User guide

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
CA
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.
Cs
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,:
ES
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
Fs
Sampling Frequency - typically in Hz or kHz
GUI
Graphical User Interface
HD
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]
Ls
Left Surround
MAS
DTS-HD Master Audio Suite
Mbps
Bit rate in megabits per second
Rs
Right Surround
SAS
DTS Surround Audio Suite
TC
Timecode
VBR
Variable bit rate – used in the DTS-HD extension substream
Table 5-1 Common Terms and Abbreviations