Method and apparatus for achieving video data reduction through

Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium

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386112, H04N 5917, H04N 726

Patent

active

060235535

ABSTRACT:
Method and apparatus for extracting intra-coded video frames from a video data stream including inter-coded video frames and intra-coded video frames to produce reduced resolution intra-coded video frames suitable for recording in trick play tape segments of a tape for later play back and display during video tape recorder trick play operation. A plurality of methods and apparatus for buffering and selecting received intra-coded video frames for recording in trick play tape segments to support a plurality of trick play modes of operation are disclosed. In addition, a plurality of different data reduction methods and apparatus are disclosed for generating reduced resolution intra-coded frames from the received full resolution intra-coded video frames.

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