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7.2 Terms & Definitions
●RCA:
Connector used primarily in consumer AV equipment for both audio and video. The RCA connector
was developed by the Radio Corporation of America.
●
BNC:
Stands for Bayonet Neill-Concelman. A cable connector used extensively in television (named for its inventors). A
cylindrical bayonet connector that operates with a twist-locking motion .
●CVBS: C
VBS or Composite video, is an analog video signal without audio. Most commonly CVBS is used for
transmission of standard definition signals. In consumer applications the connector is typically RCA type, while in
professional applications the connector is BNC type.
●YPbPr: Used to describe the colour space for progressive-scan. Otherwise known ascomponent video.
●VGA: Video Graphics Array. VGA is an analog signal typically used on earlier computers. The signal is non-interlaced in
modes 1, 2, and 3 and interlaced when using in mode.
●DVI:
Digital Visual Interface. The digital video connectivity standard that was developed by DDWG (Digital Display
Work Group). This connection standard offers two different connectors: one with 24 pins that handles digital
video signals only, and one with 29 pins that handles both digital and analog video.
●SDI: Serial Digital Interface. Standard definition video is carried on this 270 Mbps data transfer rate. Video pixels are
characterized with a 10-bit depth and 4:2:2 color quantization. Ancillary data is included on this interface and typically
includes audio or other metadata. Up to sixteen audio channels can be transmitted. Audio is organised into blocks of 4
stereo pairs. Connector is BNC.
●HD-SDI: High-definition serial digital interface (HD-SDI), is standardized in SMPTE 292M this provides a nominal data
rate of 1.485 Gbit/s.
●3G-SDI: Standardized in SMPTE 424M, consists of a single 2.970 Gbit/s serial link that allows replacing dual link
HD-SDI.
●6G-SDI: Standardized in SMPTE ST-2081 released in 2015, 6Gbit/s bitrate and able to support 2160p@30.
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