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SMPTE 292 is a digital video transmission line standard published by the Society of Motion Picture and Television Engineers (SMPTE). This technical standard is usually referred to as HD-SDI; it is part of a family of standards that define a serial digital interface based on a coaxial cable, intended to be used for transport of uncompressed digital video and audio in a television studio ...
Dual link HD-SDI consists of a pair of SMPTE 292M links, standardized by SMPTE 372M in 1998; [2] this provides a nominal 2.970 Gbit/s interface used in applications (such as digital cinema or HDTV 1080P) that require greater fidelity and resolution than standard HDTV can provide.
SMPTE 424M is a standard published by SMPTE which expands upon SMPTE 259M, SMPTE 344M, and SMPTE 292M allowing for bit-rates of 2.970 Gbit/s and 2.970/1.001 Gbit/s over a single-link coaxial cable. These bit-rates are sufficient for 1080p video at 50 or 60 frames per second. [ 1 ]
SMPTE 372M is a standard published by SMPTE which expands upon SMPTE 259M, SMPTE 344M, and SMPTE 292M allowing for bit-rates of 2.970 Gbit/s, and 2.970/1.001 Gbit/s over two wires. These bit-rates are sufficient for 1080p video at 50 or 60 frames per second.
Two standards, SMPTE 272M (for SD) and SMPTE 299M (for HD and 3G) define how audio is embedded into the ancillary space. The SD and HD standards provide for up to 16 channels of PCM audio, while 3G allows up to 32 channels, typically encoded in the AES3 format.
SMPTE ST 296 is a standard published by SMPTE which defines the 720 line high definition video formats including 720p50 and 720p60. It is frequently carried on serial digital interface physical cables defined by the SMPTE 292M standard.
Commonly used digital SD SDI baseband signal = SMPTE 259M-C, 270 Mbit/s bitrate Commonly used Frame rate = 30 frame/s black and white, 29.97 interlaced frame/s color Black level = 7.5 IRE for NTSC , 0 IRE for NTSC-J in Japan and PAL-M in Brazil .
The Society of Motion Picture and Television Engineers (SMPTE) (/ ˈ s ɪ m p t iː /, rarely / ˈ s ʌ m p t iː /), founded in 1916 as the Society of Motion Picture Engineers or SMPE, [1] is a global professional association of engineers, technologists, and executives working in the media and entertainment industry.
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