config Default Config Manual Config Metadata Metadata Parameters Downmix Configuration Current Downmix Settings Status Input Input Backup Operating Reversion Downmix Dialnorm Center and Primary/ Primary/Backup Metadata Prog 1 Mode Mode Mode...

  • Page 49: Upmax Linear Acoustics Upmixer Option

    GUIDE TO INSTALLATION AND OPERATION LoRo: This mode enables the downmix of 5.1 channels into an LoRo stereo pair, which is a conventional stereo signal. The LoRo downmixing process adds a latency of 41.7 µs (2/48000 samples) through the card. To keep control on the processing delay, the tracking delay has to be larger than 3 ms and with a stand alone card select a fixed...
  • Page 50 GUIDE TO INSTALLATION AND OPERATION Note: The AutoMAX-II algorithm is supported by firmware version 1.3.1.0 and later. Firmware version 1.3.0.0 supports only the AutoMAX algorithm. The AutoMAX algorithm does not support the upmix-to- pass and pass-to-upmix transition speeds. The version number is available through the front panel menu Status-upMax.

  • Page 51: Channel Status

    GUIDE TO INSTALLATION AND OPERATION Channel Status 4.8.1 Channel Status - Status AES1-4 & Status AES5-8 tabs This tab displays the most relevant parameters coded within each incoming AES channel: Displays PRO or Consumer Coding of incoming data: Linear or Non-Linear.

  • Page 52: Audio Type

    GUIDE TO INSTALLATION AND OPERATION 4.9 Audio Type This Window indicates the audio type of each channel at the input of the card, and at the A-BUS inputs and outputs. Detected audio types can be PCM, AC3 (Dolby Digital), Dolby-E or NPCM (other non-PCM). The input channels are available for the optional Dolby decoder module input.

  • Page 53: Ralm Tab

    GUIDE TO INSTALLATION AND OPERATION 4.10 RALM tab This Remote Audio Level Meters feature allows distant supervision of the audio levels present at the eight outputs of the DAP-1781. 4.10.1 RALM Connections tab CH1&2, CH3&4, CH5&6, CH7&8 – each radio button turns the player ON or OFF for the pair of channels.

  • Page 54: A-Bus

    GUIDE TO INSTALLATION AND OPERATION 4.11 A-BUS The DAP-1781 can be used stand alone or as a companion to provide additional audio channels for other Densité cards. The A-BUS (audio bus) links the DAP-1781 to the other cards and is used to configure the system and to display the presence of other installed cards.

  • Page 55: Reference Input

    GUIDE TO INSTALLATION AND OPERATION 4.12 Reference Input Reference – Desired: Use a radio button to select a reference signal for the DAP-1781. The reference sources are placed by order of priority where A-BUS has the highest priority. The absence of the selected reference is an error condition.

  • Page 56: Rear Type

    GUIDE TO INSTALLATION AND OPERATION 4.13 Rear Type This tab shows the type of the rear panel: single or dual width, and digital inputs/outputs standard. The 2 RU dual width rear panels and the 3 RU single width panels allow the installation of any optional Dolby module, either encoder or decoder.

  • Page 57: Profiles

    GUIDE TO INSTALLATION AND OPERATION 4.14.4 Profiles Click the Profiles button at the bottom of the Factory/Presets panel to open a window allowing parameter settings to be copied from this DAP-1781 card to other DAP-1781 cards. • The Copy Profile From line shows the current DAP-1781. •...

  • Page 58: Options

    GUIDE TO INSTALLATION AND OPERATION 4.15 Options Three options are available for the DAP-1781: • UP/DOWN MIXING (DAP-1781-OPT-UDM) • DYNAMIC PROCESSING (DAP-1781-OPT-DP) • LOUDNESS MANAGEMENT (DAP-1781-OPT-LM) Activate either option on the DAP-1781 card by entering the activation key into the Enter Key data box in its tab, and clicking the Enable Option button.

  • Page 59: Alarms Configuration

    GUIDE TO INSTALLATION AND OPERATION 4.16 Alarms Configuration Selecting the Alarm config tab opens a separate window for error status reporting. The alarm Configuration Panel shows all measured parameters and offers the following options for each: Choose an alarm Name, use the pull-down box in the Overall alarm column to select the level associated to this alarm:...

  • Page 60: Info

    GUIDE TO INSTALLATION AND OPERATION Each alarm provided by a Densité card has an associated value, or key, that serves as a unique identifier. An alarm’s URI, for example, contains its key. The Alarm Key can also be useful when creating scripts. The Get alarm Keys button is used to save a list of the card’s alarms, the associated keys, as well as the currently configured Overall and GSM contributions in a .csv file that can be viewed in any text editor or spreadsheet application.

  • Page 61: Specifications

    GUIDE TO INSTALLATION AND OPERATION 5 Specifications Digital Inputs (4) Sampling freq.: 32 to 100 kHz Quantization: 16 to 24 bits AES3: Level 0.2 to 7 Vpp 110 Ω balanced Input impedance AES3-id: Level : 0.2 to 2 Vpp 75 Ω Input impedance Return loss 18 dB @ 12 MHz...
  • Page 62 GUIDE TO INSTALLATION AND OPERATION Miscellaneous Tone generator 1 kHz sine wave interrupted on left channel (250 ms / 3 s) EBU R49 Signal presence threshold from –72 to –48 dBFS (6 dB steps) No signal delay from 0 to 255 s (1 s steps) Fixed delay 0 to 2.4 s Steps: ms (coarse) &...

  • Page 63: Document History

    Dolby Decoder Option, Downmix type, LtRt is removed. CSIX 2012-03-29 0769-0100-336 MOD-DOLBY-DEC replaced by MOD-DOLBY-DEC2 iControl 4.14 CSIX 2012-04-17 MOD-DOLBY-ENC-D replaced by MOD-DOLBY-ENC-D-2 CSIX 2012-07-25 Added Miranda product references: "BOC-DE15-4BNC-1" and "NSH15M". C.SIX 2013-07-02 Commentary added on the "PCM Detected" and similar alarms. DAP-1781 | 63...

  • Page 64: Appendix A - Dolby Digital Main Channel Output Functions

    GUIDE TO INSTALLATION AND OPERATION Appendix A – Dolby Digital Main Channel Output Functions Coding Listening Main Channel Output Function Mode Mode Full All 3/2 channels 3 Stereo 3 Stereo downmix of 3/2 channels Phantom Phantom downmix of 3/2 channels Stereo Lo/Ro downmix Mono...

  • Page 65: Appendix B - Default Dolby-E Metadata Parameters

    GUIDE TO INSTALLATION AND OPERATION Appendix B – Default Dolby-E Metadata Parameters Program Config : 5.1.+ 2 Frame rate : current DAP-1781 frame rate. Parameter Program 1 (5.1) Program 2 (2) Data rate (datarate) not specified not specified Bitstream mode (bsmod) complete main complete main Audio coding mode or channel mode (acmod)

  • Page 66: Appendix C - Metadata Input/Output Serial Port

    GUIDE TO INSTALLATION AND OPERATION Appendix C – Metadata Input/Output Serial Port Depending on the rear panel used, the DAP-1781 can have a Metadata In, a Metadata Out or both ports. These ports use RS-422/485 levels and operate at 115200 bps. Metadata Source: DAP-1781 When the DAP-1781 is transmitting data, it is considered to be the RS-485/422 bus controller.

  • Page 67: Appendix D - Examples Of Applications With Optional Cards

    GUIDE TO INSTALLATION AND OPERATION Appendix D – Examples of Applications with Optional Cards DAP-1781 | 67...
  • Page 68 GUIDE TO INSTALLATION AND OPERATION Dolby decode, Processing & Dolby Digital (AC-3) encode XVP-1801 HD/SD Video proc On the video card, set the HD/SD Additionnal Frame Delay to 7 Dolby frames to match the decode/ Audio proc Digital encode latencies. DAP-1781 #1 The tracking delay is applied on Dolby-E...
  • Page 69 GUIDE TO INSTALLATION AND OPERATION LINEAR ACOUSTIC upmix, Processing & Dolby Digital (AC-3) encode XVP-1801 HD/SD Video proc On the video card, set the HD/SD Additionnal Frame Delay to 7 Dolby frames to match the process & Audio proc Digital encode latencies.
  • Page 70 GUIDE TO INSTALLATION AND OPERATION Dolby decode, Downmix & Dolby Digital (AC-3) encode XVP-1801 HD/SD Video proc On the video card, set the HD/SD Additionnal Frame Delay to 7 Dolby frames to match the process & Audio proc Digital encode latencies. DAP-1781 #1 The tracking delay is applied on Dolby-E...

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