TANDBERG E5780, Справочное руководство

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Reference Guide: evolution 5000 E5780 and E5782 Encoder Page A-1
ST.RE.E10135.4
Annex A
A. Glossary
The following list covers most of the abbreviations, acronyms and terms as used in TANDBERG Television
Limited Manuals, User and Reference Guides. All terms may not be included in this Reference Guide.
µ
m Micrometre (former name - micron) : a unit of length equal to one millionth (10
-6
) of a metre.
3:2 pull-down A technique used when converting film material (which operates at 24 pictures per second) to 525-line video
(operating at 30 pictures per second).
4:2:0 Digital video coding method in which the colour difference signals are sampled on alternate lines at half the
luminance rate.
4:2:2 Digital video coding method in which the colour difference signals are sampled on all lines at half the luminance
rate.
422P@ML 422 Profile at Main Level: A subset of the MPEG-2 standard, which supports digital video storage (DVD etc.) and
transmissions up to 50 Mbit/s over various mediums. Used for Contribution and Distribution applications.
5B6B 5 Binary Bits Encoded to 6 Binary Bits: Block code.
AAC Advanced Audio Compression algorithm that has been ratified for both MPEG-2 (ISO/IEC 11818-7) andMPEG-4
(ISO/IEC 14496-3)
AACplus This is the trademark name for the version of MPEG-4 AAC which includes Spectral Band Replication (SBR) to
achieve extremely low bitrate encoding.
AC-3 Audio Coding algorithm number 3 (See Dolby Digital).
ACC Authorisation Control Computer.
ADPCM Adaptive Differential Pulse Code Modulation: An advanced PCM technique that reduces the bitrate by coding
the difference values between successive samples rather than the absolute value of each sample.
ADT Audio, Data And Teletext.
ADTS Audio Data Transport Stream is the method of encapsulation MPEG-2 AAC bitstream into transport stream.
AFC Automatic Frequency Control.
AFS Automation File Server.
AGC Automatic Gain Control.
AMOL I and II Automatic Measure of Line-ups I and II: Used by automated equipment to measure programme-viewing ratings.
ARIB Association of Radio Industries and Businesses is a Japanese organisation for the promotion of the efficient
use of the radio spectrum and defines the broadcast standards for Japan.
ASF Advanced Stream Format is the file format used by Microsoft for real-time streaming of multimedia data. It has
been publicly released in Summer 2002.
ASI Asynchronous Serial Interface.
ASIC Application-Specific Integrated Circuit: A customised chip designed to perform a specific function.
Async Asynchronous.