CMN-91
Appendix C
Installation and Operation Manual
Glossary
© 2016 Imagine Communications Corp. Proprietary and Confidential.
Revision D | Page 189
Progressive Scanning Also non-interlaced. A system of video scanning where lines of a picture are
transmitted consecutively, such as with VGA monitor displays.
PSIP Program and System Information Protocol (see extended definition on the following page)
PTP Precision Time Protocol.
Push-Push Toggle Switch An electro-mechanical device which, when pushed, alternates the condition of
the switch. Push once, it's off, push again, it's on.
Quadrature Output An output in a television demodulator used for measuring Incidental Carrier Phase
Modulation (ICPM) in a transmitter.
QPSK Quadrature Phase Shift Keying, typically used by satellite downlinks.
QAM Quadrature Amplitude Modulation, the technique used by cable TV systems (64-QAM and 256-
QAM) to remodulate signals for distribution in a cable plant.
Quad On TVM/VTM Series units, a screen that contains four panes.
RGB Legalization Limiting of luminance and color difference video signals such that, once transcoded
into RGB component video signals, the resultant video does not violate the maximum or minimum signal
levels as defined by component video level rules. Typically, the maximum value for R, G, or B is 700 mV,
and the absolute minimum value for any of these signals is 0 mV.
Reclocking The process of regenerating digital data with a clock recovered from the input data.
Resolution A measure of the finest detail that can be seen, or resolved, in a reproduced image.
RS Right Surround
RS-422 Recommended Standard number 422, an E.I.A. standard which describes a type of data
interchange. Television products use this standard as its communication format between the electronics
frame and editors, control panel and computers. An RS-422 line may be extended up to 1,000 feet
(304m).
RTMP Real Time Messaging Protocol. An Adobe proprietary protocol for streaming audio, video, and
data over the Internet.
RTP Real-time Transport Protocol. A lightweight means of streaming a Program over a network over top
of UDP protocol.
Sampling Process by which an analog signal is sampled to convert the analog signal to digital.
SAP Secondary Audio Program, used in television broadcast for second language broadcasting,
simulcasting, and separate audio programming.
Saturation Color intensity
SAW Filter Surface Acoustic Wave filter
SDTV Standard Definition Television (see extended definition on the following page)
Segment Error Rate (SER) A calculated average of uncorrected transport stream packets vs. total
packets as accumulated over a designated period of time.