Inventor
OSHIKIRI MASAHIRO
JP100 patents
⚠️ This page may combine multiple inventors who share the name “OSHIKIRI MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
12 patentsUS6167375ADec 26, 2000
Method for encoding and decoding a speech signal including background noise
TOSHIBA KK178 citations99
US5864798AJan 26, 1999
Method and apparatus for adjusting a spectrum shape of a speech signal
TOSHIBA KK112 citations97
US6202046B1Mar 13, 2001
Background noise/speech classification method
TOSHIBA KK58 citations96
US6064962AMay 16, 2000
Formant emphasis method and formant emphasis filter device
TOSHIBA KK103 citations96
US5819213AOct 6, 1998
Speech encoding and decoding with pitch filter range unrestricted by codebook range and preselecting, then increasing, search candidates from linear overlap codebooks
TOSHIBA KK60 citations96
US6704702B2Mar 9, 2004
Speech encoding method, apparatus and program
TOSHIBA KK36 citations93
US6470310B1Oct 22, 2002
Method and system for speech encoding involving analyzing search range for current period according to length of preceding pitch period
TOSHIBA KK24 citations93
US5671327ASep 23, 1997
Speech encoding apparatus utilizing stored code data
TOSHIBA KK24 citations93
US6427135B1Jul 30, 2002
Method for encoding speech wherein pitch periods are changed based upon input speech signal
TOSHIBA KK37 citations92
US5878387AMar 2, 1999
Coding apparatus having adaptive coding at different bit rates and pitch emphasis
TOSHIBA KK33 citations92
US5677986AOct 14, 1997
Vector quantizing apparatus
TOSHIBA KK25 citations92
US7191120B2Mar 13, 2007
Speech encoding method, apparatus and program
TOSHIBA KK9 citations74
OSHIKIRI MASAHIRO
12 patentsUS8554549B2Oct 8, 2013
Encoding device and method including encoding of error transform coefficients
OSHIKIRI MASAHIRO32 citations93
US8463602B2Jun 11, 2013
Encoding device, decoding device, and method thereof
OSHIKIRI MASAHIRO32 citations93
US8315863B2Nov 20, 2012
Post filter, decoder, and post filtering method
OSHIKIRI MASAHIRO20 citations93
US9514757B2Dec 6, 2016
Stereo signal encoding device, stereo signal decoding device, stereo signal encoding method, and stereo signal decoding method
OSHIKIRI MASAHIRO11 citations84
US8892428B2Nov 18, 2014
Encoding apparatus, decoding apparatus, encoding method, and decoding method for adjusting a spectrum amplitude
OSHIKIRI MASAHIRO8 citations84
US8543392B2Sep 24, 2013
Encoding device, decoding device, and method thereof for specifying a band of a great error
OSHIKIRI MASAHIRO7 citations84
US8326606B2Dec 4, 2012
Sound encoding device and sound encoding method
OSHIKIRI MASAHIRO13 citations84
US8209188B2Jun 26, 2012
Scalable coding/decoding apparatus and method based on quantization precision in bands
OSHIKIRI MASAHIRO11 citations84
US8103516B2Jan 24, 2012
Subband coding apparatus and method of coding subband
OSHIKIRI MASAHIRO8 citations84
US8099275B2Jan 17, 2012
Sound encoder and sound encoding method for generating a second layer decoded signal based on a degree of variation in a first layer decoded signal
OSHIKIRI MASAHIRO7 citations84
US8315322B2Nov 20, 2012
Spectrum coding apparatus, spectrum decoding apparatus, acoustic signal transmission apparatus, acoustic signal reception apparatus and methods thereof
OSHIKIRI MASAHIRO4 citations74
US8599981B2Dec 3, 2013
Post-filter, decoding device, and post-filter processing method
OSHIKIRI MASAHIRO5 citations73
PANASONIC CORP
9 patentsUS8352249B2Jan 8, 2013
Encoding device, decoding device, and method thereof
PANASONIC CORP21 citations93
US7996233B2Aug 9, 2011
Acoustic coding of an enhancement frame having a shorter time length than a base frame
PANASONIC CORP27 citations93
US7983904B2Jul 19, 2011
Scalable decoding apparatus and scalable encoding apparatus
PANASONIC CORP24 citations93
US7769584B2Aug 3, 2010
Encoder, decoder, encoding method, and decoding method
PANASONIC CORP27 citations93
US7752052B2Jul 6, 2010
Scalable coder and decoder performing amplitude flattening for error spectrum estimation
PANASONIC CORP19 citations93
US8918315B2Dec 23, 2014
Encoding apparatus, decoding apparatus, encoding method and decoding method
PANASONIC CORP5 citations84
US8352258B2Jan 8, 2013
Encoding device, decoding device, and methods thereof based on subbands common to past and current frames
PANASONIC CORP17 citations84
US7949057B2May 24, 2011
Spectrum coding apparatus, spectrum decoding apparatus, acoustic signal transmission apparatus, acoustic signal reception apparatus and methods thereof
PANASONIC CORP6 citations74
US8688440B2Apr 1, 2014
Coding apparatus, decoding apparatus, coding method and decoding method
PANASONIC CORP4 citations73
PANASONIC IP CORP AMERICA
7 patentsUS9472200B2Oct 18, 2016
Encoding apparatus and encoding method
PANASONIC IP CORP AMERICA4 citations84
US9741356B2Aug 22, 2017
Coding apparatus, decoding apparatus, and methods
PANASONIC IP CORP AMERICA6 citations83
US10210877B2Feb 19, 2019
Speech audio encoding device, speech audio decoding device, speech audio encoding method, and speech audio decoding method
PANASONIC IP CORP AMERICA3 citations73
US9679576B2Jun 13, 2017
Speech audio encoding device, speech audio decoding device, speech audio encoding method, and speech audio decoding method
PANASONIC IP CORP AMERICA2 citations73
US10629218B2Apr 21, 2020
Encoding apparatus, decoding apparatus, and methods
PANASONIC IP CORP AMERICA2 citations72
US9767815B2Sep 19, 2017
Voice audio encoding device, voice audio decoding device, voice audio encoding method, and voice audio decoding method
PANASONIC IP CORP AMERICA3 citations72
US9390721B2Jul 12, 2016
Speech decoding device and speech decoding method
PANASONIC IP CORP AMERICA3 citations72
YAMANASHI TOMOFUMI
4 patentsUS8423371B2Apr 16, 2013
Audio encoder, decoder, and encoding method thereof
YAMANASHI TOMOFUMI20 citations92
US9076434B2Jul 7, 2015
Decoding and encoding apparatus and method for efficiently encoding spectral data in a high-frequency portion based on spectral data in a low-frequency portion of a wideband signal
YAMANASHI TOMOFUMI7 citations84
US8306827B2Nov 6, 2012
Coding device and coding method with high layer coding based on lower layer coding results
YAMANASHI TOMOFUMI13 citations84
US8452588B2May 28, 2013
Encoding device, decoding device, and method thereof
YAMANASHI TOMOFUMI5 citations73
KAWASHIMA TAKUYA
2 patentsUS9384749B2Jul 5, 2016
Encoding device, decoding device, encoding method and decoding method
KAWASHIMA TAKUYA9 citations83
US9361892B2Jun 7, 2016
Encoder apparatus and method that perform preliminary signal selection for transform coding before main signal selection for transform coding
KAWASHIMA TAKUYA3 citations73
MORII TOSHIYUKI
1 patentLIU ZONGXIAN
1 patentFRAUNHOFER GES FORSCHUNG
1 patentDAIMOU KATSUNORI
1 patentShowing the top 50 of 100 patents by PatentIndex Score.