ATE463029T1 - Codierungseinrichtung und codierungsverfahren - Google Patents

Codierungseinrichtung und codierungsverfahren

Info

Publication number
ATE463029T1
ATE463029T1 AT07743017T AT07743017T ATE463029T1 AT E463029 T1 ATE463029 T1 AT E463029T1 AT 07743017 T AT07743017 T AT 07743017T AT 07743017 T AT07743017 T AT 07743017T AT E463029 T1 ATE463029 T1 AT E463029T1
Authority
AT
Austria
Prior art keywords
spectrum data
band spectrum
encoding
signal
band
Prior art date
Application number
AT07743017T
Other languages
English (en)
Inventor
Tomofumi Yamanashi
Kaoru Sato
Toshiyuki Morii
Original Assignee
Panasonic Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panasonic Corp filed Critical Panasonic Corp
Application granted granted Critical
Publication of ATE463029T1 publication Critical patent/ATE463029T1/de

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • G10L19/0208—Subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Error Detection And Correction (AREA)
AT07743017T 2006-05-10 2007-05-09 Codierungseinrichtung und codierungsverfahren ATE463029T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2006131852 2006-05-10
JP2007047931 2007-02-27
PCT/JP2007/059582 WO2007129728A1 (ja) 2006-05-10 2007-05-09 符号化装置及び符号化方法

Publications (1)

Publication Number Publication Date
ATE463029T1 true ATE463029T1 (de) 2010-04-15

Family

ID=38667836

Family Applications (2)

Application Number Title Priority Date Filing Date
AT07743017T ATE463029T1 (de) 2006-05-10 2007-05-09 Codierungseinrichtung und codierungsverfahren
AT10003491T ATE528750T1 (de) 2006-05-10 2007-05-09 Kodierungsvorrichtung und -verfahren

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT10003491T ATE528750T1 (de) 2006-05-10 2007-05-09 Kodierungsvorrichtung und -verfahren

Country Status (6)

Country Link
US (1) US8121850B2 (de)
EP (2) EP2017830B9 (de)
JP (1) JP5190359B2 (de)
AT (2) ATE463029T1 (de)
DE (1) DE602007005630D1 (de)
WO (1) WO2007129728A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3336843B1 (de) * 2004-05-14 2021-06-23 Panasonic Intellectual Property Corporation of America Sprachcodierungsverfahren und sprachcodierungsvorrichtung
JP4871894B2 (ja) * 2007-03-02 2012-02-08 パナソニック株式会社 符号化装置、復号装置、符号化方法および復号方法
JP2010079275A (ja) * 2008-08-29 2010-04-08 Sony Corp 周波数帯域拡大装置及び方法、符号化装置及び方法、復号化装置及び方法、並びにプログラム
JP5326714B2 (ja) * 2009-03-23 2013-10-30 沖電気工業株式会社 帯域拡張装置、方法及びプログラム、並びに、量子化雑音学習装置、方法及びプログラム
US8781844B2 (en) 2009-09-25 2014-07-15 Nokia Corporation Audio coding
JP5754899B2 (ja) 2009-10-07 2015-07-29 ソニー株式会社 復号装置および方法、並びにプログラム
CN102044250B (zh) * 2009-10-23 2012-06-27 华为技术有限公司 频带扩展方法及装置
JP5850216B2 (ja) 2010-04-13 2016-02-03 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
US8924200B2 (en) * 2010-10-15 2014-12-30 Motorola Mobility Llc Audio signal bandwidth extension in CELP-based speech coder
JP5707842B2 (ja) 2010-10-15 2015-04-30 ソニー株式会社 符号化装置および方法、復号装置および方法、並びにプログラム
JP5704397B2 (ja) * 2011-03-31 2015-04-22 ソニー株式会社 符号化装置および方法、並びにプログラム
JP6531649B2 (ja) 2013-09-19 2019-06-19 ソニー株式会社 符号化装置および方法、復号化装置および方法、並びにプログラム
KR102356012B1 (ko) 2013-12-27 2022-01-27 소니그룹주식회사 복호화 장치 및 방법, 및 프로그램
WO2022097239A1 (ja) * 2020-11-05 2022-05-12 日本電信電話株式会社 音信号精製方法、音信号復号方法、これらの装置、プログラム及び記録媒体

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3139602B2 (ja) * 1995-03-24 2001-03-05 日本電信電話株式会社 音響信号符号化方法及び復号化方法
SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
US6640209B1 (en) * 1999-02-26 2003-10-28 Qualcomm Incorporated Closed-loop multimode mixed-domain linear prediction (MDLP) speech coder
JP3923783B2 (ja) 2001-11-02 2007-06-06 松下電器産業株式会社 符号化装置及び復号化装置
WO2003038812A1 (en) * 2001-11-02 2003-05-08 Matsushita Electric Industrial Co., Ltd. Audio encoding and decoding device
KR100935961B1 (ko) * 2001-11-14 2010-01-08 파나소닉 주식회사 부호화 장치 및 복호화 장치
JP3926726B2 (ja) 2001-11-14 2007-06-06 松下電器産業株式会社 符号化装置および復号化装置
JP4272897B2 (ja) * 2002-01-30 2009-06-03 パナソニック株式会社 符号化装置、復号化装置およびその方法
EP1470550B1 (de) * 2002-01-30 2008-09-03 Matsushita Electric Industrial Co., Ltd. Verfahren und vorrichtung zur audio-kodierung und -dekodierung
US7752052B2 (en) * 2002-04-26 2010-07-06 Panasonic Corporation Scalable coder and decoder performing amplitude flattening for error spectrum estimation
JP3861770B2 (ja) * 2002-08-21 2006-12-20 ソニー株式会社 信号符号化装置及び方法、信号復号装置及び方法、並びにプログラム及び記録媒体
EP3336843B1 (de) * 2004-05-14 2021-06-23 Panasonic Intellectual Property Corporation of America Sprachcodierungsverfahren und sprachcodierungsvorrichtung
CN101006495A (zh) * 2004-08-31 2007-07-25 松下电器产业株式会社 语音编码装置、语音解码装置、通信装置以及语音编码方法
JP4977471B2 (ja) * 2004-11-05 2012-07-18 パナソニック株式会社 符号化装置及び符号化方法
JP4431790B2 (ja) 2004-11-09 2010-03-17 国立大学法人金沢大学 レゾルシノールノボラック誘導体
JP4646731B2 (ja) 2005-08-08 2011-03-09 シャープ株式会社 携帯情報端末装置

Also Published As

Publication number Publication date
WO2007129728A1 (ja) 2007-11-15
JPWO2007129728A1 (ja) 2009-09-17
EP2200026A1 (de) 2010-06-23
EP2017830B1 (de) 2010-03-31
ATE528750T1 (de) 2011-10-15
EP2017830A1 (de) 2009-01-21
EP2017830A4 (de) 2009-05-27
EP2017830B9 (de) 2011-02-23
US8121850B2 (en) 2012-02-21
JP5190359B2 (ja) 2013-04-24
EP2200026B1 (de) 2011-10-12
DE602007005630D1 (de) 2010-05-12
US20090171673A1 (en) 2009-07-02

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