Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Reexamination Certificate
2008-04-08
2008-04-08
Nguyen, Huy (Department: 2621)
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
C386S349000
Reexamination Certificate
active
07356245
ABSTRACT:
Systems, methods, and computer products that facilitate transmission of information used for fast and responsive video and audio playback at non-standard, trick mode speeds. An embodiment of the present invention uses low resolution, compressed, and independent frames derived from the encoded digital video or audio information to facilitate the operation of user-requested VTR-like speed change functions associated with digital video and digital audio frames. The present invention greatly simplifies locating specific frames in a video or audio presentation for purposes such as fast forward and fast reverse scanning that is typically used in digital editing.
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Wallapak Tavanapong, Kien A. Hua, James Z. Wang,A Framework for Supporting Previewing and VCR Operations in a Low Bandwidth Environment, pp. 303-311. ACM 0-89791-991-2/97/11.S3.50.
Belknap William R.
Doong Jane K.
International Business Machines - Corporation
Nguyen Huy
Sughrue & Mion, PLLC
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