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Dolby Laboratories DP570 Original Bitstream , DC Filter , Lowpass Filter , LFE Lowpass Filter

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98 Dolby® DP570 Multichannel Audio Tool User’s Manual

A Guide to Dolby Metadata

Original Bitstream

ThisparameterindicateswhethertheencodedDolbyDigitalbitstreamisthemaster

versionoracopy.IthasnoeffectonDolbyDigitaldecodersanditspurposeispurelyto

provideinformation.

FigureD‐4

DC Filter

ThisparameterdetermineswhetheraDC‐blocking3Hzhighpassfilterisappliedtothe

maininputchannelsofaDolbyDigitalencoderpriortoencoding.Thisparameterisnot

carriedtotheconsumerdecoder.ItisusedtoremoveDCoffsetsintheprogramaudioand

wouldonlybeswitchedoffinexceptionalcircumstances.

Lowpass Filter

Thisparameterdetermineswhetheralowpassfilterisappliedtothemaininputchannels

ofaDolbyDigitalencoderpriortoencoding.Thisfilterremoveshigh‐frequencysignals

thatarenotencoded.Atthesuitabledatarates,thisfilteroperatesabove20kHz.Inallcases

itpreventsaliasingondecodingandisnormallyswitchedon.Thisparameterisnotpassed

totheconsumerdecoder.

LFE Lowpass Filter

Thisparameterdetermineswhethera120Hzeighth‐orderlowpassfilterisappliedtothe

LFEchannelinputofaDolbyDigitalencoderpriortoencoding.ItisignorediftheLFE

channelisdisabled.Thisparameterisnotsenttotheconsumerdecoder.Thefilterremoves

Table D-15 Original Bitstream Settings

Original Bitstream

Yes

No

Note: TheparametersDCFilter,LowpassFilter,LFELowpassFilter,Surround3dB

Attenuation,andSurroundPhaseShiftappearaftertheExtendedBSIparameterson

DolbyEandDolbyDigitalequipmentmenus.

Table D-16 DC Filter Settings

DC Filter

Enabled

Disabled

Table D-17 Lowpass Filter Settings

Lowpass Filter

Enabled

Disabled

Contents

Main Dolby Laboratories, Inc. Corporate Headquarters European Headquarters Regulatory Notices FCC Canada EU/EMC Important Safety Instructions Fuses WEEE Dolby DP570 Multichannel Audio Tool Users Manual v IMPORTANTSAFETYNOTICE D I S Page 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 Chapter A Configuring a Monitor System Appendix B Connector Specifications Appendix C Front-Panel Menus Appendix D A Guide to Dolby Metadata Page Page List of Figures Page List of Tables Page Overview 1.1 Analog Monitoring Capabilities 1.2 Remote Control Capabilities 1.3 Principles of Operation Page 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 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 3.1.5 Using the Program/Preset Buttons 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 Channel Status Indicators 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 Using the GPI/O Connector Dolby DP570 Multichannel Audio Tool Users Manual 19 3.6.2 Assigning GPI/O Functions to Specific Pins TheGPI/Oportisafemale37pinDconnector.SeeFigure37toidentify pinnumbers. Function Polarity Trigger Active State Description 20 Dolby DP570 Multichannel Audio Tool Users Manual Controlling the DP570 Table 3 8liststhepinsavailableforGPOandGPIfunctions. GPO Setup Pin Function Pin Function 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 Example 1Overriding an Individual Parameter Value 4.3.3 Using External Metadata DP572 DP570 DP571 Example 2Adding a Second Program or Changing a Program D 563P MetadataAdjustment 4.4 Troubleshooting Metadata Problems 4.5 Outputting Metadata 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 Page 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 Page Dolby DP570 Multichannel Audio Tool Users Manual 41 Chapter 5 Using the DP570 in DVD Mastering LAN PC 5.1 Connecting the DP570 Figure 5-1 Content Creation 5.2 Typical Tasks 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 Using the DP570 in Live Remote Broadcast 6.1 Connecting the DP570 for Live Remote Broadcast 46 Dolby DP570 Multichannel Audio Tool Users Manual Using the DP570 in Live Remote Broadcast 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 51 Chapter 7 Using the DP570 in Postproduction 7.1 Connecting the DP570 Figure 7-1 Typical Postproduction Setup DP570 DP571 DP563 7.2 Typical Tasks 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 56 Dolby DP570 Multichannel Audio Tool Users Manual Using the DP570 in Master Control Figure 8-1 Typical Master Control Setup 8.2 Typical Tasks 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 Center Delay Surround Delay Calculating Pro Logic Delay 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 +10 dB datum +10 dB LFE Channel Center channel 0 dB datum A.3.10 Calibrating Emulator Output A.4 Assigning a Dim Setting 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 B.9 10Base-T Port (Ethernet) B.10 Multichannel Analog Output 72 Dolby DP570 Multichannel Audio Tool Users Manual Connector Specifications B.11 Stereo/Mono/Solo Analog Output Thisisa25pinfemaleDconnector. B.12 GPI/O Connector FordetailsoftheGPI/Oconnector,seeAssigningGPI/OFunctionstoSpecificPinson page19. Front-Panel Menus C.1 Top-Level Setup Menu C.2 Program Config Page Measure Control Submenu Dolby DP570 Multichannel Audio Tool Users Manual 75 C.4 Measure Control Submenu Figure C-3 Measure Control Submenu 76 Dolby DP570 Multichannel Audio Tool Users Manual Front-Panel Menus C.5 Monitor Control Submenu Figure C-4 Monitor Control Submenu C.5.1 Dolby Pro Logic II Submenu Figure C-5 Pro Logic II Submenu User Presets Submenu C.6 User Presets Submenu Enabled Disabled GPO Setup Emulator Bypass 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 Presets Recall Router C.8 Monitor Config Submenu Figure C-10 Monitor Config Menu C.8.1 Speaker Config Submenu Figure C-11 Speaker Config Submenu 80 Dolby DP570 Multichannel Audio Tool Users Manual C.8.2 Speaker Trims Submenu Figure C-12 Speaker Trims Submenu Status Menu Dolby DP570 Multichannel Audio Tool Users Manual 81 C.9 Status Menu Enter to View Program 3/2 27 Page A Guide to Dolby Metadata D.1 Metadata Overview Page Metadata Parameter Professional Consumer Special Parameters 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 Analog RF Output Digital 5.1-Channel Analog 2-Channel Remodulated Equipment Output Digital 5.1-Channel Analog 2-Channel Remodulated Analog RF D.6 Parameter Definitions D.6.1 Universal Parameters Program Configuration Program Description Text Dialogue Level Channel Mode Program Configurations LFE Channel Bitstream Mode Channel Mode Setting Definition and Data Rate LFE Channel Setting Bitstream Mode Line Mode Compression Profile and RF Mode Compression Profile Fordetailsoftheavailableprofiles,seeSectionD.4. RF Overmodulation Protection RF Overmodulation Protection Setting Bitstream Mode Center Downmix Level Surround Downmix Level Dolby Surround Mode Center Downmix Level Surround Downmix Level Setting Definition Audio Production Information Mixing Level Room Type Copyright Bit Audio Production Information Setting Definition Original Bitstream DC Filter Lowpass Filter LFE Lowpass Filter Original Bitstream D.7 Extended Bitstream Information Parameters LFE Lowpass Filter Surround 3 dB Attenuation Surround Phase Shift D.7.1 Preferred Stereo Downmix Mode D.7.2 Lt/Rt Center Downmix Level Preferred Stereo Downmix Mode Lt/Rt Center Downmix Level D.7.3 Lt/Rt Surround Downmix Level D.7.4 Lo/Ro Center Downmix Level D.7.5 Lo/Ro Surround Downmix Level Lt/Rt Surround Downmix Level Lo/Ro Center Downmix Level D.8 Metadata Combinations Surround EX Mode A/D Converter Type 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 Index