Videotek TVM9100PKG Installation And Operation Handbook page 281

Open Source Software Copyright Information
M/E Mix/Effects System
MP@HL Main profile at high level
MP@ML Main profile at main level
MPEG Refers to standards developed by the ISO/IEC JTC1/SC29 WG11, Moving
Picture Experts Group.
MPEG-2 Refers to ISO/IEC standards 13818-1 (Systems), 13818-2 (Video), 13818-3
(Audio), and 13818-4 (Compliance).
Multi In the TVM series, contains preconfigured screens (for TVM Classic, Data
Analyzer, Custom Timing, and Waveform-Vector screens only)
Multi-Level Effects Applies to any effects generator which can do more than one
effect at a time. Typically, a multi level switcher can produce a Key and a Background
transition in the same effects generator at one time.
NTSC National Television Systems Committee, the color television system used in the
United States, Canada, Mexico and Japan.
NVRAM Nonvolatile RAM
Packet Identifier (PID) A unique integer value used to associate elementary streams
of a program in a single or multi-program transport stream.
Packet A packet consists of a header followed by a number of contiguous bytes from
an elementary data stream. It is a layer in the system coding syntax.
Packetized Elementary Stream (PES) The data structure used to carry elementary
stream data. The packets consist of a header followed by payload data, and a stream is
a series of packets which form an elementary stream and have a single stream
identification.
PAL Phase Alternation Line; the standard color television system in many European
and other countries.
Pane In the TVM series, this term applies to one quadrant in a multi-quadrant screen
(Quad or Multi).
Passive Looping Video and audio signals routed through components, even if power
is removed. Signals are not amplified or processed, maintaining transparency.
Payload Identifier see Video Payload ID.
Pedestal Level An offset used in a video system to separate the active video from the
blanking level by maintaining the black level above the blanking level by a small
amount.
Pixel A Picture cell or Picture element representing one sample of picture information,
such as an individual sample of R, G, B, luminance or chrominance.
Preset Refers to establishing any condition prior to use on the Program output. This
term is used in reference to wipe patterns and is often interchanged with Preview.
Preview The video output channel used to view the intended Program results prior to
the execution of the next transition.
TVM Series Installation and Operation Handbook 257
Copyright © 2008, Harris Corporation