HDSD9545DLY - PRO Profanity Bypass Delay Manual
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Revision
1.3.7
OVERVIEW
4:2:2
A commonly used term for a component digital video format. The details of the format are
specified in the CCIR-601 standard. The numerals 4:2:2 denote the ratio of the sampling
frequencies of the luminance channel to the two colour difference channels. For every four
luminance samples, there are two samples of each colour difference channel.
SDI
An abbreviation for
serial digital interface
, this acronym is most commonly used to refer to
Standard definition serial digital television video signals up to 540 Mb/s.
HDTV
An abbreviation for
high definition television
, this acronym is most commonly used to refer to
High definition serial digital television video signals at 1.485 Gb/s.
AES:
(Audio Engineering Society):
A professional organization that 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):
A circuit that uses digital sampling to convert an
analog signal into a digital representation of that signal.
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. This 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 fibre optics. This standard is covered under SMPTE 259M and CCIR
656.
BIT STREAM:
A continuous series of bits transmitted on a line.
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:
The process of altering the frequency response of a video amplifier to
compensate for high frequency losses in coaxial cable.
CCIR (International Radio Consultative Committee):
An international standards committee. (This
organization is now known as the ITU.)
CCIR-601:
(This document now known as ITU-R601). An international standard for component digital
television from which was derived SMPTE 125M and EBU 3246-E standards. CCIR-601
defines the sampling systems, matrix values and filter characteristics for Y, B-Y, R-Y and
RGB component digital television signals.
CCIR-656:
(This document now known as ITU-R656). The physical parallel and serial interconnect
scheme for CCIR-601. CCIR-656 defines the parallel connector pinouts as well as the
blanking, sync and multiplexing schemes used in both parallel and serial interfaces. It
reflects definitions found in EBU Tech 3267 (for 625 line systems) and SMPTE 125M
(parallel 525 line systems) and SMPTE 259M (serial 525 line systems).
Summary of Contents for HDSD9545DLY-PRO
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