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1.6
GLOSSARY OF TERMS
OVERVIEW
8083XDS-AD Analog and SD-SDI XDS Encoder
SMPTE 334M: assigns addresses to be used to multiplex specific data
services such as captioning into the vertical ancillary (VANC) space
defined by 291M. It also specifies that the payload of a VANC packet used
for captioning is CDP.
AES: (Audio Engineering Society): A
recommends standards for the audio industries.
AES/EBU:
Informal name for a digital audio standard established jointly
by the Audio Engineering Society and the European Broadcasting Union
organizations.
ANALOG:
An adjective describing any signal that varies continuously
as opposed to a digital signal that contains discrete levels representing
digits 0 and 1.
A-TO D CONVERTER (ANALOG-TO-DIGITAL):
digital sampling to convert an analog signal into a digital representation of
that signal.
ATSC A/65: defines information that describes the contents of an ATSC
broadcast. Some of this information may pertain to the closed captioning.
BIT:
A binary representation of 0 or 1. One of the quantized levels of a
pixel.
BIT PARALLEL:
Byte-wise transmission of digital video down a multi-
conductor cable where each pair of wires carries a single bit.
standard is covered under SMPTE 125M, EBU 3267-E and CCIR 656.
BIT SERIAL: Bit-wise transmission of digital video down a single
conductor such as coaxial cable. May also be sent through fiber optics.
This standard is covered under SMPTE 259M and CCIR 656.
BIT STREAM: A continuous series of bits transmitted on a line.
BNC: Abbreviation of "baby N connector".
extensively in television systems.
BYTE: A complete set of quantized levels containing all the bits. Bytes
consisting of 8 to 10 bits per sample are typical in digital video systems.
CABLE EQUALIZATION:
response of a video amplifier to compensate for high frequency losses in
coaxial cable.
CDP:
Caption distribution Packet, defined in EIA-708.
Revision 1.0.2
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A cable connector used
The process of altering the frequency
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