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DTS-HD Master Audio Suite™,

User Guide

v 2.5

Confidential - Do NOT Duplicate 10 DTS Document No.: 9301F55800D

17781 v1

5. Common Terms and Abbreviations

The terms and abbreviations found in Table 5-1 are commonly used throughout this manual.

Term or Abbreviation

Meaning

Coherent Acoustics

CBR

Constant Bit Rate - used in the DTS-HD core substream,

maximum value 1.5 Mbps

Core Substream

The portion of the DTS-HD stream that contains the backwards

compatible component that can be decoded by legacy DTS

decoders.

Center Surround

Dialog Normalization

Sometimes known as the 'reference offset' value. Instructs the

decoder to reduce the level of its outputs by the amount

specified within the bit stream.

dBFS

"DeciBels [relative to] Full Scale,:

Extended Surround used in 6.x ES Matrix channel layouts

Extension Substream

The portion of the DTS-HD stream that contains the VBR

lossless extension or the CBR High Resolution extension

Sampling Frequency - typically in Hz or kHz

GUI

Graphical User Interface

High Definition

INF

Infinity

kbps

Bit rate in kilobits per second

LBR

DTS-HD Express - Low Bit Rate technology used with

Secondary and Sub-Audio

LPCM

Linear Pulse Code Modulation

LeqA

Level EQuivalent A [-weighted]

Left Surround

MAS

DTS-HD Master Audio Suite

Mbps

Bit rate in megabits per second

Right Surround

SAS

DTS Surround Audio Suite

Timecode

VBR

Variable bit rate – used in the DTS-HD extension substream

Table 5-1 Common Terms and Abbreviations

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 107 108

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