Jump to content

Source Input Format

From Wikipedia, the free encyclopedia
This is an old revision of this page, as edited by 204.177.90.3 (talk) at 17:16, 17 October 2005. The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

An acronym for Standard Input Format, this video format was developed to allow the storage and transmission of digital video. The 625/50 SIF format has a resolution of 352 x 288 active pixels and a refresh rate of 25 frames per second. The 525/59.94 SIF Format has a resolution of 352 x 240 active pixels and a refresh rate of 29.97 frames per second. The computer industry has defined SIF to be 320 x 240(NTSC) or 384 x 288(PAL) active pixels with a refresh rate of whatever the computer is capable of supporting.

Video resolutions (in pixels) Format NTSC-based PAL-based SQCIF 128 × 96 QCIF 176 × 120 176 × 144 CIF 352 × 240 352 × 288 4CIF 704 × 480 704 × 576 9CIF 1056 × 720 1056 × 864 16CIF 1408 × 960 1408 × 1152 D1 720 × 486 720 × 576 SIF 352 × 240 352 × 288 SIF* 360 × 240 360 × 288 

   * = Rounded to the nearest multiple of 16.

See also: [CIF]

Retrieved from "https://en.wikipedia.org/w/index.php?title=Source_Input_Format&oldid=25752301"