Specifications
Table Of Contents
- Table of Contents
- List of Figures
- Chapter 1 Introduction
- Chapter 2 Getting Started
- Chapter 3 Production Environment
- Chapter 4 Equipment
- Chapter 5 Production Techniques
- Chapter 6 Preparing the Source Delivery Master
- Chapter 7 Miscellaneous Information
- Appendix A Mix and Mastering Data Sheets
5.1-Channel Production Guidelines Getting Started
2-7
Center, Right, Surround: LCRS) to two-channel encoding system that is delivered via
stereo media, Figure 2-1. The stereo-compatible Dolby Surround encoded soundtrack is
referred to as Left total, Right total or Lt/Rt. In both the analog and digital world, Dolby
Surround exists on media, e.g., VHS Hi-Fi, broadcast, CD, laser disc, etc. Dolby Digital
has backward compatibility with Dolby Surround encoded material.
L
R
Lt
Rt
C -3 dB
S
-3 dB
-3 dB
BP Filter
Half B NR
_
φ
φ
φ
Figure 2-1 Dolby Surround Encoder
Every multichannel Dolby Digital decoder, such as an A/V receiver, contains a digital
implementation of a Dolby Surround Pro Logic decoder. Dolby Digital decoders will
allow stereo material encoded with Dolby Surround (Lt/Rt) from digital sources (e.g.,
laser disc, DVD, DBS, digital cable, etc.) to be decoded back to a four-channel output
(LCRS).