Harmonic ProView 7000 User Manual page 217

Glossary
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Numerics A B
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Pool Bitrate
The DiviTrack pool capacity expressed in Mbps.
Pool Complexity
A value calculated from the complexity values of the channel members of a DiviTrack pool.
port
A port is an input to or an output from a
POST
Power-on Self Test. A pre-configured suite of diagnostics that verify the operational state of a
device. The tests are automatically initialized and executed whenever the component is turned on.
program
In MPEG-2 Systems, a program is a collection of video, audio, and data elementary streams
carried in a TS that share a common clock reference.
program provider
The entity responsible for the production and delivery of source program material.
Provisioning
Multiplexing and arranging the content into an output stream.
PSI
Program Specific Information. A set of MPEG-2 inband control tables. The tables contain tuning
information, information about the relationships between the various elementary streams, and
conditional access information. See also
PSIP
Program and System Information Protocol
PTS
Presentation Time Stamp. An MPEG-2 defined field that can be present in the
header to indicate the time the access unit is to be presented (displayed) to the viewer.
PW
Password.
Q
QAM
Quadrature Amplitude Modulation. Transmits 4 bits (16 QAM) to 8 bits (64 QAM) at the same
time by varying the phase and amplitude of a signal. See also
© 2011 Harmonic Inc.
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, an
component adapter
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SI
QPSK
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L M N O
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, or a module.
packet
PES
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ProView 7000 v.2.4, Rev. A
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