SOUND DETECTING DEVICE, SOUND DETECTING PROGRAM, AND PARAMETER ADJUSTING METHOD

WIPO Patent Application WO/2010/070840

A1

A determination result deriving means (74) determines whether each unit time applies to sound or non-sound for a time series of sound data for which the number of sound sections and the number of non-sound sections are already known, compares a continuation length threshold value with the length of a section determined to apply to continuous sound or the length of a section determined to apply to continuous non-sound from the determination results, and shapes the sound sections and the non-sound sections. A number-of-sections calculating means (75) calculates the number of sound sections and the number of non-sound sections. A continuation length threshold value updating means (76) updates the continuation length threshold value so that the difference between the calculated number of sound sections and the correct number of sound sections, or the difference between the calculated number of non-sound sections and the correct number of non-sound sections will be small.

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ARAKAWA TAKAYUKI (JP)
TSUJIKAWA MASANORI (JP)

PCT/JP2009/006666

June 24, 2010

December 07, 2009

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NEC CORP (JP)
ARAKAWA TAKAYUKI (JP)
TSUJIKAWA MASANORI (JP)

G10L15/04; G10L25/78; G10L21/0208

JP2008170789A	2008-07-24
JP2008151840A	2008-07-03
JP2005017932A	2005-01-20
JP2004510209A	2004-04-02
JPS62223798A	1987-10-01
JP2006209069A	2006-08-10

IWAKABE, Fuyuki et al. (JP)
Fuyuki Iwakabe (JP)

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