Method and apparatus implementing random access and time-based functions on a continuous stream of formatted digital data
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United States of America Patent
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Dec 4, 2001
Grant Date -
N/A
app pub date -
Apr 3, 1998
filing date -
Oct 10, 1997
priority date (Note) -
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Abstract
A continuous stream of formatted digital data, such as a video segment, audio segment, or information stream, appears to be a fixed length segment under certain circumstances, defining a virtual segment within the continuous stream which moves forward in time in synchrony with the continuous stream. The virtual segment thus defined can be explored in a non-linear fashion at arbitrary playback rates. For instance, concepts such as rewind, pause, frame advance, and fast forward become meaningful even though the continuous stream never ceases.
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