Manuale d’uso / di manutenzione del prodotto DP570 del fabbricante Dolby Laboratories
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Dolby DP570 Multichannel Audio Tool User’s Manual Issue 3 Part Number 91753 ®.
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.
Dolby ® DP570 Multichannel Audio Tool User’s Manual iii Table of Contents List of Figures ............... ................ ................ ................ ................ ................ ................. ............... ....... viii List of Tables .
iv Dolby ® DP570 Multichannel Audio Too l User’s Manual 3.5 Using the Setup Menu...... .... ... ... ... .... ... ... ... ... ................. ... ... ................ ... .... ... ................ ... ....... ...... 18 3.5.1 Selecting Parameters .
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 .............. ...............
vi Dolby ® DP570 Multichannel Audio Tool User’s Manual A.3.5 Generating Test Noise....... ... .... ... ... ... ... .... ... ... ... .... ... ... ... .... ... ... ... ................ .... ... ... ... ... ... . ...... 68 A.3.6 Increasing the System Volu me .
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...... ...............
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 .
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 .
x Dolby ® DP570 Multichannel Audio Tool User’s Manual List of Figures.
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 .
xii Dolby ® DP570 Multichannel Audio Tool User’s Manual List of Table s T able D-28 Metadata Combinations ....... ................ .................
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 th.
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.
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.
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.
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.
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.
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, .
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 contro.
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.
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 .
Getting Star ted Selecting a Program Configuration Dolby ® DP570 Multichannel Audio Tool User’s Manual 11 Figure 2- 2 Program Configuration Selecto r.
12 Dolby ® DP570 Multichannel Audio Tool User’s Manual Getting Star ted Selecting a Program Configuration.
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 w.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 .
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.
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.
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.
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 setting.
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 .
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.
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 .
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, us.
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 .
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 .
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, .
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.
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 whethe.
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 .
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.
52 Dolby ® DP570 Multichannel Audio Tool User’s Manual Using the DP570 in Live Remote Broadcast Importance of Presets.
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.
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.
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.
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.
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 .
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.
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.
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.
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 al.
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.
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 Surroun.
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.
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.
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.
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 .
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).
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.
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.
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.
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.
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.
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 .
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.
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.
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.
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.
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.
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.
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 .
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 .
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.
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 appli.
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.
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.
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, .
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.
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.
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.
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 .
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.
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.
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.
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.
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.
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.
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 .
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.
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 .
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.
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.
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.
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.
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 .
106 Dolby ® DP570 Multichannel Audio Tool User’s Manual A Guide to Dolby Metadata Metadata Combinations.
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.
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 .
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.
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.
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 oc.
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.
Dolby ® DP570 Multichannel Audio Tool User’s Manual 113 Index A/D Converter Type ................. .............. .............. . 104 Analog Output Master Volume ......... .............. ...... 20 Applications Digital Television .
114 Dolby ® DP570 Multichannel Audio Tool User’s Manual Unity Gain Mode ............... .............. ........... ...... 50 Lo/Ro Center Downmix Level ........ .............. ............ 102 Surround Downmix Level ...... .
Dolby ® DP570 Multichannel Audio Tool User’s Manual 115 Surround 3 dB Attenuation ............. ............... ...... 100 Surround Downmix Level .... .............. ............ ........ 97 Surround EX Mode ..... ......
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Dolby Laboratories DP570 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Dolby Laboratories DP570 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Dolby Laboratories DP570 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Dolby Laboratories DP570 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Dolby Laboratories DP570, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Dolby Laboratories DP570.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Dolby Laboratories DP570. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Dolby Laboratories DP570 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
