Dolby Laboratories 585 5.2 Processing with Synchronized Video

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Model 585 Time Scaling Processor Applications

5-2

Source

Audio

Play

Model 585

Record

Audio recorder

straight to broadcast

Adjust using Transport menu, In/Out point

Figure 5-1 Stand-Alone Time Scaling

For details on how to operate Model 585 to perform stand-alone time scaling, see

Section 3.1, Transport Menu.

5.2 Processing with Synchronized Video

To synchronize pitch shifted audio with its associated video program, the key element

is compensating for the delay created by the audio processing. There are many ways

this can be accomplished (for example, by using a single-pass approach, as shown in

Figure 5-2, or by performing separate video and audio passes).

Contents

Main Dolby Laboratories, Inc. Table of Contents Page List of Figures List of Tables Regulatory Notices Model 585 Time Scaling Processor vii IMPORTANT SAFETY NOTICE GB D Fusing Information Chapter 1 Introduction Page Chapter 2 Getting Started 2.1 Unpacking and Inspection 2.2 Installing 2.3 Rear Panel 2.3.1 Digital Audio Connections 2.3.2 Serial Connection Ports 2.3.3 Remote Connection Ports 2.4 Front Panel 2.4.1 Reading the Display 2.4.2 Buttons 2.4.3 Knob 2.5 Status Menu 2.6 Setup Menu 2.6.1 Program Configuration 2.6.2 Operating Mode Page 2.6.3 System Settings Page Chapter 3 Time Scaling 3.1 Transport Menu 3.1.1 Play / % In Out Page Page 3.1.2 Record /z P1 3.1.3 Program Selection 3.2 Time Scaling of Longer Programs Chapter 4 Pitch Shifting 4.1 Adjusting the Pitch Shifting Value 4.2 Using Pitch Shifting to Perform Online Time Scaling Chapter 5 Applications 5.1 Stand-Alone Processing 5.2 Processing with Synchronized Video Page Page Chapter 6 Principles of Operation 6.1 Multichannel Delivery 6.2 Development of Time Scaling 6.2.1 Time-Domain Solutions 6.2.2 Frequency-Domain Solutions 6.2.3 Modeling-Based Solutions 6.2.4 Choosing a Solution 6.3 Intelligent Analysis Page Chapter 7 Reference Data 7.1 Channel Mapping 7.2 Specifications