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Table of contents for the manual
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Dolby DP570 Multichannel Audio Tool User’s Manual Issue 3 Part Number 91753 ®[...]
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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, Inc. Wootton Bassett Wiltshire SN4 8QJ England Telephon[...]
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Dolby ® DP570 Multichannel Audio Tool User’s Manual iii Table of Contents List of Figures ............... ................ ................ ................ ................ ................ ................. ............... ....... viii List of Tables ............. ................. ................ ................ ................ ...........[...]
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iv Dolby ® DP570 Multichannel Audio Too l User’s Manual 3.5 Using the Setup Menu...... .... ... ... ... .... ... ... ... ... ................. ... ... ................ ... .... ... ................ ... ....... ...... 18 3.5.1 Selecting Parameters ... ... ... ... .... ... ... ................ ... .... ... ... ... ................ .... ... ... ...[...]
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Dolby ® DP570 Multichannel Audio Tool User’s Manual v 5.3 Using the DP570 with Other Dolby Equipment .... ... ................ ................ ................. ................ ...... 45 5.4 Most Important Met adata .............. ................ .................... ................ ................ ................ .. ........... 45 Chapter[...]
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vi Dolby ® DP570 Multichannel Audio Tool User’s Manual A.3.5 Generating Test Noise....... ... .... ... ... ... ... .... ... ... ... .... ... ... ... .... ... ... ... ................ .... ... ... ... ... ... . ...... 68 A.3.6 Increasing the System Volu me .......... ................ ................. ................ ................... ........[...]
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Dolby ® DP570 Multichannel Audio Tool User’s Manual vii D.7.3 Lt/Rt Surround Downmix Lev el....... ................... ....................... ................... .................... .... 1 02 D.7.4 Lo/Ro Center Downmix Level...... ................... .................... ................... ................... ........... 1 02 D.7.5 Lo/Ro Surr[...]
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Dolby ® DP570 Multichannel Audio Tool User’s Manual viii List of Figures Figure 1-1 DP570 Functional Block Diagram ............ ......... .... ................ ................ ................... .............. 3 Figure 2-1 Monitor Configuration Tab .......... ... ... ... .... ... ... ... .... ... ... ................ ... .... ... ... .........[...]
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List of Figures Dolby ® DP570 Multichannel Audio Tool User’s Manual ix Figure C-4 Monitor Control Submenu . ... .... ... ... ................ ... .... ... ... ... ................ .... ... ... ... ................ .... ... .. 77 Figure C-5 Pro Logic II Submenu .......... .... ... ... ... ... .... ... ... ... .... ................ ... ... ... ...[...]
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x Dolby ® DP570 Multichannel Audio Tool User’s Manual List of Figures[...]
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Dolby ® DP570 Multichannel Audio Tool User’s Manual xi List of Tables T able 3-1 Front-Panel Nav igation Buttons .............. .... ... ... ... .... ................ ... ... ... .... ... ................ ... ... .... ... ... 14 T able 3-2 Shifted Key Func tions .......... ................... ....... ............. ................ ..............[...]
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xii Dolby ® DP570 Multichannel Audio Tool User’s Manual List of Table s T able D-28 Metadata Combinations ....... ................ .................... ................ ................ ................... ........... 1 04[...]
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Dolby ® DP570 Multichannel Audio Tool User’s Manual 1 Chapter 1 Ov er view The Dolby ® DP570 provides unprecedented control and refere nce monitoring for the creation and delivery of Dolby Digital and Dolby E surround sound as well as metadata ?[...]
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2 Dolby ® DP570 Multichannel Audio Tool User’s Manual Overvi ew Principles of Operation level, Pro Logic decoding, and the other functions controlled by metadata and experienced by consumers. The DP570’ s conv enient and user ‐ friendly interface simplifies ?[...]
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Overvi ew Principles of Operation Dolby ® DP570 Multichannel Audio Tool User’s Manual 3 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 Mode Spkr select[...]
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4 Dolby ® DP570 Multichannel Audio Tool User’s Manual Overvi ew Main Applications The Cat. No. 548 Analog Option Card provides an analog monitor secti on and some additional features to ease interfacing to existing mixing and monitoring environments. [...]
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Dolby ® DP570 Multichannel Audio Tool 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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6 Dolby ® DP570 Multichannel Audio Tool User’s Manual Getting Star ted Installing the DP570 2.3.1 V enting Dolby ® professional audio products are designed to operate within a temperature range of 5°C to 45°C. They use natural convection cooling and theref[...]
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Getting Star ted Installing the Remote Software Dolby ® DP570 Multichannel Audio Tool User’s Manual 7 If there is no video input or the video input fails, the DP570 generates a default fra me based on 1,536 samples at the current audio clock r[...]
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8 Dolby ® DP570 Multichannel Audio Tool User’s Manual Getting Star ted Installing the Remote Software 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 po[...]
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Getting Star ted Installing the Remote Software Dolby ® DP570 Multichannel Audio Tool User’s Manual 9 To end remote operation and resume using the front ‐ panel interface, press Shif t then again. 2.4.6 St arting the Remote Software To start the remot e softw are: 1. Double[...]
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10 Dolby ® DP570 Multichannel Audio Tool User’s Manual Getting Star ted Selecting a Program Configuration Figure 2- 1 Monitor Configuration T ab 2.5 Selecting a Program Configuration The first step in monitoring is to select a program configuration that reflects the number of channe[...]
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Getting Star ted Selecting a Program Configuration Dolby ® DP570 Multichannel Audio Tool User’s Manual 11 Figure 2- 2 Program Configuration Selecto r[...]
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12 Dolby ® DP570 Multichannel Audio Tool User’s Manual Getting Star ted Selecting a Program Configuration[...]
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Dolby ® DP570 Multichannel Audio Tool User’s Manual 13 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 the[...]
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14 Dolby ® DP570 Multichannel Audio Tool User’s Manual Controlling the DP570 Using the Front-Panel Buttons 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. The main [...]
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Controlling the DP570 Menu Structures Dolby ® DP570 Multichannel Audio Tool User’s Manual 15 3.1.4 Other Shif ted Functions When the Shift button is pressed and li t, the other keys hav e the functions listed in Ta b l e 3 ‐ 2. 3.2 Menu Structures The DP570 front panel[...]
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16 Dolby ® DP570 Multichannel Audio Tool User’s Manual Controlling the DP570 Monitoring Status Using the Front Panel Figure 3- 3 Default S tatus Menu Screen The main status display includes fiv e elements: 1. Program configuration: can contain any of the supported program configurations[...]
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Controlling the DP570 Monitoring Status Using the Front Panel Dolby ® DP570 Multichannel Audio Tool User’s Manual 17 Basic St atus Indicators The indicators shown in Figure 3 ‐ 4 display the basic status information listed in Ta b l e 3 ‐ 4. Figure 3- 4 Basic LED Indicators Channel S t atus[...]
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18 Dolby ® DP570 Multichannel Audio Tool User’s Manual Controlling the DP570 Using the Setup Menu 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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Controlling the DP570 Using the Setup Menu Dolby ® DP570 Multichannel Audio Tool User’s Manual 19 If the cursor is flashing after an option val u e , that op tion is not currently selected. Press Enter to select it. Pressing Esc at an option with [...]
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20 Dolby ® DP570 Multichannel Audio Tool User’s Manual Controlling the DP570 Using the GPI/O Connector 3.5.6 Analog Output Master V olume Press Shif t , Enter to access the master volu m e control for the optional analog outputs. Use the arrow buttons to adjust the v[...]
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Controlling the DP570 Using the GPI/O Connector Dolby ® DP570 Multichannel Audio Tool User’s Manual 21 Ta b l e 3 ‐ 7 provides a description for functions that can be assigned to GPI pins. Some functions have restrictions on the polarity or trigger type. ?[...]
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22 Dolby ® DP570 Multichannel Audio Tool User’s Manual Controlling the DP570 Using the GPI/O Connector 3.6.2 Assigning GPI/O Functi ons to S pecific Pins The GPI/O port is a female 37 ‐ pin D ‐ connector. See Figure 3 ‐ 7 to identi fy pin number s. Figure 3- 7 GPI/O Pin Numbers Ta b l[...]
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Controlling the DP570 Using the GPI/O Connector Dolby ® DP570 Multichannel Audio Tool User’s Manual 23 GPO Setup Output pins 4 and 7–19 in Figure 3 ‐ 7 and Ta b l e are user ‐ defined. To define a function for an output pin, enter the GPO Setup menu [...]
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24 Dolby ® DP570 Multichannel Audio Tool User’s Manual Controlling the DP570 Using the GPI/O Connector The Function menu lets yo u assign a function to the pin yo u have selected.[...]
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Dolby ® DP570 Multichannel Audio Tool User’s Manual 25 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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26 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 Features Generating and Adjusting Metadata 4.3.1 Choosing the Source of Met adat a Normally yo u will use an entire metadata stream from one source, but that is not required. Yo u control this source [...]
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Using the DP570 Features Generating and Adjusting Metadata Dolby ® DP570 Multichannel Audio Tool User’s Manual 27 Yo u can manuall y modify most of these val u e s on the metadata tabs of the DolbyRemote 570 application shown in Figure 4 ‐ 1. Dialogue normaliza[...]
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28 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 Features Generating and Adjusting Metadata Example 1—Overriding an Individual Parameter V alue We ’ l l assume you are using an external metadata stream. The output of the DP570 is feeding a DP571 or [...]
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Using the DP570 Features Troubleshootin g Metadata Problems Dolby ® DP570 Multichannel Audio Tool User’s Manual 29 Figure 4- 2 Adding a Second Progra m 4.4 T roubleshooting Metadat a Problems The DP570 has several status indicators to help troubleshoot metadata ‐ related problems. The front ‐ panel[...]
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30 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 Features Monitoring Downmixes 4.6 Monitoring Downmixes The DP570 allows you to audition va ri o u s downmixes before finalizing the content. Previewing downmix conditions is essential in providing the[...]
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Using the DP570 Features Measuring and Setting the Di alogue Level Dolby ® DP570 Multichannel Audio Tool User’s Manual 31 characters with different voc al qualities. In programs without dialogue, such as a music concert, sections of av erag e level need to be ide[...]
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32 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 Features Measuring and Setting the Dialogue Le vel This process allows you to accurately estimate the average level of all of the individual dialogue sections. 1 The term representative se ction i[...]
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Using the DP570 Features Measuring and Setting the Di alogue Level Dolby ® DP570 Multichannel Audio Tool User’s Manual 33 the short ‐ term measurement, as they find the informat ion on near ‐ term dynamics to be ver y usefu l when mixing or producing a program. ?[...]
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34 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 Features Setting Dynamic Range Control 3. The default measurement mode is Infinite. Click the Infin ite or Short Te r m button to move back and forth between the modes. The softw are displ[...]
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Using the DP570 Features User Presets Dolby ® DP570 Multichannel Audio Tool User’s Manual 35 4.10 User Preset s Yo u can save sy stem se ttings in up to 32 separate presets for quick recall in the Setup User Presets window shown in Figu re 4 ‐ 7. Yo u ?[...]
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36 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 Features Using Lt/Rt Input Mode 4.10.2 Emulator-Only Presets Emulator presets are particularly useful for checking specific combinations of downmix and comp ressio n modes, perhaps on a differe nt speaker[...]
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Using the DP570 Features Channel Mapping and Input Routing Dolby ® DP570 Multichannel Audio Tool User’s Manual 37 For an example of monitoring a Dolby Surround progra m while creating metadata for a 5.1 ‐ channel program, see Using the DP570 in P ostproduction [...]
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38 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 Features Using an External Shaft Encoder to Control Master Volume The DP570 input rout er enables you to reroute input channels to conform to the automatically assigned channel mapping. The input [...]
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Using the DP570 Features Emulator Bypass Dolby ® DP570 Multichannel Audio Tool User’s Manual 39 Ta b l e 4 ‐ 6 describes the electrical characteristics. 4.14 Emulator Byp ass When you enable Emulator Bypass , the front ‐ panel Esc button is illuminated. In this mode, the[...]
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40 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 Features Sticky Settings 4.17 Sticky Settings When you enable Sticky Settings , yo ur last settings for dynamic range control profiles, downmix, speaker selection, LFE mon itor , master volum e, a[...]
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Using the DP570 Features Dolby Pro Logic II Support Dolby ® DP570 Multichannel Audio Tool User’s Manual 41 The master Vo l u m e slider allow you to raise or lower the volu m e of all the outputs simultaneously . 4.21 Dolby Pro Logic II Support The DP570 supports four ?[...]
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42 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 Features Dolby Pro Logic II Support Panorama mod e sends the stereo signal to the surround speakers as well as the front Left and Right. The P anorama setting is disregarded if the[...]
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Dolby ® DP570 Multichannel Audio Tool User’s Manual 43 Chapter 5 Using the DP570 in D VD Master ing During the DVD mastering process, it is important to experie nce the program in the same wa y a viewer wil l in the home so that you can assess[...]
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44 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 in D VD Master ing Typical Tasks 5.2.1 Setting the Dialogue Level As the mix is nearing completion, use the dialogue level indicators in DolbyRemote 570 shown in Figure 5 ‐ 2 during a representativ [...]
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Using the DP570 in D VD Master ing Using the DP570 with Other Dolby Equipment Dolby ® DP570 Multichannel Audio Tool User’s Manual 45 5.2.3 Monitoring Downmixes Once dialnorm has been set and a measur ement mode selected, check downmixes and make any adjustments necessary so [...]
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46 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 in D VD Master ing Most Important Metadata 3. Dialogue level: the dialnorm parameter . Compare the measured va l u e (shown in yel lo w numbers) to the dialnorm metadata parameter va l u e (shown [...]
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Dolby ® DP570 Multichannel Audio Tool User’s Manual 47 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 h[...]
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48 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 in Live Remote Broadcast Typical Tasks Figure 6- 1 T ypical Live Remote T ransmission Setup 6.2 T ypical T asks A chief purpose of the DP570 in a live remote environment is to provide downmixing emulation, which [...]
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Using the DP570 in Live Remote Broadcast Typical Tasks Dolby ® DP570 Multichannel Audio Tool User’s Manual 49 Figure 6- 2 T ypical Downmix Parameters Further , you can assess whether the announcer ʹ s voi ce will surviv e during a Pro Logic ® or Pro Logic II decode fro[...]
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50 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 in Live Remote Broadcast Using the DP570 with Other Dolby Equipment 6.2.2 Monitoring the Dialogue Level As you wo r k, check the dialogue level indicators—the yello w num bers shown in Figure 6 ‐ 3—frequently . Make ?[...]
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Using the DP570 in Live Remote Broadcast Importance of Presets Dolby ® DP570 Multichannel Audio Tool User’s Manual 51 •L t / R t center downmix lev el •L t / R t surround downmi x level •L o / R o center downmix lev el •L o / R o surround mix lev el 6.6 Import ance of Presets In a l[...]
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52 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 in Live Remote Broadcast Importance of Presets[...]
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Dolby ® DP570 Multichannel Audio Tool User’s Manual 53 Chapter 7 Using the DP570 in P ostpr oduction The DP570 can be used in a var i et y of postproduction settings. We discuss one example. The instructions in this section allow you to use the DP570 [...]
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54 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 in Postpr oduction Typical Activities 7.2 T ypical Activities The DP570 is used in the monit or chain to emulate consumer ʹ s listeni ng environm ent. 7.2.1 Measuring Dialogue Level As the mix is nearing com[...]
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Using the DP570 in Postpr oduction Using the DP570 with Other Dolby Equipment Dolby ® DP570 Multichannel Audio Tool User’s Manual 55 Identified Clips on pa ge 31 for more information on these modes an d to understand the differences be twee n them. 7.2.3 Monitoring Downmixes Once ?[...]
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56 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 in Postpr oduction Most Important Metadata 7.4 Most Import ant Met adata The following hig hest ‐ priority parameters have the greatest impact on your wor k. We suggest yo u address them in this order: [...]
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Dolby ® DP570 Multichannel Audio Tool User’s Manual 57 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 mu ltiple affiliate stations, usually via satellite or optical [...]
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58 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 in Master Control Typical Activities Figure 8- 1 T ypical Master Control Setup 8.2 T ypical Activities Wit hi n a multichannel master control environment, it is necessary to experience the program, both picture and ?[...]
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Using the DP570 in Master Control Typical Activi ties Dolby ® DP570 Multichannel Audio Tool User’s Manual 59 Figure 8- 2 T ypical Do wnmix Options Or , if a viewer complains about the au dio quality on a mono television when viewing a 5.1 program, the MC operator [...]
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60 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 in Master Control Using Unity Gain Mode 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 consum[...]
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Dolby ® DP570 Multichannel Audio Tool User’s Manual 61 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 relativ e to ?[...]
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62 Dolby ® DP570 Multichannel Audio Tool User’s Manual Configuring a Monitor Syst em Assigning Monitor System Configuration Settings Figure A-2 Monitor Setup T ab A.1.2 Selecting Analog Outp ut s The system automatica lly detects the presence of the Cat No. 548 Analog Outputs Card, and [...]
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Configuring a Monitor Syst em Assigning Monitor System Configuration Settings Dolby ® DP570 Multichannel Audio Tool User’s Manual 63 •I f you have small Center and Surround speakers, direct the low frequencies from those channels to the Left, Right, or Subwoofer ?[...]
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64 Dolby ® DP570 Multichannel Audio Tool User’s Manual Configuring a Monitor Syst em Assigning Monitor System Configuration Settings Figure A-3 Bass Management Settings A.1.4 Choosing Back Surround Speakers The setting records the number of back surround speakers you have in yo u r monitoring ?[...]
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Configuring a Monitor Syst em Setting Delay Values Dolby ® DP570 Multichannel Audio Tool User’s Manual 65 Figure A-5 Pro Log ic II Cont rols 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 s[...]
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66 Dolby ® DP570 Multichannel Audio Tool User’s Manual Configuring a Monitor Syst em Setting Delay Values A.2.1 Calculating Delay V alues Center Delay L minu s C (L – C) equals the Center delay setting in milliseconds. For example, if C is 2 feet less than L ?[...]
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Configuring a Monitor Syst em Calibrating Speaker Playback Lev els Dolby ® DP570 Multichannel Audio Tool User’s Manual 67 A.3 Cal ibrating Speaker Playback Levels The following sections discuss and illustra te the steps in speaker calibration in the order they should be performe[...]
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68 Dolby ® DP570 Multichannel Audio Tool User’s Manual Configuring a Monitor Syst em Calibrating Speaker Playback Levels •F o r music mixing, each speaker channel should be set to the same SPL (the same as television mixing). There is no standard practice ?[...]
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Configuring a Monitor Syst em Calibrating Speaker Playback Lev els Dolby ® DP570 Multichannel Audio Tool User’s Manual 69 A.3.7 Measuring SPL To accurately measure SPL: 1. Sit in the refer ence listening position. Set the SPL meter to C wei ght ing and Slow response. 2. Faci[...]
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70 Dolby ® DP570 Multichannel Audio Tool User’s Manual Configuring a Monitor Syst em Assigning a Dim Setting Figure A-9 Real-time Analyzer (RT A) Display If an RT A is not av ailable, setting the LFE channel higher (e. g., 89 dBc for the Subw oofer channel when the C[...]
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Dolby ® DP570 Multichannel Audio Tool User’s Manual 71 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 R[...]
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72 Dolby ® DP570 Multichannel Audio Tool User’s Manual Connector Specifications Video Ref B.4 Video Ref The Vid e o Ref connections are BNC unbalanced female connectors that receive NTSC composite programs or color black video. Si gnal level s are compliant w[...]
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Connector Specifications Rear-Panel Remote Port Dolby ® DP570 Multichannel Audio Tool User’s Manual 73 B.8 Rear-Panel Remote Port 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) Th[...]
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74 Dolby ® DP570 Multichannel Audio Tool User’s Manual Connector Specifications Stereo/Mono/Solo Analog Output 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 ?[...]
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Dolby ® DP570 Multichannel Audio Tool User’s Manual 75 Appendix C Fr ont-Pa nel Menus This appendix illustrates the front ‐ panel menus as trees, divided into subsections for clarity . The Setup menu begins on this page. The Status menu is shown [...]
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76 Dolby ® DP570 Multichannel Audio Tool User’s Manual Fr ont-P anel Menus Metadata Params Submenu C.3 Metadat a Params Submenu Figure C-2 Metadat a Parameters Submenu C.4 Measure Control Submenu Figure C-3 Measure Control Submenu 1. Dialogue Le v 11. Room Type 21. DC Filter 2. Channel Mo de 12. Copyrigh t 22 . Lowpass Filt 3. LFE Channel 13. Or[...]
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Fr ont-P anel Menus Monitor Control Submenu Dolby ® DP570 Multichannel Audio Tool User’s Manual 77 C.5 Monitor Control Submenu Figure C-4 Monitor Control Submenu C.5.1 Dolby Pro Logic II Menu Submenu Figure C-5 Pro Logic II Submenu Monit or C ontr ol Program Select Monitor Control Lt/Rt Input Monitor Control Extended BSI Monitor Control Pro Logi[...]
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78 Dolby ® DP570 Multichannel Audio Tool User’s Manual Fr ont-P anel Menus User Presets Submenu C.6 User Presets Submenu Figure C-6 User Presets Submenu C.7 I/O Cont rol Submenu Figure C-7 I/O Control Submenu U s er P res et s R ec all P res et R ec all P res et 0 1 X Pr e s et Na me U s er P res et s Sa ve Pr e se t Sa ve Pr e se t P res et 01 [...]
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Fr ont-P anel Menus I/O Control Submenu Dolby ® DP570 Multichannel Audio Tool User’s Manual 79 C.7.1 Router Config Submenu Figure C-8 Router Config Submenu C.7.2 GPI/O Setup Submenu 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 Router Presets Save Router Rec[...]
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80 Dolby ® DP570 Multichannel Audio Tool User’s Manual Fr ont-P anel Menus Monitor Config Submenu C.8 Monitor Config Submenu Figure C-10 Monitor Config Menu C.8.1 Speaker Config Submenu Figure C-1 1 S peaker Config Submenu Monitor Config Speaker Config Monitor Config Speaker D elays Monitor Control Speaker Trims Monitor Control Digital Ref Monit[...]
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Fr ont-P anel Menus Monitor Config Submenu Dolby ® DP570 Multichannel Audio Tool User’s Manual 81 C.8.2 Speaker T rims Submenu Figure C-12 S peaker Trims Submenu Spe ake r T r ims Master Tr im Spe ake r T r ims Test N ois e Spe ake r T r ims Sp e a ke r Se le c t Spe ake r T r ims M ul t i c han Ls Spe ake r T r ims Multic ha n R Spe ake r T r i[...]
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82 Dolby ® DP570 Multichannel Audio Tool User’s Manual Fr ont-P anel Menus Status Menu C.9 St atus Menu Figure C-13 S tatus Menu Me t adat a Par am s E n te r to V i e w 5 .1+ 2 Inter nal P r ogr am 3/ 2 27 Mas ter Vol ume Err or Status En te r to Vi e w Audi o Input Vi deo Ref User Pr eset Fi rm w a re V e rs i on Press Enter t o v i ew c ur r [...]
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Dolby ® DP570 Multichannel Audio Tool 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 p[...]
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84 Dolby ® DP570 Multichannel Audio Tool User’s Manual A Guide to Dolby Metadata Metadata Overview Dolby E is a professional technology us ed for broadcast applications, such as program origination and distribution; the Dolby E bitstream carries the entire ?[...]
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A Guide to Dolby Metadata Metadata Overview Dolby ® DP570 Multichannel Audio Tool 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 [...]
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86 Dolby ® DP570 Multichannel Audio Tool User’s Manual A Guide to Dolby Metadata Dialogue Level 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 D[...]
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A Guide to Dolby Metadata Dialogue Level Dolby ® DP570 Multichannel Audio Tool User’s Manual 87 listening environments, and is essen tial in any content production, whether it is for transmission in a broadcast stream or for direct di stribution to consum[...]
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88 Dolby ® DP570 Multichannel Audio Tool User’s Manual A Guide to Dolby Metadata Dynamic Range Control D.3 Dynamic Range Control Different home listening environments present a wide range of requir ements for dynamic range. Rather than simply compressing the audio progra[...]
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A Guide to Dolby Metadata Dynamic Range Control Profiles Dolby ® DP570 Multichannel Audio Tool User’s Manual 89 devices are usually downmixing (for example, wh en receiving a 5.1 ‐ channel signal) . Howeve r , in these products, the consumer ma y have a choice [...]
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90 Dolby ® DP570 Multichannel Audio Tool User’s Manual A Guide to Dolby Metadata Downmixing • Film Standard Max Boost: 6 dB (below –43 dB) Boost Range: –43 to –31 dB (2:1 ratio) Null Band Wi d t h: 5 dB (–31 to –26 dB) Early Cut Range:[...]
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A Guide to Dolby Metadata Downmixing Dolby ® DP570 Multichannel Audio Tool User’s Manual 91 As with stereo mixing where the mix is monitored in mono on occasion to maintain compatibility , multichannel audio mixing requires the engineer to reference t[...]
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92 Dolby ® DP570 Multichannel Audio Tool User’s Manual A Guide to Dolby Metadata Parameter Defini tions stream to either a downstream decoder or an integrated amplifier with Dolby Digital decoding. In each of these devices, the analog stereo output is one[...]
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A Guide to Dolby Metadata Parameter Def initions Dolby ® DP570 Multichannel Audio Tool User’s Manual 93 metadata stream without Extended BSI parameters, and Extended BSI parameters translate seamlessly to decoders that read only universa l parameters. D.6.1 Universal Paramet[...]
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94 Dolby ® DP570 Multichannel Audio Tool User’s Manual A Guide to Dolby Metadata Parameter Defini tions Dialogue Level The Dialogue Lev el parameter is discusse d in Dialogue Level on page 86. Channel Mode This paramete r (also known as Audio Coding mode ) indicates the [...]
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A Guide to Dolby Metadata Parameter Def initions Dolby ® DP570 Multichannel Audio Tool User’s Manual 95 Channel parameter can be set. Yo u must have at least thr ee channels to be able to add an LFE channel. Bit stream Mode This parameter describes the au[...]
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96 Dolby ® DP570 Multichannel Audio Tool User’s Manual A Guide to Dolby Metadata Parameter Defini tions Line Mode Compression Prof ile and RF Mode Compression Profile For details of the av ailable profiles, see Dynamic Range Control Profiles on page 89. RF Overmodulation Protection This paramet[...]
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A Guide to Dolby Metadata Parameter Def initions Dolby ® DP570 Multichannel Audio Tool User’s Manual 97 parameter during downmixing in Lo/Ro mode wh en Extended BSI parameters are not active. Surround Downmix Level When the encoded audio has one or more Surround [...]
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98 Dolby ® DP570 Multichannel Audio Tool User’s Manual A Guide to Dolby Metadata Parameter Defini tions Audio Production Information This parameter indicates whether the mixing lev el and room type val ue s are va l i d . Ye s indicates that a receiver or amplifier c[...]
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A Guide to Dolby Metadata Parameter Def initions Dolby ® DP570 Multichannel Audio Tool User’s Manual 99 Copyright Bit This parameter indicates whether the encoded Dolby Digital bitstream is copyright protected. It has no effect on Dolby Di gital decoders and its [...]
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100 Dolby ® DP570 Multichannel Audio Tool User’s Manual A Guide to Dolby Metadata Parameter Defini tions it prevents aliasing on decoding and is normally switched on. This parameter is not passed to the consumer decoder . LFE Lowp ass Filter This parameter determines[...]
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A Guide to Dolby Metadata Extended Bitstream Information Parameters Dolby ® DP570 Multichannel Audio Tool User’s Manual 101 Digital program is decod ed to 5.1 channels, but it provides an Lt/Rt output that can be decoded with Pro Logic to L, C, R, S, [...]
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102 Dolby ® DP570 Multichannel Audio Tool User’s Manual A Guide to Dolby Metadata Extended Bitstream Information Parameters D.7.2 Lt/Rt Center Downmix Level This parameter indicates the level shift applied to the Center channel when adding to the left and right outputs a[...]
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A Guide to Dolby Metadata Extended Bitstream Information Parameters Dolby ® DP570 Multichannel Audio Tool User’s Manual 103 D.7.5 Lo/Ro Surround Downmix Level This parameter indicates the level shift applied to the Surround channels when downmixing to an Lo/Ro output. When E[...]
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104 Dolby ® DP570 Multichannel Audio Tool User’s Manual A Guide to Dolby Metadata Metadata Combinations D.7.7 A/D Converter T ype This parameter allows audio that has passed thr ough a particular A/D conversion st age to be marked as such, so that a decoder m[...]
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A Guide to Dolby Metadata Metadata Combinations Dolby ® DP570 Multichannel Audio Tool User’s Manual 105 Copyright Y es Y es Y es Y es Y es Original Bitstream Y es Y es Y es Y es Y es Preferred Stereo Downmix Lt/Rt Preferred Lt/Rt Preferred N/A Lo/Ro Preferred Lt/Rt Preferred Lt/Rt Center Downmix Lev el –[...]
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106 Dolby ® DP570 Multichannel Audio Tool User’s Manual A Guide to Dolby Metadata Metadata Combinations[...]
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Dolby ® DP570 Multichannel Audio Tool User’s Manual 107 Appendix E Regulator y Notices and Fuse Information This appendix contains important safety information re quired in the United States, Canada, the United Kingdom and the European Union. It also contains[...]
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108 Dolby ® DP570 Multichannel Audio Tool User’s Manual Regulator y Notices and Fuse Information Regulatory Notices 13. On some equipment, the appliance coupler (pow er cord) is used as the mains disconnect device and should be readily accessible and fre e fr[...]
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Regulator y Notices and Fuse Information Regulatory Notices Dolby ® DP570 Multichannel Audio Tool User’s Manual 109 Import ant – Safety Notice Great Brit ain This unit complies with the safety stand ard EN60065. The unit shall not be exposed to dripping or sp lashing and ?[...]
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110 Dolby ® DP570 Multichannel Audio Tool User’s Manual Regulator y Notices and Fuse Information Regulatory Notices •D i e Sicherungen müssen in Ty p und Stromwert mit den Angaben auf dem Gerät übereinstimmen. •D i e Erdung des Gerätes muß über eine geerdet[...]
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Regulator y Notices and Fuse Information Product End-of-Lif e Information Dolby ® DP570 Multichannel Audio Tool User’s Manual 111 utrustningen. För att garantera säkerheten och gardera mot ev entuell elchock eller brandrisk, måste följande observeras: • Kontrollera att spänni[...]
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112 Dolby ® DP570 Multichannel Audio Tool User’s Manual Regulator y Notices and Fuse Information Fuse Information E.3.1 Main Fuse The main fuse rating is T 1A L (1 amp, 250 V, 20 mm, time ‐ lag, low breaking capacity) for all operating voltages. To inspect [...]
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Dolby ® DP570 Multichannel Audio Tool User’s Manual 113 Index A/D Converter Type ................. .............. .............. . 104 Analog Output Master Volume ......... .............. ...... 20 Applications Digital Television . ................. .............. .............. .. 4 DVD Mastering ............ .......[...]
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114 Dolby ® DP570 Multichannel Audio Tool User’s Manual Unity Gain Mode ............... .............. ........... ...... 50 Lo/Ro Center Downmix Level ........ .............. ............ 102 Surround Downmix Level ...... .............. ......... 103 Lowpass Filter......................... .............. ............[...]
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Dolby ® DP570 Multichannel Audio Tool User’s Manual 115 Surround 3 dB Attenuation ............. ............... ...... 100 Surround Downmix Level .... .............. ............ ........ 97 Surround EX Mode ..... .............. .............. .............. . 103 Surround Phase Shift ..... .............. ....[...]