Compressed video data recording method and recording apparatus providing improved performance during variable-speed playback
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United States of America Patent
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Jan 2, 2001
Grant Date -
N/A
app pub date -
Mar 1, 1999
filing date -
Mar 17, 1994
priority date (Note) -
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Abstract
A recording apparatus processes a stream of compressed video data to produce a recording signal which includes periodically occurring blocks of low-frequency video component data, for use in subsequent variable-speed playback operation. The processing is executed by selecting specific elements of low-frequency video components from the compressed video data, applying time-axis compression to the low-frequency video component elements to obtain successive data blocks, and to the compressed video data to obtain successive data blocks, between which the blocks of low-frequency video component elements are inserted.
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