Harmonic Ellipse 3000, Руководство пользователя, Страница: 374 / 403

Glossary
Numerics
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© 2013 Harmonic Inc. 374 Ellipse 3000 r.3.0, Rev. B
CORBA
Common Object Request Broker Architecture.
CP
Crypto Period. A parameter specifying the period during which data is scrambled with a
particular Control Word (“key”).
CPE
Customer Premises Equipment.
crosstalk
The interference of a signal from an adjacent signal.
CRT
Cathode Ray Tube.
Cue Tone
A sequence of audio tones (typically DTMF tones) used to prompt an action.
CW
Control Word. A value that the
CAS
generates to scramble the program data stream.
CWG
Control Word Generator. Generates the encryption key.
D
data link
The continuous flow of information from one location to another
data stream
The continuous flow of information from one location to another.
datacast
A system that inserts data into an MPEG-2
Transport Stream
and enables high bit-rate data
download and recovery at the receiver. The data can be related to the video/audio
elementary streams.
datagram packing
Datagram packing places datagram sections back-to-back within the payloads of TS packets.
Adaptation field stuffing and section stuffing are not performed, and datagrams are not
aligned to the beginning of the
TS packet
payload.