Method and apparatus of retrieving voice coded data and moving image coded data
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United States of America Patent
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-
Nov 7, 2000
Grant Date -
N/A
app pub date -
May 23, 1997
filing date -
May 24, 1996
priority date (Note) -
In Force
status (Latency Note)
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Abstract
There is provided retrieving method and apparatus for performing automatic search for a necessary search point by analyzing coded data without decoding it. Voice/moving image compressed data recorded on a recording/reproducing device is sequentially read at a high speed, code quantities and coding process parameters of individual pictures in the moving image compressed data are detected to analyze a feature of each picture, voice coding process parameters are detected from voice compressed data to analyze a feature of each voice, deciding, on the basis of results of analysis of voice and picture, whether the retrieved data is a point to be searched, and when a search point is determined, the recording/reproducing device is controlled such that corresponding voice/moving image compressed data is read at a standard speed and the read-out data is decoded to perform automatic search for desired voice/moving image coded data.
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