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SMPTE ST 294:2001

SMPTE ST 294:2001

$24.05

SMPTE Standard – For Television — 720 × 483 Active Line at 59.94-Hz Progressive Scan Production — Bit-Serial Interfaces

Published By Publication Date Number of Pages
SMPTE 2001-12-05 13
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Abtract:

This standard defines two alternatives for bit-serial interfaces for the 720 × 483 active line at 59.94-Hz progressive scan digital signal for production, defined in ANSI/SMPTE 293M. Interfaces for coaxial cable are defined, each having a high degree of commonality with interfaces operating in accordance with ANSI/SMPTE 259M (BTA Report T-1004 contains additional information regarding the application of these interfaces in practical systems): (a) Dual-link interface (4:2:2P): Each link operating at 270 Mb/s, in which the active data in the Y', C'B, C'R format (equivalent to 8:4:4) are transparently divided, line sequentially, into two data streams, each equivalent to the 4:2:2 component signal of ANSI/SMPTE 259M. (b) Single-link interface (4:2:0P): Operating at 360 Mb/s, in which the active data representing the colordifference components in the Y', C'B, C'R format (equivalent to 8:4:4) are field quincunx down-converted by a factor of two, prior to reformatting with the full luminance data, into a single data stream equivalent to the component signal of ANSI/SMPTE 259M (but at a higher data rate, conceptually 8:4:0). — NOTES (1) The data rate of 360 Mb/s is related by a factor of 4/3 to the basic data rate of 270 Mb/s specified for 4:2:2 component signals in ANSI/SMPTE 259M. (2) The down-conversion of the color-difference components results in an equivalent spatial sampling grid for each that is similar in the horizontal and vertical dimension. (3) The term line in this standard refers to the digital line in the 483-line frame raster as described in ANSI/SMPTE 293M.

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SMPTE ST 294:2001
$24.05