Effective audio segmentation and classification
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United States of America Patent
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Sep 16, 2014
Grant Date -
Jan 1, 2009
app pub date -
Jun 6, 2005
filing date -
Jun 9, 2004
priority date (Note) -
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Abstract
A method (400) and system (200) for classifying a audio signal are described. The method (400) operates by first receiving a sequence of audio frame feature data, each of the frame feature data characterising an audio frame along the audio segment. In response to receipt of each of the audio frame feature data, statistical data characterising the audio segment is updated with the received frame feature data. The received frame feature data is then discarded. A preliminary classification for the audio segment may be determined from the statistical data. Upon receipt of a notification of an end boundary of the audio segment, the audio segment is classified (410) based on the statistical data.
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