Dolby Laboratories DP569 инструкция обслуживания

Model DP569 Dolby Digital Multichannel Audio Encoder User’s Manual Issue 3 Part Number 91572[...]

ii Dolby Laboratories, Inc. Corporate Headquarters Dolby Laboratories, Inc. 100 Potrero Avenue San Francisco, CA 94103-4813 Telephone 415-558-0200 Fax 415-863-1373 Email info@dolby.com www.dolby.com European Headquarters Dolby Laboratories, Inc. Wootton Bassett Wiltshire, SN4 8QJ, England Telephone (44) 1793-842100 Fax (44) 1793-842101 WARNING: Tro[...]

Model DP569 User’s M anual iii Table of Contents List of Figures .............................................................................................................. vii List of Tables ............................................................................................................... v iii Regulatory Notices and Fuse Informa[...]

Model DP569 User’s M anual iv 4.2.3 Metadata Params ............................................................ 4-4 4.2.4 User Pr esets .................................................................... 4-5 4.2.5 I/O C ontrol ....................................................................... 4-6 4.2.6 System Settings .....................[...]

Model DP569 User’s M anual v Appendix A Metadata ................................................................................................ A-1 A.1 Metadata Ov erview ...................................................................... A-1 A.2 Dialogue Le vel ............................................................................. A-[...]

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Model DP569 User’s M anual vii List of Figures 2-1 Jumper Locations ............................................................................................ 2-2 2-2 DP569 Fron t Panel.......................................................................................... 2-3 2-3 Front-Panel Naviga tion Butt ons .............................[...]

Model DP569 User’s M anual viii List of Tables 2-1 Status Menu Na vigation Bu ttons ..................................................................... 2-4 2-2 Setup Menu Navi gation Butt ons ...................................................................... 2-5 2-3 Commands that Exit the Setup Menu..........................................[...]

Model DP569 User’s M anual ix Regulatory Notices and Fuse Information FCC This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These li mit s are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial en[...]

Model DP569 User’s M anual x EU This equipment complies with the E MC requirements of EN55103-1 and EN55103-2 when operated in an E2 environment in accordance with this m anual. IMPORTANT SAFET Y NOTICE This unit complies with the safety stan dard EN60065. Th e unit shall not be exposed t o drippi ng or spla shing and no objects filled with liqui[...]

Model DP569 User’s M anual xi VIKTIGA SÄKERHETSÅTGÄR DER! Denna enhet uppfy ller säkerh etsstandard EN60 065. Enhete n får ej utsätt as för yttre å verkan sam t föremål innehållande vätska, såsom kaffemugga r, får ej placeras på utrustningen." För att garante ra säkerheten och gardera mot eventuell elchock eller br andrisk, [...]

Model DP569 User’s M anual xii Checking the Main Fuse Internal Fuse The switching power supply contains a separate fuse. Most fault conditions should be protected by the main fuse. If you find it necessary to replace the internal fuse , be certain to replace it w ith a fuse of the same type and rating as printed on th e switching power supply boa[...]

Model DP569 User’s M anual 1-1 Chapter 1 Introduction The Dolby DP569 is the reference Dolby Di gital multichannel audio en coder. It supports encoded bit rates from 56 to 640 kbps and channel configurations from mono to 5.1-channel surround sound. The DP569 is intended for digital TV, cable, and disc authoring applications, includi ng automated [...]

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Model DP569 User’s M anual 2-1 Chapter 2 Setting Up This chapter covers all general connection an d installation requiremen ts for the DP569. 2.1 Unpacking Before unpacking the DP569, inspect the outer carton for shipping dam age. If the carton shows damage, inspect the unit in those areas. Several accessories are provided with the unit. • A po[...]

Model DP569 User’s Manu al Setting Up 2-2 2. Gently lift the top cover upward and towards the rear. Carefully set as ide. 3. Reverse the above procedure when re-assembling the unit. J40 J30 J25 J26 J28 J34 J31 J32 J40 J41 Ref Input Dig 1/2 Input Dig 3/ 4 Input Dig 5/6 Input Te r m i n a t e d Te r m i n a t e d Not T erminated Not T erminated Ope[...]

Model DP569 User’s Manu al Setting Up 2-3 2.3 Front Panel The Model DP569 front-panel interface cons ists of a two-line alphanumeric liquid crystal display (LCD), a set of user-input buttons, a set of dedicated LED status indicators, and a remote port. Please see Figure 2-2 for the front-panel illustration. Figure 2-2 DP569 Front Panel 2.3.1 Fron[...]

Model DP569 User’s Manu al Setting Up 2-4 2.3.3 Preset Buttons The second group of buttons allows you to quickly select existing presets. Figure 2-4 Preset and Program Buttons To select a preset, press the appropriate Preset button. A table of factory default presets can be found in Appendix C. Presets 28–32 are copied to presets 1–5 when shi[...]

Model DP569 User’s Manu al Setting Up 2-5 Table 2-2 Setup Menu Navigation Buttons Command Result ← or ↑ Displays the previous menu item available on line 2 of the displa y. ↓ or → Displays the next menu item available on line 2 of the display. Enter Enters the menu item on line 2 of the display; changes function status and menu display ac[...]

Model DP569 User’s Manu al Setting Up 2-6 I/O Control Clock Source 2.5.2 Entering Text In certain situations you will be prompted to enter text. In the text entry window, Enter Name P RESET 6 the first line prom pts you to enter text. The second line displays the current text f or the parameter or, if no text is yet defined, a default text string[...]

Model DP569 User’s Manu al Setting Up 2-7 2.6 Front-Panel Indicators Figure 2-5 Front-Panel Indicators The front-panel LED indicators provide info rmation on the operational state of the DP569. 2.6.1 Digital Input Status LEDs The front panel has three st atus LEDs for audio inputs Digital In 1/2, 3/4, and 5/6. Each indicates if its resp ective in[...]

Model DP569 User’s Manu al Setting Up 2-8 LED State Description Off The Ref In input is not selected. Green The Ref In input is required and locked without errors. Ref In Red The Ref In input is required, but invalid or not present. Off Remote interface is disabled. Green Remote interface is enabled and operating without errors. Remote Re d Remot[...]

Model DP569 User’s M anual 3-1 Chapter 3 Applications The two main applications for th e DP569 Dolby Digital encoder are: • Digital Television Broadcasting • DVD Authoring Each environment has unique requirements in terms of installation and operation. In this chapter, we discuss each application in detail. This chapter assum es the user has [...]

Model DP569 User’s M anual Applications 3-2 MUX DP569 Main Out L/R Ls/Rs C/LFE Digital In Multiplexer Dolby Digital Input GPI Input GPI Status Alarms and Status MPEG Transport stream output Optional Preset Recall via automation Ref In Ref Out 48 kHz Reference Figure 3-1 DP569 Integrated with a Multiplexer 3.1.2 Integration within a Dolby E System[...]

Model DP569 User’s M anual Applications 3-3 MUX DP569 Main Out L/R Digital In Multip lex er Dolby Digit al Input GPI Input GPI Stat us Alarm s and Stat us MPEG Transport stream output DP572 Video Ref (S tudio Ref or Source VT R) Main Input Digi tal Audio Outputs Dolby E Metadata Out Aux Input GPI Stat us Figure 3-2 Connection Between a DP56 9 and[...]

Model DP569 User’s M anual Applications 3-4 3.1.5 Alarms and Monitoring The DP569 has a bypass input that can be used for redundant or hot standby operation. In order to connect a pair of DP569 for hot standby, the following connections should be made. Main P rogram Output Main P ro gram Audi o Optional T erminato r Not Connec ted By p as s In By[...]

Model DP569 User’s M anual Applications 3-5 2. If you wish to clock the DP569 using an external AES reference, connect this reference and change the Clock Source menu to Ref- In SRC On. See Section 4.2.5. 3. If required, connect the appropriate GPIs to an alarm system and/or a second encoder for redundant operation. See Section 3.1.5 4. Connect t[...]

Model DP569 User’s M anual Applications 3-6 Dolby Laboratories can also supp ly an interfac e kit to aid th e installation of this system into studios that us e balanced digital audio conn ections. This k it is called th e Cat. No. 541 cable kit and c ontains four BNC cables along with four impe dance trans formers. 3.2.2 Quick Start for D VD Aut[...]

Model DP569 User’s M anual Applications 3-7 6. Recall factory preset number 2 (copied in preset 29) from the front panel; this configures the unit to generate al l metadata settings internally. 7. Place the DP569 in remote mode by sequentially pressing shift and ← keys. 8. Launch the DolbyRem ote software and connect to th e DP569. S ee Section[...]

Model DP569 User’s M anual 3-1[...]

Model DP569 User’s M anual 4-1 Chapter 4 Front-Panel Menus This chapter provides an overview of the te rms and selections available in the front- panel LCD window. 4.1 Status Menu The main status menu appears when you tu rn the power on, press the Status button combination ( Shift , Setup ), or activate the remote control. Main Status Encoder Sta[...]

Model DP569 User’s M anual Front-Panel Menus 4-2 4.2 Setup Menu Options in the top menu level are: • Operating Mode • Metadata Control • Metadata Params • User Presets • I/O Control • System Settings 4.2.1 Operating Mode In this menu you control wh ether the DP569 is encoding, and whether it is being controlled by timecode. The submen[...]

Model DP569 User’s M anual Front-Panel Menus 4-3 completion of encoding the actual va lue of stop time, including samp les, will be shown in the TC Stop Time display. This samples value can then be used to offset the next piece of encoded material, if n ecessary, to maintain A/V sync. For m ore information consult Appendix B. Timecode control can[...]

Model DP569 User’s M anual Front-Panel Menus 4-4 • Adaptive behaves like Last Used if the metadata disappears c ompletely; behaves like Preset if any individual metada ta parameters are missing. 4.2.3 Metadata Params This menu contains 30 metada ta param eter selection menus. Table 4-1 prov ides a bas ic definition for eac h of the metada ta pa[...]

Model DP569 User’s M anual Front-Panel Menus 4-5 LCD Description Lt/Rt C Dwnmx When the stereo downmix is Lt/Rt, designates downmix level for center channel when end user has no center speaker. Lt/Rt S Dwnmx When the stereo downmix is Lt/Rt, designates downmix level for sur round channels when end user has no surround speakers. Lo/Ro C Dwnmx When[...]

Model DP569 User’s M anual Front-Panel Menus 4-6 • Pressing any of the preset buttons, im mediately invoking a preset, cancels any pending preset. • If the unit is in Timecode Control mode, it cannot also recall a preset based on timecode. 4.2.5 I/O Control In the I/O Control menu you can set the configuration of the DP569’s inputs and outp[...]

Model DP569 User’s M anual Front-Panel Menus 4-7 if the input audio signals are not both synchronous a nd phase aligned with the reference signal. There are some restrictions on the clo ck source selection: • If Ref In-SRC On or an Internal clock source is selected the current Input Format must be PCM. • If Digital Input or an Internal clock [...]

Model DP569 User’s M anual Front-Panel Menus 4-8 Audio Mode Sets the audio bit in the output bitstream as either audio or non-audio (i.e., data). Default is non-audio. Timecode Input Selects either the LTC or VITC inputs as the timecode input. Mono Channel Allows you to determine the mapping of a mono input source when in 1/0 m ode. Options are c[...]

Model DP569 User’s M anual Front-Panel Menus 4-9 Bypass Mode Is used to route the output of a secondary (standby) encoder to the switched audio output of the primary encoder. See Section 3.1.5. 4.2.6 System Settings This menu gives you access to submenus controlling communication with other devices, and for upgrading software. The submenus are: ?[...]

Model DP569 User’s M anual 4-1[...]

Model DP569 User’s M anual 5-1 Chapter 5 DolbyRemote 5.1 DolbyRemote Overview The DolbyRemote application, version 2.01, is used to rem otely control the DP569. Key features of the software include: • Offline mode, without the pres ence of a unit, to create and edit parameter files. • Save a unit configuration in a file on a PC. Restore the u[...]

Model DP569 User’s M anual DolbyRemote 5-2 Note : It is strongly recommended th at you exit all Windows program s before beginning the installation. 2. Insert the DolbyRemote Software Install Disk 1 into the computer. 3. Click Start and Run. 4. Browse to the DolbyRemote disket te. Select setup.exe and click OK. 5. Please read the Limitation of Li[...]

Model DP569 User’s M anual DolbyRemote 5-3 DolbyRemote ships with a cable for RS-232 connection bet ween a PC and the front- panel of a DP569 en coder. Additional cabl es m ay be purchased fr om Dolby Laboratories. RS-485 connection for the DP569 requires a separate cable, not provided. This connects to the rear panel serial port of the unit. Con[...]

Model DP569 User’s M anual DolbyRemote 5-4 Baud Rate The communication baud rate for the DP569 may be set to 9,600, 19,200 , or 38,400 (the default rate). The baud rate is co nfigurable through the front panel of the encoder. The rate you select in DolbyRemote must match the rate selected in the unit. Address The default address setting for the D[...]

Model DP569 User’s M anual DolbyRemote 5-5 5.3.3 Adding or Remo ving Additional Devices To add additional encoders, click the New button or select File, New Device. The Open Device window is again displayed. See Se ction 5.3 for parameter details. Figure 5-3 Controlling Two Encoders To remove or discontinue the remote control of a device, click C[...]

Model DP569 User’s M anual DolbyRemote 5-6 Make sure that you are either using a RS -232 connection through the front panel or a RS-485 connection through the rear panel. Verify that the baud rate and device a ddr ess of the unit to be controlled match the parameters given to the Dol b yRemote application in the Op en Device window. On the unit, [...]

Model DP569 User’s M anual DolbyRemote 5-7 5.6.1 Audio Service Parameters Figure 5-4 Audio Service Parameters Input Meters show the input level of the channe ls enabled in the current encoding mode in dBFS. Audio Bandwidth displays the current audio bandwidth of the main channels. This is dependent on the number of channels being encoded and the [...]

Model DP569 User’s M anual DolbyRemote 5-8 • Stopped: The user has directed the unit to not encode. 5.6.2 Preprocessing Figure 5-6 Preprocessing Tab Input Level Meter shows the input signal used by th e dynamic range control process to determine the amount of boost or cut required. Line Mode and RF Mode meters show the current value of the dyna[...]

Model DP569 User’s M anual DolbyRemote 5-9 5.6.4 Dual Mono These fields are only applied when the coding m ode is set to 1+1. In this case, these parameters apply to channel 2. Figure 5-8 Dual Mono Tab 5.6.5 Input and Output Settings and Reference Input Figure 5-9 Input/Output Tab[...]

Model DP569 User’s M anual DolbyRemote 5-10 Figure 5-10 Reference Input Lock Status shows whether the input channels have been detected and locked by the encoder. Sample Rate shows the sample rate of the input channels. Integrity shows the data integrity of the inpu t channels. Input Subcode Status Bits show the format, sample rate , emphasis, an[...]

Model DP569 User’s M anual DolbyRemote 5-11 Click on any of the 32 preset buttons to reca ll a user preset. These presets are stored internally within the decoder, not within the DolbyRemote application. Configure Number selects the number of the present you wish to configure, 1 through 27 . Presets 28 through 32 are factory defaults a nd cannot [...]

Model DP569 User’s M anual 5-1[...]

Model DP569 User’s M anual 6-1 Chapter 6 Specifications 6.1 System Block Diagram DSP Proces sing Time C ode Rcvr AES/EBU Receiver AES/EBU Receiver AES/EBU Transmitter Sample Rate Converte r µC Serial Remote Control GPIO Frame sync delay input User Interface Front Panel Local Clock Ref Aux Data SMPTE LTC In RS-485 Rear (RS-422) Control AES3 Digit[...]

Model DP569 User’s Manu al Specifications 6-2 6.2.1 Digital Audio Connections Inputs (Digital In 1/2, 3/4, 5/6), Reference Digital Input (Ref In), Bypass Digital Audio Input (Bypass In) BNC female connectors per AES3ID-1995 Outputs Main Digital Audio Output (M ain Out), Switched Digital Au dio Output (Switched Out ) BNC female connectors per AES3[...]

Model DP569 User’s Manu al Specifications 6-3 6.2.5 Metadata Serial Port 9-pin female D-connector, electric al specifications per SMPTE 207M Table 6-2 Metadata Serial Port Pin-Outs Pin Connection 1 Shield 2 TX A asy nchronous data out – 3 RX B asy nchronous data in + 4 Ground 5 NC 6 Ground 7 TX B asy nchronous data out + 8 RX A asy nchronous da[...]

Model DP569 User’s Manu al Specifications 6-4 6.2.7 Front Panel Remote Control Serial Port (Remote) 8-pin female mini-DIN connector, elect rical specifications per EIA RS-232 Table 6-4 Front Panel Remote Control Serial Port Pin-Outs Pin Connection 1 NC 2 NC 3 RX asynchronous data out 4 Ground 5 TX asynchronous data in 6 NC 7 NC 8 Sense select fro[...]

Model DP569 User’s Manu al Specifications 6-5 6.2.9 General Purpose Status Output Port (GP I/O Out) 9-pin female D-connector, 5 V CM OS output levels (active low) Table 6-6 General Purpose Status Output Port Pin-O uts Pin Connection Comments 1 Fault Power supply or processor/memory fault 2 Not Locked Invalid input or clock source 3 Pass-through V[...]

Model DP569 User’s M anual 6-1[...]

Model DP569 User’s M anual A–1 Appendix A Metadata Metadata provides unprecedented capability for content producers to deliver the highest quality audio to consumers in a range of listening environments. It also provides choices that allow consumers to ad just their settings to best su it their listening environments. In this appendix, we first[...]

Model DP569 User’s Manu al Metadata A–2 program (Program Config: 5.1) to eigh t individual programs on a single Dolby E stream (Program Config: 8 × 1). Each program is discrete with its own metadata in the Dolby E stream. Some control metada ta param eters in a Dolby E stream automatically configure a Dolby Digital en coder while others ar e p[...]

Model DP569 User’s Manu al Metadata A–3 Program Source 5.1-Channel Program T wo-Channel (Stereo) Program DP570 Multichannel Audio Tool in 5.1+2 Program Config DP571 Dolby E Encoder in 5.1+2 Program Config Multichannel Monitor System L/R C/LFE Ls/Rs Lt/Rt The Dolby E bitstream contains both the 5.1- and two-channel programs’ encoded audio, and[...]

Model DP569 User’s Manu al Metadata A–4 Both types of metadata can be exam ined, modified, or passed through during encoding. Table A-1 lists the active metada ta param eters and indicates if each parameter is inform ational or control. Table A-1 Metadata Parameters Extended Bitstream Informatio n parameters are in italics. Metadata Parameter I[...]

Model DP569 User’s Manu al Metadata A–5 When received at the con sumer’s Dolby Digital d ecoder, this parameter setting determines the level shif t in the decoder that se ts, or normalizes, the average audio output of the decoder to a preset level. This aids in matching audio volume between program sources. The proper setting of the dialogue [...]

Model DP569 User’s Manu al Metadata A–6 The most important point to remember is th at in setting the dialogue level parameter, you are providing your listener with an esse ntial service. For y our listeners, setting this level properly means: • The volume level is consiste nt with other programs. • The DRC profiles you make available to the[...]

Model DP569 User’s Manu al Metadata A–7 Note: While the use of DRC m odes during decoding is a co nsumer-selectable feature, the dialogu e level param eter setting is not. T herefore, the proper setting of the dialogue level parameter is essential before pre v iewing a DRC profile. A.3.1 Line Mode Line Mode offers these features: • Low-level [...]

Model DP569 User’s Manu al Metadata A–8 A.3.3 Dynamic Range Control Profiles Six preset DRC profiles are available to content producer s: Film Light, Film Standard, Music Light, Music Standard, Speech, and None. Each is applied in the pattern shown in Figure A-2. All DRC profiles are encoded using a modified B-weighted curve. Input Level Low Hi[...]

Model DP569 User’s Manu al Metadata A–9 • Music Standard Max Boost: 12 dB (below –55 dB) Boost Range: –55 dB to –31 dB (2:1 ratio) Null Band Width: 5 dB (–31 dB to –26 dB) Early Cut Range: –26 dB to –16 dB (2:1 ratio) Cut Range: –16 dB to +4 dB (20:1 ratio) • Speech Max Boost: 15 dB (below –50 dB) Boost Range: –50 dB to [...]

Model DP569 User’s Manu al Metadata A–10 It is important to consider the output signals from each piece of equipment that can receive a Dolby Digital program in the hom e. Table A-2 shows the output types from different equipment. Table A-2 Outputs from Various Dolby Digital Signal Processin g Equipment Output Equipment Digital 5.1-Channel Anal[...]

Model DP569 User’s Manu al Metadata A–11 stereo hi-fi or on headphones, and from which a mono signal is derived for use on an RF/Antenna output. The difference betw een the downmixes is how the surround channels are handled. The Lt/Rt downmix su ms the surround channels and adds them , in-phase to the left channel and out-of-phase to the right [...]

Model DP569 User’s Manu al Metadata A–12 A.5.1 Universal Parameters Universal parameters are present in a ll Dolby Digital encoders and decoders. Dialogue Level The Dialogue Level parameter is discussed in Section A.2. Channel Mode This parameter (also known as audio coding mode ) indicates the active channels within the encoded bitstream and a[...]

Model DP569 User’s Manu al Metadata A–13 whether the LFE Channel parame ter can be set. You must ha ve at least th ree channels in order to be able to add an LFE channel. LFE Channel Setting Enable Disable Bitstream Mode This parameter describes the audio serv ice contained within the Dolby Digita l bitstream. A complete audio program may cons [...]

Model DP569 User’s Manu al Metadata A–14 Bitstream Mode Setting Definition Assc. Commentary © This is typ ically a single-c hannel program inte nded to co nvey ad ditional com mentary that can be optionall y decoded along with the Main Audio Service. This service differs from a Dialogue Service beca use it cont ains an optional, rather than a [...]

Model DP569 User’s Manu al Metadata A–15 Center Downmix Level When the encoded audio has three front channels (L, C, R), but the consumer has only left and right front speakers, this pa rameter indicates the nominal downmix level for the center channel with respect to th e left and right channels. Dolby Digital decoders use this parameter durin[...]

Model DP569 User’s Manu al Metadata A–16 Table A-7 Dolby Surround Mode Dolby Surround Mode Setting Definition Not Dolby Surround default The bitstream contains information that was not Dolby Surround encoded. Dolby Surround The bitstream contains information that was Dolby Surround encoded. After Dolby Digital decoding, the bitstream is Pro Log[...]

Model DP569 User’s Manu al Metadata A–17 Room Type Setting Not Indicated Large Small Copyright Bit This parameter indicates whether the enc oded Dolby Digital bitstream is copyright protected. It has no affect on Dolby Digital decoders and is purely for information. Copyright Bit Setting Yes No Original Bitstream This parameter indicates whethe[...]

Model DP569 User’s Manu al Metadata A–18 frequency signals that are not encoded. At th e suitable data rates this f ilter operates above 20 kHz. In all cases it prevents a liasing on decoding and is normally switched on. This parameter is not passed to the consumer decoder. Lowpass Filter Setting Enable default Disable LFE Lowpass Filter This p[...]

Model DP569 User’s Manu al Metadata A–19 Surround Phase Shift This parameter causes the Dolby Digita l en coder to apply a 90-d egree phase shift to the surround channels. This allows a Dolby Digital decoder to create an Lt/Rt downmix simply. For most material the pha se shift has a m inimal impact when the Dolby Digital program is decoded to 5[...]

Model DP569 User’s Manu al Metadata A–20 Lt/Rt Center Mix Level This parameter indicates the level sh ift app lied to the center channel when adding to the left and right outputs when downmixing to an Lt/Rt output. Its operation is similar to the center downm ix level in the universal m etadata. Lt/Rt Center Mix Level Setting 1.414 (+3.0 dB) 1.[...]

Model DP569 User’s Manu al Metadata A–21 Lo/Ro Center Mix Level Setting 1.414 (+3.0 dB) 1.189 (+1.5 dB) 1.000 (0.0 dB) 0.841 (–1.5 dB) 0.707 (–3.0 dB) 0.595 (–4.5 dB) 0.500 (–6.0 dB) 0.000 (–999 dB) Lo/Ro Surround Mix Level This parameter indicates th e level shift applied to th e surround channels w hen downmixing to a Lo/Ro output. [...]

Model DP569 User’s Manu al Metadata A–22 A/D Converter Type This parameter allows audio that has passe d through a particular A/ D conversion stage to be marked as such so that a decoder may apply the co mplementary D/A pr ocess. A/D Converter Type Setting Standard HDCD A.6 Metadata Combinations Table A- provides examples of combinations of par[...]

Model DP569 User’s Manu al Metadata A–23 Extended Bitstream Information parameters are in italics. Parameter Action Film (5.1) Drama (Lt/Rt) Local News (Mono) Music (5.0) Live Sporting Events (5.0) Room type Large Small N/A Large N/A Copyright Yes Yes Yes Yes Yes Original Bitstream Yes Yes Yes Yes Yes Preferred Stereo Downmix Lt/Rt Lt/Rt N/A Lo[...]

Model DP569 User’s M anual A–1[...]

Model DP569 User’s M anual B–1 Appendix B SMPTE Time Stamp An edited excerpt from Annex B of ATSC Document A/52 (“Digital Audio Compression Standard (AC-3)”) is reproduced below. The Time Stamp Data_type Time stamps are useful in applications wh ere time information must be kept closely associated with encoded audio data (see Figure B-1). A[...]

Model DP569 User’s Manu al SMPTE Time Stamp B–2 timecode values to occur within a s ingle a udio access unit. In th is case, the tim ecode value that applies to the earliest sam ple in the access unit is used. It should be recognized that the time stam p values will have a small am ount of inherent jitter. The sources of the jitter could be, fo[...]

Model DP569 User’s M anual C–1 Appendix C Factory Default Presets Preset Number 28 29 30 31 32 Preset Name Externl Metadata Stereo Film Stereo Mus ic Surround Film Surround Musi c Dialogue Level –27 dB –27 dB –27 dB –27 dB –27 dB Channel Mode 3/2 2/0 Stereo 2/0 Stereo 3/2 3/2 LFE Channel Enabled Disabled Disabl ed Enabled Disabled Dat[...]

Model DP569 User’s Manu al Factory Default Presets C–2 Preset Number 28 29 30 31 32 Preset Name Externl Metadata St ereo Film Stereo Music Surr ound Film Surro und Music Time Stamp Disabled Disabled Disabl ed Disabled Disabled TS Delay Word Disabled Disabled Disabl ed Disabled Disabled Audio Bit Non-Audio Non-Audio Non-Audio Non-Audio Non-Audio[...]

Model DP569 User’s M anual D–1 Appendix D Error Messages This appendix lists possible error message s that may be generated by the DP569. In each case a description of possible setup conf licts are given that may have caused the error. When a conflict o ccurs the param eter that caused the conflict will n ot be updated but returned to its origi[...]

Model DP569 User’s M anual Error Message s D–2 NOT VALID: CHECK INPUT FORMAT • Ref In-SRC On or an Internal Clock Source has been selected and the current Input Format is not PCM . • Time Code Ctrl has been selected as the Encoder State and the current Input Format is not PCM . NOT VALID: CHECK ENCODER STATE • Time Code-based Recall has b[...]

Model DP569 User’s M anual Error Message s D–3 NOT VALID: CHECK CODING DELAY • Internal 44.1 kHz has been selected as the Clock Source and the current Coding Delay is Internal with a delay value less than 204 ms , or Internal 32 kHz has been selected and the current delay value less than 280 ms . NOT VALID: CHECK OUTPUT MODE • The Multiplex[...]

Model DP569 User’s M anual D–1[...]