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Dolby Laboratories DP570 - page 1
Dolby DP570 Multichannel Audio Tool User’s Manual Issue 4 Part Number 91753 ® ...
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Dolby Laboratories DP570 - page 2
ii Dolb y ® DP570 Multichannel Audio T ool User’ s Manual Dolby Laboratories, Inc. Corporate Headquarters Dolby Laboratories, Inc. 100 Potrero Avenue San Francisco, CA 94103 ‐ 4813 USA Telephone 415 ‐ 558 ‐ 0200 Fax 415 ‐ 863 ‐ 1373 www .dolby .com European Headquarters Dolby Laboratories, In ...
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Dolby Laboratories DP570 - page 3
Dolby ® DP570 Multichannel Audio T ool User’ s Manual iii Regulatory Notices FCC NOTE: This equipment has been tested and found to comply with the limits for a Class A digital devi ce, pursuant to Par t 15 of the FCC Rules. Th ese limi ...
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Dolby Laboratories DP570 - page 4
iv Dolby ® DP570 Multichannel Audio T ool User’ s Manual 15. CAUTION: T roubleshooting must be performed by a trained technician. To reduce the risk of electric shock, do not attempt to service this equi pment unless you are qualified to ? ...
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Dolby Laboratories DP570 - page 5
Dolby ® DP570 Multichannel Audio T ool User’ s Manual v IMPORTANT SAFETY NOTICE This unit complies with safety standard EN60065 as appropriate. The unit shall not be exposed to dripping or splashing and no objects filled with liquids, su c ...
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Dolby Laboratories DP570 - page 6
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Dolby Laboratories DP570 - page 7
Dolby ® DP570 Multichannel Au dio Tool User’s Manual vii Table of Contents List of Figures .................. ............. ............. ................ ............. ............. ................ ............. ............ ....... xiii List of Tables ....... ............. ............. ................ ............. ............. ........... ...
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Dolby Laboratories DP570 - page 8
viii Dolby ® DP570 Multichannel Au dio Tool User’s Manual Table of Contents 3.4.1 Reading the Default Status Display ... ....... ................ ............. ............. ................ ... 14 3.4.2 Viewing Status Screens .. ... ............. ... .... ... ... ... .... ... ............. ... ... ... .... ... ... ... ... .......... 14 3.4.3 Re ...
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Dolby Laboratories DP570 - page 9
Table of Contents Dolby ® DP570 Multichannel Au dio Tool User’s Manual ix 5.2.1 Setting the Dialogue Level ........ ................ ............. ................ ............. ................ ...42 5.2.2 Monitoring the Dialogue Level ........... .... ...... ................ ............. ............. ................ 42 5.2.3 Monitoring Down ...
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Dolby Laboratories DP570 - page 10
x Dolby ® DP570 Multichannel Au dio Tool User’s Manual Table of Contents A.3.2 Setting the Master Trim ............. ............. ................ ................ ............. ................ ... 65 A.3.3 Setting the Master Volume ........ ............. ................ ................ ............. ................ ...65 A.3.4 Picking a Ta ...
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Dolby Laboratories DP570 - page 11
Table of Contents Dolby ® DP570 Multichannel Au dio Tool User’s Manual xi D.7 Extended Bitstream Information Parameters ....... ............. ............. ................ ............. ...... 99 D.7.1 Pref erred Stereo Downmix Mode ... ....... ... ............. ............. ............. ................ .... 100 D.7.2 Lt/R t C enter Dow nmix ...
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Dolby Laboratories DP570 - page 12
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Dolby Laboratories DP570 - page 13
Dolby ® DP570 Multichannel Au dio Tool User’s Manual xiii List of Figures Figure 1-1 DP570 Functional Blo ck Diagram ..... ............. ... .... ... ... ............. ... ... .... ... ............. ... ... ... .... .... ... 3 Figure 2-1 Monitor Configuration Tab ................ .......... ............. ................ ............. .......... ...
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Dolby Laboratories DP570 - page 14
xiv Dolby ® DP570 Multichannel Au dio Tool User’s Manual List of Figures Figure C-6 User Presets Submenu . ... ............. ............. ................ ............. ............. ................ ......... ...... 77 Figure C-7 I/O Control Submenu .................. ...... ....... ................ ............. ............. ................ ...
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Dolby Laboratories DP570 - page 15
Dolby ® DP570 Multichannel Audio T ool User’ s Manual xv List of Tables Table 3-1 Front-Panel Navigation Buttons .................. ... ... .... ... ... ............. ... ... .... ... ... ... .... ... ............. .. . ... 12 Table 3-2 Shifted Key Functions .......... ............. ... .... ... ... ... .... ... ... ............. ... ... .... .. ...
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Dolby Laboratories DP570 - page 16
xvi Dolby ® DP570 Multichannel Audio T ool User’ s Manual List of Tables Table D-25 Lo/Ro Surround Downmix Level Settings .......................... ... ... ... ... .... ... ... ... .... ... ... ... ... .... ... . 1 01 Table D-26 Surround EX Mode Settings .... ............ ............. ................. ............ ............. .............. ...
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Dolby Laboratories DP570 - page 17
Dolby ® DP570 Multichannel Audio T ool User’ s Manual 1 Chapter 1 Ov er vie w The Dolby ® DP570 provides unprecedented control and refere nce monitoring for the creation and deliv ery of Dolby Digi tal and Dolby E surround sound as well as metada ...
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Dolby Laboratories DP570 - page 18
2 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Overview level, Pro Logic decoding, and the other functions controlled by metadata and experienced by consumers. The DP570’ s convenient and user ‐ friendly interface simplifies multichannel audi ...
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Dolby Laboratories DP570 - page 19
Principles of Operation Dolby ® DP570 Multichannel Audio T ool User’ s Manual 3 Figure 1 ‐ 1 Figure 1-1 DP570 Functional Block Diagram Emulator (DRC, dialnorm, downmix, P/L decode) Router AES Rcvr x4 AES Xmit x4 D/A x8 Trims x8 Output Bal. x8 Output Bal. (2) Output Bal. AES Rcvr 1/2 3/4 5/6 7/8 Lt/ Rt L L/R Prgm Select Metadata List Mo ...
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Dolby Laboratories DP570 - page 20
4 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Overview The Cat. No. 548 Analog Output Ca rd provides an anal og monitor section and some additional features to ease interfacing to existing mixing and monitoring environments. This opt ...
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Dolby Laboratories DP570 - page 21
Dolby ® DP570 Multichannel Audio T ool User’ s Manual 5 Chapter 2 Getting Star ted This chapter describes the actions necessary to begin using the DP570 in a basic configuration. 2.1 Unp acking and Inspection Before unpacking the un it, inspect the outer carton ? ...
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Dolby Laboratories DP570 - page 22
6 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Getting Star ted 2.3.1 V enting Dolby ® professional audio products are designe d to operate within a temperature range of 5°C to 45°C. They use natural convection cooling and therefore should ...
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Dolby Laboratories DP570 - page 23
Installing the Remote Softwar e Dolby ® DP570 Multichannel Audio T ool User’ s Manual 7 For a discussion of the connector types used for the V Ref connection on the DP570, see Appendix B . 2.3.5 Making a Power Connection The DP570 contains a 90–264 VA C , 5 ...
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Dolby Laboratories DP570 - page 24
8 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Getting Star ted 2.4.3 Hardware Connection To connect the DP570 to its remote control device, use a serial cable from your computer to either the front ‐ panel Remote RS-232 port or the rear ? ...
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Dolby Laboratories DP570 - page 25
Installing the Remote Softwar e Dolby ® DP570 Multichannel Audio T ool User’ s Manual 9 2.4.6 St arting the Remote Software To start the rem ote software: 1. Double ‐ click the program icon. 2. Review the communication settings, and modify them if necessary . 3. Click OK . The ...
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Dolby Laboratories DP570 - page 26
10 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Getting Star ted 2.5 Selecting a Program Configuration The first st ep in monitoring is to select a program configuration that reflects the number of channels within the program(s) you will monitor . ? ...
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Dolby Laboratories DP570 - page 27
Dolby ® DP570 Multichannel Audio T ool User’ s Manual 11 Chapter 3 Contr o lling the DP570 As shown in Figure 3 ‐ 1 , you can control the DP570 in three way s : •D i r e c t l y , by pushing buttons on the front panel of the unit • Remotely , using ...
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Dolby Laboratories DP570 - page 28
12 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Controlling the DP570 Figure 3 ‐ 2 Figure 3-2 Front-Panel Buttons 3.1.1 Main and Shif ted Fun ctions of the Buttons Most of the buttons hav e tw o functions: a main function and a shifted function. Th e main funct ...
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Dolby Laboratories DP570 - page 29
Menu Structures Dolby ® DP570 Multichannel Audio T ool User’ s Manual 13 3.1.5 Using the Program/Preset Buttons Under normal conditions, when the Preset button is not pressed or li t, the buttons labeled 1 , 2 , 3 , and 4 allow you to move betw een ? ...
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Dolby Laboratories DP570 - page 30
14 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Controlling the DP570 3.4.1 Reading the Default St atus Display The default display when the unit pow ers up is the top screen of the status menu shown in Figure 3 ‐ 3 . Figure 3 ‐ 3 Figure 3-3 Default S ta ...
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Dolby Laboratories DP570 - page 31
Monitor ing Status Using the F ront P anel Dolby ® DP570 Multichannel Audio T ool User’ s Manual 15 Basic St atus Indicators The indicators shown in Figure 3 ‐ 4 display the basic status information listed in Ta b l e 3 ‐ 3 . Figure 3 ‐ 4 Figure 3 ‐ 5 Figure 3-4 Basic LED ...
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Dolby Laboratories DP570 - page 32
16 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Controlling the DP570 Figure 3 ‐ 6 Figure 3-5 Channel Activity LED Indicators Channel Activity LED indicator meanings are detailed in Ta b l e 3 ‐ 4 . 3.5 Using the Setup Menu The initial screen of the setup menu is ...
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Dolby Laboratories DP570 - page 33
Using the Setup Menu Dolby ® DP570 Multichannel Audio T ool User’ s Manual 17 3.5.2 Entering T ext In certain situations you will be prompted to enter text. In the text entry window , the firs t line prompts you to ent er text. The second line ...
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Dolby Laboratories DP570 - page 34
18 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Controlling the DP570 3.6 Using the GPI/O Connector Yo u can use this port to connect the DP570 to your studio console or existing control equipment. A stand ‐ alone remote control unit, the Cat. ...
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Dolby Laboratories DP570 - page 35
Using the GPI/O Conn ector Dolby ® DP570 Multichannel Audio T ool User’ s Manual 19 be edge ‐ trig gered. The Act ive S tate column indicates the DP570 state that results when the pin is forced to the logic level indicated, if it is level ‐ tr ...
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Dolby Laboratories DP570 - page 36
20 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Controlling the DP570 Ta b l e 3 ‐ 8 lists the pins av ailable for GPO and GPI functions. GPO Setup Output pins 4 and 7–19 in Figure 3 ‐ 7 and Ta b l e 3 ‐ 8 are user ‐ defined. To define a ? ...
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Dolby Laboratories DP570 - page 37
Using the GPI/O Conn ector Dolby ® DP570 Multichannel Audio T ool User’ s Manual 21 Edge ‐ triggered signals are either positive or negativ e. Lev el ‐ triggered signals are either high or low . The Function menu lets yo u assign a function to the pin ...
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Dolby Laboratories DP570 - page 38
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Dolby Laboratories DP570 - page 39
Dolby ® DP570 Multichannel Audio T ool User’ s Manual 23 Chapter 4 Using the DP570 F eatures This chapter covers each distinct feature of the DP570 in detail. The main power of the Dolby ® DP570 is its ability to accept any program input and ...
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Dolby Laboratories DP570 - page 40
24 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 Featur es 4.3.1 Choosing the Source of Met adat a Normally you will use an entire metadata stream from one source, but that is not required. Yo u control this source choice at three ...
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Dolby Laboratories DP570 - page 41
Gener ating and Adjusting Metadata Dolby ® DP570 Multichannel Audio T ool User’ s Manual 25 Yo u can manu ally modify most of these va l u e s on the metadata tabs of the DolbyRemote 570 application shown in Figure 4 ‐ 1 . Dialogue normalization controls ar ...
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Dolby Laboratories DP570 - page 42
26 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 Featur es 4.3.3 Using External Met adat a When using external metadata, make certain that the val u e s are correct for the program. P articularly when you use external program configurations, ? ...
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Dolby Laboratories DP570 - page 43
T roubleshooting Metada ta Problems Dolby ® DP570 Multichannel Audio T ool User’ s Manual 27 4.4 T roubleshooting Met adat a Problems The DP570 has several status indicators to help troubleshoot metadata ‐ related problems. The front ‐ panel status display shows the metadata ...
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Dolby Laboratories DP570 - page 44
28 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 Featur es 4.7 Measuri ng and Setting the Dialogue Le vel The dialogue level parameter, also known as dialogue normalization or dialnorm , is a vital element in audio content creation. The proper ...
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Dolby Laboratories DP570 - page 45
Measuring and Setting the Dialogue Le vel Dolby ® DP570 Multichannel Audio T ool User’ s Manual 29 va l u e within Dolby E and Dolby Digital bitstreams. The DP570 measurement feature will yield best results when the operator measur es portions of the prog ...
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Dolby Laboratories DP570 - page 46
30 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 Featur es Figure 4 ‐ 6 Figure 4-5 Short-term Measurements Since the short ‐ term measuremen t considers only the previous 10 seconds of program material, the measured va l u e can be much ? ...
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Dolby Laboratories DP570 - page 47
Setting Dynamic Range Control Dolby ® DP570 Multichannel Audio T ool User’ s Manual 31 Figure 4 ‐ 7 To measure di alogue lev el using the remote softw are, use the controls shown in Fig ure 4 ‐ 4 for these steps: 1. Use the Channel Select control to ? ...
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Dolby Laboratories DP570 - page 48
32 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 Featur es and Speech . Each profile is a set of compression parame ters such as ratio, attack, and release. For detailed information, see Secti on D.4 . The Custom adjustment on the ...
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Dolby Laboratories DP570 - page 49
User Presets Dolby ® DP570 Multichannel Audio T ool User’ s Manual 33 Figure 4 ‐ 9 Figure 4-7 User Preset Window 4.10.1 Authoring-Only Preset s Saving an authoring ‐ only preset allows you to test certain com binations of metadat a settings you find useful without al ...
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Dolby Laboratories DP570 - page 50
34 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 Featur es Example Yo u set the emulator to Full (no downmix) with no compression (the def ault for the Custom selection). Yo u then audition a few authoring pr esets until yo ...
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Dolby Laboratories DP570 - page 51
Channel Mapping and Input Routing Dolby ® DP570 Multichannel Audio T ool User’ s Manual 35 Figure 4 ‐ 10 The DP570 input rout er enables you to reroute input channels to conform to the automatically assigned channel mapping. The input router is acti ...
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Dolby Laboratories DP570 - page 52
36 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 Featur es 4.13 Using an External Shaf t En coder to Control Master V olume The master vol um e function is available on DP570s that hav e the Cat. No. 548 Analog Output Card installed. The GPI/O ...
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Dolby Laboratories DP570 - page 53
Stic ky Settings Dolby ® DP570 Multichannel Audio T ool User’ s Manual 37 Unity Gain mode is enabled by default. To turn Unity Gain mode off: 1. Click Setup in the Main window to open the Setup window . 2. Uncheck the Unity Gain Mode box ? ...
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Dolby Laboratories DP570 - page 54
38 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 Featur es 4.20 Master T rim and Master Volume The Master Tr i m slider , Figure 4 ‐ 10 , allows you to raise or low er the vol um e of the signal input to the DP570 before processing b ...
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Dolby Laboratories DP570 - page 55
Dolby Pr o Logic I I Suppor t Dolby ® DP570 Multichannel Audio T ool User’ s Manual 39 Matrix is primarily for radio rece ption in cars. It is essent ially the same as the origina l passive Dol by Surround decoder without the direction al steering pro ...
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Dolby Laboratories DP570 - page 56
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Dolby Laboratories DP570 - page 57
Dolby ® DP570 Multichannel Audio T ool User’ s Manual 41 Chapter 5 Using the DP570 in DVD Master ing During the DVD mastering process, it is important to experience the program in the same wa y a viewer will in the home so that yo u can assess ...
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Dolby Laboratories DP570 - page 58
42 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 in DV D M a s t e r i n g 5.2 T ypical T asks The DP570 is used in the monit or chain to emulate a consumer ʹ s listening environme nt. 5.2.1 Setting the Dialogue Level As the mix is nearing completion ...
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Dolby Laboratories DP570 - page 59
Using the DP570 with Other Dolb y Equipment Dolby ® DP570 Multichannel Audio T ool User’ s Manual 43 Once a Dialogue Lev el val ue has been selected, either short ‐ term or infinite measurements can be used depending on you r preference. Again, see Section ...
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Dolby Laboratories DP570 - page 60
44 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 in DV D M a s t e r i n g 5.4 Most Import ant Met adat a The following hig hest ‐ priority parameters have the greatest impact on your wo rk . We suggest yo u address them in this order: 1. Program ? ...
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Dolby Laboratories DP570 - page 61
Dolby ® DP570 Multichannel Audio T ool User’ s Manual 45 Chapter 6 Using the DP570 in Liv e Remote Br oadcast In preparation for and during a live remote broadcast, it is important to exper ience the audio program the same way a viewer will in the ...
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Dolby Laboratories DP570 - page 62
46 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 in Li ve Remote Broadcast Figure 6 ‐ 1 Figure 6-1 T y pical Live Remote Transmission Setup 6.2 T ypical T asks A chief purpose of the DP570 in a live remote environment is to provide downmixing emulation, ...
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Dolby Laboratories DP570 - page 63
Ty p i c a l Ta s k s Dolby ® DP570 Multichannel Audio T ool User’ s Manual 47 Figure 6 ‐ 2 Figure 6-2 T ypical Downmix Parameters Further , you can assess whether the announcer ʹ s voic e will surviv e during a Pro Logic ® or Pro Logic II decode from a ? ...
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Dolby Laboratories DP570 - page 64
48 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 in Li ve Remote Broadcast 6.2.2 Monitoring the Dialogue Level As you wo r k, check the dialogue lev el indicators—the yell o w numbers shown in Figure 6 ‐ 3 —frequently . Make adjustments to the mix ? ...
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Dolby Laboratories DP570 - page 65
Impor tance of Pr esets Dolby ® DP570 Multichannel Audio T ool User’ s Manual 49 •L t / R t surround downmix lev el •L o / R o Center downmix level •L o / R o surround mix lev el 6.6 Import ance of Presets In a live broadc ast situation, the abilit y to preview metadat ...
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Dolby Laboratories DP570 - page 66
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Dolby Laboratories DP570 - page 67
Dolby ® DP570 Multichannel Audio T ool User’ s Manual 51 Chapter 7 Using the DP570 in Postpr oduction The DP570 can be used in a var i e t y of postproduction settings. We discuss one example. The instructions in this section allow you to use the DP57 ...
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Dolby Laboratories DP570 - page 68
52 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 in Postpr oduction 7.2 T ypical T asks The DP570 is used in the monit or chain to emulate the consumer ʹ s listening environment. 7.2.1 Measuring Dialogue Level As the mix is near ing completion, u ...
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Dolby Laboratories DP570 - page 69
Using the DP570 with Other Dolb y Equipment Dolby ® DP570 Multichannel Audio T ool User’ s Manual 53 7.2.3 Monitoring Downmixes Once a Dialogue Leve l va l u e has been set and a measurement mode selected, check downmixes and make any adjustments necessary so tha ...
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Dolby Laboratories DP570 - page 70
54 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 in Postpr oduction 7.4 Most Import ant Met adat a The following hig hest ‐ priority parameters have the greatest impact on your wo rk . We suggest yo u address them in this order: 1. Program confi ...
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Dolby Laboratories DP570 - page 71
Dolby ® DP570 Multichannel Audio T ool User’ s Manual 55 Chapter 8 Using the DP570 in Master Contr ol Dolby ® E encoding is commonly used to distribute multichannel au dio from a network center to multiple affiliate stations, usually via satellite or optical ...
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Dolby Laboratories DP570 - page 72
56 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 in Master Control Figure 8 ‐ 1 Figure 8 ‐ 2 Figure 8-1 T ypical Master Control Setup 8.2 T ypical T asks Wit h in a multichannel master control environment, it is necessary to experience the program, bo ...
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Dolby Laboratories DP570 - page 73
Ty p i c a l Ta s k s Dolby ® DP570 Multichannel Audio T ool User’ s Manual 57 Figure 8 ‐ 3 Figure 8-2 T y pi cal Downmix Options Or , if a viewer complains about the audio quality on a mono televi sion when viewing a 5.1 program, the MC operator can ? ...
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Dolby Laboratories DP570 - page 74
58 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 in Master Control 8.3 Using Unity Gain Mode Unity Gain mode should be off to best emulate a consumer ʹ s listening experience. To compare between off ‐ air (for example, consumer emulation) ? ...
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Dolby Laboratories DP570 - page 75
Dolby ® DP570 Multichannel Audio T ool User’ s Manual 59 Appendix A Configur ing a Monitor System Configuring the monitor sys tem to establish a balance between all channels and to ensure that all speakers play back at the correct leve l relative to ? ...
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Dolby Laboratories DP570 - page 76
60 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Configuring a Monitor System Figure A ‐ 2 Figure A-2 Monitor Setup T ab A.1.2 Selecting Analog Outp ut s The sys tem automati cally detects the presence of the Cat No. 548 Analog Output Card, and checks the Analo ...
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Dolby Laboratories DP570 - page 77
Assign ing Monito r System Co nfigurat ion Settin gs Dolb y ® DP570 Multichannel Audio T ool User’ s Manual 61 •I f no subwoofer is av ailable, redirect the LFE channel to the Left and Right channel decoder outputs. Bass Management This option determines how low ? ...
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Dolby Laboratories DP570 - page 78
62 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Configuring a Monitor System A.1.4 Choosing Back Surround Speakers The setting records the number of back surround speakers you ha ve in you r monitoring system. The defaul t is None . If this not corre ...
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Dolby Laboratories DP570 - page 79
Setting Delay Values Dolb y ® DP570 Multichannel Audio T ool User’ s Manual 63 3. Click Enabled to turn Panorama on. It is disabled by default. A.2 Setting Delay V alues For optimal performance, signals from all the speakers should arriv e at the reference ? ...
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Dolby Laboratories DP570 - page 80
64 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Configuring a Monitor System Surround Delay C minus S (C – S), the shorter of the two surr ound speaker distances, equals the surround delay setting in ms. Calculating Pro Logic Delay Pro Logic de ...
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Dolby Laboratories DP570 - page 81
Calibrating Speaker Playback Levels Dolb y ® DP570 Multichannel Audio T ool User’ s Manual 65 Figure A ‐ 7 Figure A-7 Digital Reference Level A.3.2 Setting the Master T rim Set the Mast er Tr i m shown in Figure 4 ‐ 10 to 0 . A.3.3 Setting the Master V olu me Before generating test noise, ? ...
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Dolby Laboratories DP570 - page 82
66 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Configuring a Monitor System A.3.5 Generating T est Noise The DP570 generates two ki nds of test noise: pink and filtered. Pink noise exerts an equal sound pressure level across the entire spectrum. ...
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Dolby Laboratories DP570 - page 83
Calibrating Speaker Playback Levels Dolb y ® DP570 Multichannel Audio T ool User’ s Manual 67 Figure A ‐ 8 Figure A-8 Multichannel Trims Controls When you have set trim levels for al l you r speakers, click the test noise control shown in Figure A ‐ 2 directly ? ...
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Dolby Laboratories DP570 - page 84
68 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Configuring a Monitor System A.3.10 Calibrating Emulator Output If you r DP570 does not include the Cat. No. 548 Analog Output Card, calibrate your speaker sy stem using the emulator outputs and externa ...
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Dolby Laboratories DP570 - page 85
Dolby ® DP570 Multichannel Audio T ool User’ s Manual 69 Appendix B Connector Specifications This appendix gives specifications and pinouts for all the connectors used on the DP570, and the cables that can be used to connect to it. B.1 Front-Panel Rem ...
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Dolby Laboratories DP570 - page 86
70 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Connector Specifications B.4 Video Ref The Vi de o Re f connections are BNC unbalanced female connectors that rece ive NTSC composite programs or color black video. Si gnal level s are compliant with SM ...
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Dolby Laboratories DP570 - page 87
Rear-Panel Remote Dolb y ® DP570 Multichannel Audio T ool User’ s Manual 71 B.8 Rear-Panel Remote This is a 9 ‐ pin female RS ‐ 485 D ‐ connector . The pinout is SMPTE 207M electrical/mechanical specification compat ible. B.9 10Base-T Port (Ethernet) The Ethernet port is ? ...
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Dolby Laboratories DP570 - page 88
72 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Connector Specifications B.1 1 Stereo/Mono/Solo Analog Output This is a 25 ‐ pin female D ‐ connector . B.12 GPI/O Connector For details of the GPI/O connector , see Assigning GPI/O Functions to Specific Pins on ? ...
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Dolby Laboratories DP570 - page 89
Dolby ® DP570 Multichannel Audio T ool User’ s Manual 73 Appendix C Fr ont-P anel Menus This appendix illustrates the unit front ‐ panel menus as trees. The Setup men u begins on this page. The Status menu is shown in Status Menu on page 81. ...
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Dolby Laboratories DP570 - page 90
74 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Fr ont-P anel Menus C.3 Met adat a Params Submenu Figure C ‐ 2 Figure C-2 Metadata Parameters Submenu ...
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Dolby Laboratories DP570 - page 91
Measure Contr ol Submenu Dolby ® DP570 Multichannel Audio T ool User’ s Manual 75 C.4 Measure Control Submenu Figure C ‐ 3 Figure C-3 Measure Control Submen u Measure Control Set Dialogue Lev Dialogue Lev –27dB Measure Control Measure Mode Measure Control Measure Reset Measure Control Channel Select Measure Control Measure Meth od Se ...
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Dolby Laboratories DP570 - page 92
76 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Fr ont-P anel Menus C.5 Monitor Control Submenu Figure C ‐ 4 Figure C-4 Monitor Control Submenu C.5.1 Dolby Pro Logic II Submenu Figure C ‐ 5 Figure C-5 Pro Logic II Submenu Monit or Cont rol Program Select Monitor Control Lt/Rt Input Monitor Control Extended BSI Monito ...
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Dolby Laboratories DP570 - page 93
User Preset s Submenu Dolby ® DP570 Multichannel Audio T ool User’ s Manual 77 C.6 User Preset s Submenu Figure C ‐ 6 Figure C-6 User Presets Submenu C.7 I/O Control Submenu Figure C ‐ 7 Figure C-7 I/O Control Submenu U s er P res et s R ec al l P res et R ec al l P res et 0 1 X Pr e se t N a me U s er P res e t s Sa ve Pr e ...
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Dolby Laboratories DP570 - page 94
78 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Fr ont-P anel Menus C.7.1 Router Config Submenu Figure C ‐ 8 Figure C-8 Router Config Submenu C.7.2 GPI/O Setup Submenu Figure C ‐ 9 Figure C-9 GPI/O Setup Submenu Router Out 1 Audio In 1 Save Router Preset 1 Router Config Router Pres ets Router Presets Recall Router Ro ...
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Dolby Laboratories DP570 - page 95
Monitor Conf ig Submenu Dolby ® DP570 Multichannel Audio T ool User’ s Manual 79 C.8 Monitor Config Submenu Figure C ‐ 10 Figure C-10 Monitor Config Menu C.8.1 Speaker Config Submenu Figure C ‐ 11 Figure C-1 1 Speaker Config Submenu Monitor Config Speak er Co nfi g Monitor Config Speaker Delays Monitor Config Speake r Tr ims ...
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Dolby Laboratories DP570 - page 96
80 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Fr ont-P anel Menus C.8.2 Speaker T rims Submenu Figure C ‐ 12 Figure C-12 S peake r T rims Submenu Spe a ke r T r ims Master Tr im Spe a ke r T r ims Test N ois e Spe a ke r T r ims Sp e a ker Sel e ct Spe a ke r T r ims M ul t i c han Ls Spe a ke r T r ims Multic ha n R Spe a k ...
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Dolby Laboratories DP570 - page 97
Status Menu Dolby ® DP570 Multichannel Audio T ool User’ s Manual 81 C.9 S t atus Menu Figure C ‐ 13 Figure C-13 S tatus Menu Metadata Par ams En te r t o Vi e w 5 .1+ 2 Internal P r ogr am 3/ 2 27 Master Volume Er r or St at u s En te r t o Vi e w Audi o Input Vi deo Ref User Pr eset Fi rmw a re V e rs i o n Pr ess En t e r t o vie w ...
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Dolby Laboratories DP570 - page 98
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Dolby Laboratories DP570 - page 99
Dolby ® DP570 Multichannel Audio T ool User’ s Manual 83 Appendix D A Guide to Dolb y Metadata Metadata provides unprecedented capability for content producers to deliver the highest quality audio to consumers in a range of listening environments. It also ...
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Dolby Laboratories DP570 - page 100
84 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata Dolby E is a professional technology us ed for broadcast applications, such as program origination and distribution; the Dolby E bitstream carries the entire metadata p ...
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Dolby Laboratories DP570 - page 101
Metadata Overview Dolby ® DP570 Multichannel Audio T ool User’ s Manual 85 There are two functional classifications of metadata: Professional—These parameters are carried only in the Dolby E bits tream. They are used to automatically configure a dow ...
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Dolby Laboratories DP570 - page 102
86 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata Special Parame ters There are professional parameters in the Dolby E bitstream that are not under direct user control, such as Timecode and Pitch Shift. Timecode Dolby E ? ...
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Dolby Laboratories DP570 - page 103
Dynamic Range Control Dolby ® DP570 Multichannel Audio T ool User’ s Manual 87 Dolby Digital consumer decode rs normalize the av erage output lev el—that is , the output level av eraged ov er time—to –31 dB FS (31 dB below 0 dB full ‐ scale di ...
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Dolby Laboratories DP570 - page 104
88 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata The Dolby Digital stream carries metad ata for the tw o possible operating modes in the decoder . The operating modes are known as Line mode and RF mode due ...
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Dolby Laboratories DP570 - page 105
Dynamic Range Contr ol Pr ofiles Dolby ® DP570 Multichannel Audio T ool User’ s Manual 89 In some situations it may be nec essary to further constrain signal peaks abov e the av erage dialogue level so that there is less than 20 dB headroom. T ...
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Dolby Laboratories DP570 - page 106
90 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata • Speech Max Boost: 15 dB (below –50 dB) Boost Range: –50 to –31 dB (5:1 ratio) Null Band Wi d t h : 5 dB (–31 to –26 dB) Early Cut Range: –26 to ...
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Dolby Laboratories DP570 - page 107
Downmixing Dolby ® DP570 Multichannel Audio T ool User’ s Manual 91 Set ‐ top boxes, used to receiv e terre strial, cable, or satell ite digital television, typically offer an analog mono signal modulated on the RF/antenna output, a line ‐ level a ...
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Dolby Laboratories DP570 - page 108
92 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata There are separate metadata pa rameters that govern the Lo/Ro and Lt/Rt downmixes. Certain metadata parameters allow the engineer to select how the stereo downmix is ? ...
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Dolby Laboratories DP570 - page 109
P arameter Definitions Dolby ® DP570 Multichannel Audio T ool User’ s Manual 93 each program contains its own metadata. The default setting is 5.1+2. Ta b l e D ‐ 3 shows all the av ailable configurations. Program Description T ext This is a 32 ‐ character ASCII ...
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Dolby Laboratories DP570 - page 110
94 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata Figure D ‐ 3 LFE Channel The status of the LFE Channel parameter indicates to a Dolby Digital encoder whether an LFE channel is present within the bitstream. Channel ...
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Dolby Laboratories DP570 - page 111
P arameter Definitions Dolby ® DP570 Multichannel Audio T ool User’ s Manual 95 Line Mode Compression Prof ile and RF Mode Compression Profile For details of the av ailable profiles, see Section D.4 . RF Overmodulation Protection This parameter is designe d to protect against overmodulation ...
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Dolby Laboratories DP570 - page 112
96 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata Center Downmix Level When the encoded audio has thr ee front channels (L, C, R), but the consumer has only tw o front speaker s (left and right), this parameter indicat ...
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Dolby Laboratories DP570 - page 113
P arameter Definitions Dolby ® DP570 Multichannel Audio T ool User’ s Manual 97 Audio Production Information This parameter indicates whether the mixing lev el and room type val u e s are va l i d . Ye s indicates that a receiver or amplifier can use these ? ...
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Dolby Laboratories DP570 - page 114
98 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata Original Bit stream This parameter indicates whether the encoded Dolby Digital bitstream is the master ver s io n or a copy . It has no effect on Dolby Digital decoder s ? ...
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Dolby Laboratories DP570 - page 115
Extended Bitstream Information Par ameters Dolby ® DP570 Multichannel Audio T ool User’ s Manual 99 frequencies above 12 0 Hz that wo u ld cause aliasing when decoded. This filter should only be switched off if the audio to be enco ded is known to ...
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Dolby Laboratories DP570 - page 116
100 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata AT S C document A/52. The revised definitions allow more information to be carri ed about the audio program and also allow more choic es for stereo downmixing. When ? ...
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Dolby Laboratories DP570 - page 117
Extended Bitstream Information Par ameters Dolby ® DP570 Multichannel Audio T ool User’ s Manual 101 D.7.3 Lt/Rt Surround Downmix Level This parameter indicates the level shift applied to the surround channels when downmixing to an Lt/Rt output. Its operation is simi ...
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Dolby Laboratories DP570 - page 118
102 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata D.7.6 Surround EX Mode This parameter is used to identify the encoded audio as material encoded in Surround EX TM . This parameter is only used if the encoded audio ha ...
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Dolby Laboratories DP570 - page 119
Metadata Combinations Dolby ® DP570 Multichannel Audio T ool User’ s Manual 103 Center Dwnmix Lev –0.707 dB (–3 dB) N/A N/A –0.707 dB (–3 dB) –0.707 dB (–3 dB) Srnd Dwnmix Lev –0.707 dB (–3 dB) N/A N/A –0.707 dB (–3 dB) –0.707 dB (–3 dB) Dolby Srnd Mo ...
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Dolby Laboratories DP570 - page 120
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Dolby Laboratories DP570 - page 121
Dolby ® DP570 Multichannel Audio T ool User’ s Manual 105 A/D Converter Type ................. .............. ............... 102 Analog Output Master Volume ......... .............. ...... 17 Applications Digital Television ................. .............. .............. ..... 4 DVD Mastering .............. ......... ...
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Dolby Laboratories DP570 - page 122
106 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Index LFE Channel .................... .............. .............. .............. 94 LFE Lowpass Filter ............. .............. ................. ...... 98 Live Remote Broadcast ................ .............. ........ 45 – 49 Connecting the DP570 .... ...
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Dolby Laboratories DP570 - page 123
Index Dolby ® DP570 Multichannel Audio T ool User’ s Manual 107 RF Overmodulation Protection ...................... ........ 95 Room Type ............. .............. .............. ............... ........ 97 Safety .................... ................. .............. ............... ... iii – iv Setup Menu ............... .. ...
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