Method and apparatus for providing computer-compatible fully synchronized audio/video information
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United States of America Patent
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N/A
Issued Date -
Feb 27, 2003
app pub date -
Aug 22, 2002
filing date -
Aug 22, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An inventive display and input method and apparatus providing fully synchronized audio/video information for use with computers and for display on computer-compatible monitors is described. The inventive display and input system includes a computer interface, and provides synchronized digital video and audio input, as well as synchronized digital and analog audio/video output. The display and input system provides synchronization of moving images for display on 72 Hz and 75 Hz computer-compatible monitors. The inventive display and input system facilitates 72 Hz and 75 Hz display of synchronized moving images, such as 24 fps tripled on 72 Hz computer-monitor displays, without using frame dropping or tearing techniques. In accordance with one aspect of the present invention, a 'triple-repeat' method (of 24 fps and 25 fps video) is used to provide synchronized display onto 72 Hz and 75 Hz displays, respectively. A 'double-repeat' method is used to provide synchronized display of 36 fps and 37.5 fps images on 72 Hz and 75 Hz displays, respectively.
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