Data processing: speech signal processing – linguistics – language – Speech signal processing – Recognition
Reexamination Certificate
2005-07-01
2010-12-28
Chawan, Vijay B (Department: 2626)
Data processing: speech signal processing, linguistics, language
Speech signal processing
Recognition
C704S203000, C704S200100, C704S241000, C704S209000, C704S500000
Reexamination Certificate
active
07860714
ABSTRACT:
The present invention is a detection system of a segment including specific sound signal which detects a segment in a stored sound signal similar to a reference sound signal, including: a reference signal spectrogram division portion which divides a reference signal spectrogram into spectrograms of small-regions; a small-region reference signal spectrogram coding portion which encodes the small-region reference signal spectrogram to a reference signal small-region code; a small-region stored signal spectrogram coding portion which encodes a small-region stored signal spectrogram to a stored signal small-region code; a similar small-region spectrogram detection portion which detects a small-region spectrogram similar to the small-region reference signal spectrograms based on a degree of similarity of a code; and a degree of segment similarity calculation portion which uses a degree of small-region similarity and calculates a degree of similarity between the segment of the stored signal and the reference signal.
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Kashino Kunio
Kurozumi Takayuki
Nagano Hidehisa
Chawan Vijay B
Harness & Dickey & Pierce P.L.C.
Nippon Telegraph and Telephone Corporation
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