Thompson ViBE EM4000, User Manual

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Glossary
244 ViBE EM4000 — Release 1.10
User Manual — 46073586AB02
Resolution Determined by the number of pixels displayed per line or for a given area.
RLC Run Length Coding.
Run length encoding is a method of compressing digital information by
representing repetitive data information by a notation that indicates the
data that will be repeated and how many times the data will be repeated.
RRT Rating Region Table (ATSC).
RS Reed-Solomon coding.
Reed-Solomon is an algorithm for Forward Error Correction (FEC). It does
not specify a block size or a specific number of check symbols, instead
these variables can be set to the best variables for each transmission
medium. Reed Solomon codes are used in a wide variety of commercial
applications such as CDs, DVDs, and in data transmission technologies like
DVB and WiMAX.
RST Rating System Table (ATSC).
RTP Real Time Transport Protocol.
This Protocol defines a standardized packet format for delivering audio
and video over IP networks.
RTSP Real Time Streaming Protocol.
A network control protocol designed for use in entertainment and
communications systems to control streaming media servers. Used for
establishing and controlling media sessions between end points.
RU Rack Unit. A unit of measure used to describe the height of equipment
intended for mounting in a 19-inch rack or a 23-inch rack. One rack unit is
1.75 inches (44.45 mm) high.
Scrambling Alteration of the characteristics of a television signal in order to prevent
unauthorized reception of the information in clear form.
SBR Spectral Band Replication.
SBR is a tool used in HE-AAC for broadcast transmissions.
SD Standard Definition.
SDI Serial Digital Interface.
SDT Service Description Table.
A mandatory Digital Video Broadcast (DVB) SI table, that provides
information in the SI stream about the services in the system; for example,
the name of the service, the service provider, etc.
SDTV Standard Definition Television.
SI Service Information
Digital information describing the delivery system, content and scheduling
/timing of broadcast data streams (DVB).
SIF Source Input Format
A video format that was developed to allow the storage and transmission
of digital video. The SIF format specifies resolutions of the following:
NTSC (525/59.94 SIF format) is 352x240 x29.97fps
PAL (625/50 SIF format) is 352x288 x25.00fps