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Yoshihisa Nakatoh
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Katano, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Multistage inverse quantization having a plurality of frequency bands
Patent number
7,243,061
Issue date
Jul 10, 2007
Matsushita Electric Industrial Co., Ltd.
Takeshi Norimatsu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multistage inverse quantization having the plurality of frequency b...
Patent number
6,904,404
Issue date
Jun 7, 2005
Matsushita Electric Industrial Co., Ltd.
Takeshi Norimatsu
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Audio signal compression method, audio signal compression apparatus...
Patent number
6,477,490
Issue date
Nov 5, 2002
Matsushita Electric Industrial Co., Ltd.
Yoshihisa Nakatoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Speech recognition method and apparatus using frequency warping of...
Patent number
6,311,153
Issue date
Oct 30, 2001
Matsushita Electric Industrial Co., Ltd.
Yoshihisa Nakatoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus for expanding narrowband speech to wideband speech by cod...
Patent number
5,978,759
Issue date
Nov 2, 1999
Matsushita Electric Industrial Co., Ltd.
Mineo Tsushima
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Method and an apparatus for speech detection for determining whethe...
Patent number
5,611,019
Issue date
Mar 11, 1997
Matsushita Electric Industrial Co., Ltd.
Yoshihisa Nakatoh
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Patents Applications
last 30 patents
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Patent Application
Multistage inverse quantization having the plurality of frequency b...
Publication number
20050060147
Publication date
Mar 17, 2005
Takeshi Norimatsu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Audio signal compression method, audio signal compression apparatus...
Publication number
20010044727
Publication date
Nov 22, 2001
Yoshihisa Nakatoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE