Systems and methods for speaker change detection
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United States of America Patent
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Issued Date -
Oct 14, 2004
app pub date -
Oct 16, 2003
filing date -
Oct 17, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A speaker change detection system performs speaker change detection on an input audio stream. The speaker change detection system includes a segmentation component [401], a phone classification decode component [402], and a speaker change detection component [403]. The segmentation component [401] segments the audio stream into segments [501-504] of predetermined length intervals. The segments may overlap one another. The phone classification decode component decodes the intervals to produce a set of phone classes corresponding to each of the intervals. The speaker change detection component detects locations of speaker changes in the audio stream based on a similarity value calculated at phone class boundaries.
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