Electra VS
- Version 05.10 593
User Manual
- Rev. A
Glossary
100/100 0Base-T
An Ethernet standard designed to generate, monitor and capture 100/1000
Ethernet traffic.
4:2:0
A chrominance sub-sampling system in which the difference signals are
sampled on alternate lines at half the luminance rate.
4:2:2
A chrominance sub-sampling system in which the difference signals are
sampled on all lines at half the luminance rate.
AAC
Advanced Audio Compression algorithm that has been ratified for both
MPEG-2 (ISO/IEC 11818-7) and MPEG-4 (ISO/IEC 14496-3).
AAC-LC
Low Complexity-Advanced Audio Coding.
AC-3
Audio Coding 3.
AC-3 is a digital audio encoding, also called Dolby Digital, technique
developed by Dolby® for multi-channel sound applications.
AFD
Active Format Descriptor.
Standard set of codes that can be sent in the MPEG video stream or in the
baseband SDI video signal that carries information about their aspect ratio
and active picture characteristics.
AGC
Automatic Gain Control.
API
Application Programming Interface
Specification intended to be used as an interface by software components
to communicate with each other.
AVC
Advanced Video Coding.
BISS
Basic Interoperable Scrambling System.
BISS is a satellite signal scrambling system developed by the European
Broadcasting Union and a consortium of hardware manufacturers.
Buffer
A memory store used to provide a consistent rate of data flow.
BW
Bandwidth: a measure of the width of a range of frequencies, measured in
hertz.
CA
Conditional Access.
System to control subscriber access to services, programs and events.
CABAC
Context-based Adaptive Binary Arithmetic Coding
CABAC is a form of entropy coding used in H.264 video encoding. It is
notable for providing much better compression than CAVLC but is more
computationally expensive. CABAC is not supported in Baseline and
Extended profiles.
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