Inventor
YASUNAGA KAZUTOSHI
JP35 patents
⚠️ This page may combine multiple inventors who share the name “YASUNAGA KAZUTOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
23 patentsUS6453288B1Sep 17, 2002
Method and apparatus for producing component of excitation vector
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD70 citations97
US6345247B1Feb 5, 2002
Excitation vector generator, speech coder and speech decoder
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD49 citations97
US6330534B1Dec 11, 2001
Excitation vector generator, speech coder and speech decoder
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD56 citations97
US6947889B2Sep 20, 2005
Excitation vector generator and a method for generating an excitation vector including a convolution system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations96
US6757650B2Jun 29, 2004
Excitation vector generator, speech coder and speech decoder
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations96
US6421639B1Jul 16, 2002
Apparatus and method for providing an excitation vector
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations96
US6415254B1Jul 2, 2002
Sound encoder and sound decoder
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD48 citations96
US6330535B1Dec 11, 2001
Method for providing excitation vector
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD42 citations96
US7383176B2Jun 3, 2008
Apparatus and method for speech coding
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations93
US7289952B2Oct 30, 2007
Excitation vector generator, speech coder and speech decoder
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations93
US6988065B1Jan 17, 2006
Voice encoder and voice encoding method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations93
US6910008B1Jun 21, 2005
Excitation vector generator, speech coder and speech decoder
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations93
US7392179B2Jun 24, 2008
LPC vector quantization apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD38 citations92
US7065338B2Jun 20, 2006
Method, device and program for coding and decoding acoustic parameter, and method, device and program for coding and decoding sound
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 citations92
US7024356B2Apr 4, 2006
Speech coder and speech decoder
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations82
US6799160B2Sep 28, 2004
Noise canceller
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations82
US7398205B2Jul 8, 2008
Code excited linear prediction speech decoder and method thereof
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations74
US7110943B1Sep 19, 2006
Speech coding apparatus and speech decoding apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US6772115B2Aug 3, 2004
LSP quantizer
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations74
US7398206B2Jul 8, 2008
Speech coding apparatus and speech decoding apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations63
US7289953B2Oct 30, 2007
Apparatus and method for speech coding
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations63
US7177802B2Feb 13, 2007
Pitch cycle search range setting apparatus and pitch cycle search apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations63
US7373295B2May 13, 2008
Speech coder and speech decoder
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations52
PANASONIC CORP
10 patentsUS8036887B2Oct 11, 2011
CELP speech decoder modifying an input vector with a fixed waveform to transform a waveform of the input vector
PANASONIC CORP25 citations96
US7925501B2Apr 12, 2011
Speech coder using an orthogonal search and an orthogonal search method
PANASONIC CORP8 citations93
US7478042B2Jan 13, 2009
Speech decoder that detects stationary noise signal regions
PANASONIC CORP11 citations84
US7590527B2Sep 15, 2009
Speech coder using an orthogonal search and an orthogonal search method
PANASONIC CORP5 citations74
US7546239B2Jun 9, 2009
Speech coder and speech decoder
PANASONIC CORP6 citations74
US7533016B2May 12, 2009
Speech coder and speech decoder
PANASONIC CORP5 citations74
US7499854B2Mar 3, 2009
Speech coder and speech decoder
PANASONIC CORP5 citations74
US7580834B2Aug 25, 2009
Fixed sound source vector generation method and fixed sound source codebook
PANASONIC CORP7 citations73
US8352253B2Jan 8, 2013
Speech coder and speech decoder
PANASONIC CORP0 citations52
US7542898B2Jun 2, 2009
Pitch cycle search range setting apparatus and pitch cycle search apparatus
PANASONIC CORP0 citations52