Dolby Laboratories DP570 - page 96

84 Dolby® DP570 Multichannel Audio Tool User’s Manual

A Guide to Dolby Metadata Metadata Overview

DolbyEisaprofessionaltechnologyusedforbroadcastapplications,suchasprogram

originationanddistribution;theDolbyEbitstreamcarriestheentiremetadataparameter

set.DolbyDigital,usedforconsumerapplications,suchastransmissiontothehomeorfor

DVDauthoring,employsasubsetofthefullmetadataparametersetcalledDolbyDigital

metadata;theDolbyDigitalbitstreamcarriesonlythoseparametersnecessaryforproper

decodingbytheconsumer.

Metadataisfirstinsertedduringprogramcreationormastering,andiscarriedthrough

transmissioninabroadcastapplicationordirectlyontoaDVD.Themetadataprovides

controloverhowtheencodedbitstreamistreatedateachsteponthewaytotheconsumer’s

decoder.

Thiscontrol,however,requirestheproducertosetthemetadataparameterscorrectly,since

theyaffectimportantaspectsoftheaudio—andcanseriouslycompromisethefinal

productifsetimproperly.Althoughmostmetadataparametersaretransparentto

consumers,certainparametersaffecttheoutputofahomedecoder,suchasdownmixing

foraspecificspeakerconfiguration,orwhentheconsumerchoosesDynamicRange

Controltoavoiddisturbingfamilyandneighbors.

FigureD‐1showsa5.1+2ProgramConfig,consistingofa5.1‐channelprogramanda

two‐channelsecondaryaudioprogram(SAP).

Figure D-1 Metadata Flow from Production to Consumer

Contents

Main Dolby Laboratories, Inc. Corporate Headquarters European Headquarters Table of Contents List of Figures List of Tables Chapter 1: Overview Chapter 2: Getting Started Chapter 3: Controlling the DP570 Chapter 4: Using the DP570 Features Chapter 5: Using the DP570 in DVD Mastering Chapter 6: Using the DP570 in Live Remote Broadcast Chapter 7: Using the DP570 in Postproduction Chapter 8: Using the DP570 in Master Control Appendix A: Configuring a Monitor System Appendix B: Connector Specifications Appendix C: Front-Panel Menus Appendix D: A Guide to Dolby Metadata Appendix E: Regulatory Notices and Fuse Information Index List of Figures Page Page List of Tables Page Overview 1.1 Analog Monitoring Capabilities 1.2 Remote Control Capabilities 1.3 Principles of Operation Page Overview Principles of Operation Cat.No. 548 Analog Option Card Dolby DP570 Multichannel Audio Tool Users Manual 3 Figure 1-1 DP570 Functional Block Diagram 1.4 Main Applications 1.4.1 Use in DVD Mastering 1.4.2 Use in Digital Television Getting Started 2.1 Unpacking and Inspection 2.2 Safety Information 2.3 Installing the DP570 2.3.1 Venting 2.3.2 Making Input Connections 2.3.3 Making Output Connections Router Output Emulator Output 2.4 Installing the Remote Software 2.4.1 System Requirements 2.4.2 Installing the Software 2.4.3 Hardware Connection 2.4.4 Configuring the Unit for Remote Operation 2.4.5 Beginning and Ending Remote Operation 2.4.6 Starting the Remote Software 2.4.7 Configure the Setup Monitor Tab 2.5 Selecting a Program Configuration Page Page Controlling the DP570 3.1 Using the Front-Panel Buttons DP570 DP571 or DP569 3.1.1 Main and Shifted Functions of the Buttons 3.1.2 Navigating the Front-Panel Menus 3.1.3 Selecting a Menu 3.1.4 Other Shifted Functions 3.2 Menu Structures 3.3 Moving Between Menus 3.4 Monitoring Status Using the Front Panel 3.4.1 Reading the Default Status Display 3.4.2 Viewing Status Screens 3.4.3 Reading the LED Indicators 5.1 + 2 Internal Prog 1 3/2L 27 Basic Status Indicators TheindicatorsshowninFigure 34displaythebasicstatusinformationlistedinTable 3 4. Channel Status Indicators LED Indication and Meaning 3.5 Using the Setup Menu 3.5.1 Selecting Parameters 3.5.2 Entering Text 3.5.3 Exiting the Setup Menu 3.5.4 Other Commands 3.5.5 Contrast Adjustment for the Front-Panel Display 3.5.6 Analog Output Master Volume 3.6 Using the GPI/O Connector 3.6.1 Selecting GPI/O Functions Page 3.6.2 Assigning GPI/O Functions to Specific Pins TheGPI/Oportisafemale37pinDconnector.SeeFigure37toidentify pinnumbers. Table 3 8showsthepinsthatareavailableforGPOandGPIfunctions. Pin Function Pin Function GPO Setup GPI Setup Page Using the DP570 Features 4.1 Naming Programs 4.2 Adjusting the Monitor System 4.3 Generating and Adjusting Metadata 4.3.1 Choosing the Source of Metadata 4.3.2 Using Generated Metadata Page Example 1Overriding an Individual Parameter Value 4.3.3 Using External Metadata Example 2Adding a Second Program or Changing a Program 4.4 Troubleshooting Metadata Problems D 563P DP572 DP570 DP571 4.5 Outputting Metadata MetadataAdjustment 4.6 Monitoring Downmixes 4.7 Measuring and Setting the Dialogue Level 4.7.1 Identifying Normal or Average Level Program Segments 4.7.2 Measuring the Average Loudness of Identified Clips IMPORTANT NOTE REGARDING MEASUREMENT ACCURACY: Using Infinite Measurements Using Short-term Measurements Page 4.8 Setting Dynamic Range Control 4.9 Holding Metadata 4.10 User Presets 4.10.1 Authoring-Only Presets 4.10.2 Emulator-Only Presets ! 4.10.3 All Settings Presets 4.10.4 Using Different Preset Types to Audition Settings Example 4.11 Using Lt/Rt Input Mode 4.12 Channel Mapping and Input Routing 4.13 Using an External Shaft Encoder to Control Master Volume 4.14 Emulator Bypass 4.15 Solo Input Mode 4.16 Unity Gain Mode 4.17 Sticky Settings 4.18 Lt/Rt Gain Function 4.19 Dim Function 4.20 Master Trim and Master Volume 4.21 Dolby Pro Logic II Support Page Dolby DP570 Multichannel Audio Tool Users Manual 43 Chapter 5 Using the DP570 in DVD Mastering LAN PC 5.1 Connecting the DP570 Figure 5-1 Content Creation 5.2.1 Setting the Dialogue Level 5.2.2 Monitoring the Dialogue Level 5.2.3 Monitoring Downmixes 5.3 Using the DP570 with Other Dolby Equipment 5.4 Most Important Metadata Page Using the DP570 in Live Remote Broadcast 6.1 Connecting the DP570 for Live Remote Broadcast 48 Dolby DP570 Multichannel Audio Tool Users Manual Using the DP570 in Live Remote Broadcast Typical Tasks DP570 Figure 6-1 Typical Live Remote Transmission Setup 6.2 Typical Tasks DP571 DP563 6.2.1 Measuring and Setting Dialogue Level 6.2.2 Monitoring the Dialogue Level 6.2.3 Monitoring Downmixes 6.3 Using the DP570 with Other Dolby Equipment 6.4 Using Unity Gain Mode 6.5 Monitoring Metadata 6.6 Importance of Presets Page Dolby DP570 Multichannel Audio Tool Users Manual 53 Chapter 7 Using the DP570 in Postproduction 7.1 Connecting the DP570 Figure 7-1 Typical Postproduction Setup DP570 DP571 DP563 7.2 Typical Activities 7.2.1 Measuring Dialogue Level 7.2.2 Monitoring the Dialogue Level 7.2.3 Monitoring Downmixes 7.3 Using the DP570 with Other Dolby Equipment 7.4 Most Important Metadata Using the DP570 in Master Control 8.1 Connecting the DP570 58 Dolby DP570 Multichannel Audio Tool Users Manual Using the DP570 in Master Control Typical Activities Figure 8-1 Typical Master Control Setup 8.2 Typical Activities 8.2.1 Monitoring Downmixes VTR Server or IRD DP572 Master Control 8.2.2 Monitoring Dialogue Level 8.3 Using Unity Gain Mode 8.4 Using the DP570 with Other Dolby Equipment 8.5 Most Important Metadata Configuring a Monitor System A.1 Assigning Monitor System Configuration Settings A.1.1 Opening the Monitor Setup Tab A.1.2 Selecting Analog Outputs A.1.3 Choosing Bass Management Settings Bass Management Subwoofer Crossover LFE Monitor Mode Options A.1.4 Choosing Back Surround Speakers A.1.5 Emulator Reversion A.1.6 Setting the Lt/Rt Gain A.1.7 Configuring Dolby Pro Logic II A.2 Setting Delay Values A.2.1 Calculating Delay Values A.2.2 Entering Delay Values A.3 Calibrating Speaker Playback Levels A.3.1 Setting the Digital Reference Level A.3.2 Setting the Master Trim A.3.3 Setting the Master Volume A.3.4 Picking a Target SPL A.3.5 Generating Test Noise A.3.6 Increasing the System Volume A.3.7 Measuring SPL A.3.8 Computing Channel Trims A.3.9 Subwoofer Calibration A.3.10Calibrating Emulator Output +10 dB datum A.4 Assigning a Dim Setting LFE Channel Center channel 0 dB datum Connector Specifications B.1 Front-Panel Remote Connector B.2 Digital Audio Inputs B.3 Digital Audio Outputs B.4 Video Ref B.5 Lt/Rt Inputs B.6 Metadata Input Ports B.7 Metadata Output Port B.8 Rear-Panel Remote Port B.9 10Base-T Port (Ethernet) B.10 Multichannel Analog Output B.11 Stereo/Mono/Solo Analog Output Thisisa25pinfemaleDconnector. B.12 GPI/O Connector FordetailsoftheGPI/Oconnector,seeAssigningGPI/OFunctionstoSpecificPinson page22. Dolby DP570 Multichannel Audio Tool Users Manual 75 Front-Panel Menus C.1 Top-Level Setup Menu Figure C-1 Top-Level Setup Menu C.2 Program Config 76 Dolby DP570 Multichannel Audio Tool Users Manual C.3 Metadata Params Submenu Parameter Selection Order Figure C-2 Metadata Parameters Submenu C.4 Measure Control Submenu Figure C-3 Measure Control Submenu 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 78 Dolby DP570 Multichannel Audio Tool Users Manual C.6 User Presets Submenu Figure C-6 User Presets Submenu C.7 I/O Control Submenu Figure C-7 I/O Control Submenu to User Pre sets/ Save Preset m en u C.7.1 Router Config Submenu Audio In 8 Audio In 1 Router Out 8 ENTER=Yes ESC=No C.8 Monitor Config Submenu Figure C-10 Monitor Config Menu C.8.1 Speaker Config Submenu Figure C-11 Speaker Config Submenu Front-Panel Menus Monitor Config Submenu C.8.2 Speaker Trims Submenu Figure C-12 Speaker Trims Submenu C.9 Status Menu Metadata Params Enter to Vi ew Enter to View Program 3/2 27 A Guide to Dolby Metadata D.1 Metadata Overview Page Metadata Parameter Professional Consumer Special Parameters Metadata Parameter Professional Consumer Timecode Pitch Shift D.2 Dialogue Level The Scale A Simple Rule: Example: D.3 Dynamic Range Control Line Mode RF Mode D.4 Dynamic Range Control Profiles Input Level Boost Null Band Cut D.5 Downmixing Equipment Output Digital 5.1-Channel Analog Two-Channel Analog RF Remodulated D.6 Parameter Definitions D.6.1 Universal Parameters Program Configuration Program Description Text Program Configurations Dialogue Level Channel Mode LFE Channel Channel Mode Setting Definition and Data Rate Bitstream Mode LFE Channel Setting Bitstream Mode Setting Definition Line Mode Compression Profile and RF Mode Compression Profile RF Overmodulation Protection Center Downmix Level RF Overmodulation Protection Setting Bitstream Mode Setting Definition Surround Downmix Level Dolby Surround Mode Center Downmix Level Setting Definition Surround Downmix Level Setting Definition Dolby Surround Mode Setting Definition Audio Production Information Mixing Level Room Type Audio Production Information Setting Definition Mixing Level Setting Copyright Bit Original Bitstream DC Filter Lowpass Filter Copyright Bit Setting LFE Lowpass Filter Surround 3 dB Attenuation Surround Phase Shift Lowpass Filter Setting LFE Lowpass Filter Setting D.7 Extended Bitstream Information Parameters D.7.1 Preferred Stereo Downmix Mode Surround Phase Shift Setting Preferred Stereo Downmix Mode Setting D.7.2 Lt/Rt Center Downmix Level D.7.3 Lt/Rt Surround Downmix Level D.7.4 Lo/Ro Center Downmix Level Lt/Rt Center Downmix Lt/Rt Surround Downmix D.7.5 Lo/Ro Surround Downmix Level D.7.6 Surround EX Mode Lo/Ro Surround Downmix Surround EX Mode Lo/Ro Center Downmix D.8 Metadata Combinations Table D 28providesexamplesofcombinationsofparametersthatcouldbeusedasa preset. A/D Converter Type Setting Parameter Action Film (5.1) Drama (Lt/Rt) Local News Events (5.0) Parameter Action Film (5.1) Drama (Lt/Rt) Local News Events (5.0) (Mono) Music (5.0) Live Sporting Page Regulatory Notices and Fuse Information E.1 Regulatory Notices E.1.1 USA E.1.2 Canada E.1.3 UK E.1.4 EU Important Safety Notice Great Britain Important Note de Securit France Wichtiger Sicherheitshinweis Deutschland Norme Di Sicurezza Importante Italia Aviso Importante de Seguridad Espana Viktiga Sakerhetstgrder Sverige Belangrijk Veiligheids-Voorschrift Nederland E.2 Product End-of-Life Information E.3 Fuse Information E.3.1 Main Fuse E.3.2 Internal Fuse Index