ATE501505T1 - Audiocodierungseinrichtung, audiodecodierungseinrichtung und verfahren dafür - Google Patents

Audiocodierungseinrichtung, audiodecodierungseinrichtung und verfahren dafür

Info

Publication number
ATE501505T1
ATE501505T1 AT07742526T AT07742526T ATE501505T1 AT E501505 T1 ATE501505 T1 AT E501505T1 AT 07742526 T AT07742526 T AT 07742526T AT 07742526 T AT07742526 T AT 07742526T AT E501505 T1 ATE501505 T1 AT E501505T1
Authority
AT
Austria
Prior art keywords
unit
filter
coefficient
pitch
noise characteristic
Prior art date
Application number
AT07742526T
Other languages
English (en)
Inventor
Masahiro Oshikiri
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 ATE501505T1 publication Critical patent/ATE501505T1/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
    • G10L19/04—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 predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
AT07742526T 2006-04-27 2007-04-26 Audiocodierungseinrichtung, audiodecodierungseinrichtung und verfahren dafür ATE501505T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006124175 2006-04-27
PCT/JP2007/059091 WO2007126015A1 (ja) 2006-04-27 2007-04-26 音声符号化装置、音声復号化装置、およびこれらの方法

Publications (1)

Publication Number Publication Date
ATE501505T1 true ATE501505T1 (de) 2011-03-15

Family

ID=38655539

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07742526T ATE501505T1 (de) 2006-04-27 2007-04-26 Audiocodierungseinrichtung, audiodecodierungseinrichtung und verfahren dafür

Country Status (6)

Country Link
US (1) US20100161323A1 (de)
EP (2) EP2012305B1 (de)
JP (1) JP5173800B2 (de)
AT (1) ATE501505T1 (de)
DE (1) DE602007013026D1 (de)
WO (1) WO2007126015A1 (de)

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US8032359B2 (en) 2007-02-14 2011-10-04 Mindspeed Technologies, Inc. Embedded silence and background noise compression
WO2009057329A1 (ja) * 2007-11-01 2009-05-07 Panasonic Corporation 符号化装置、復号装置およびこれらの方法
US8423371B2 (en) * 2007-12-21 2013-04-16 Panasonic Corporation Audio encoder, decoder, and encoding method thereof
RU2483367C2 (ru) * 2008-03-14 2013-05-27 Панасоник Корпорэйшн Устройство кодирования, устройство декодирования и способ для их работы
JP5928539B2 (ja) * 2009-10-07 2016-06-01 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
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
EP2704143B1 (de) * 2009-10-21 2015-01-07 Panasonic Intellectual Property Corporation of America Vorrichtung, Verfahren, Computer Programm zur Audiosignalverarbeitung
JP5598536B2 (ja) * 2010-03-31 2014-10-01 富士通株式会社 帯域拡張装置および帯域拡張方法
JP5652658B2 (ja) 2010-04-13 2015-01-14 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
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
JP5609737B2 (ja) 2010-04-13 2014-10-22 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
CA3025108C (en) 2010-07-02 2020-10-27 Dolby International Ab Audio decoding with selective post filtering
JP6075743B2 (ja) * 2010-08-03 2017-02-08 ソニー株式会社 信号処理装置および方法、並びにプログラム
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
JP5942358B2 (ja) 2011-08-24 2016-06-29 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
US8897352B2 (en) * 2012-12-20 2014-11-25 Nvidia Corporation Multipass approach for performing channel equalization training
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
KR102251833B1 (ko) * 2013-12-16 2021-05-13 삼성전자주식회사 오디오 신호의 부호화, 복호화 방법 및 장치
KR20250012719A (ko) 2013-12-27 2025-01-24 소니그룹주식회사 복호화 장치 및 방법, 및 프로그램
CN111312277B (zh) 2014-03-03 2023-08-15 三星电子株式会社 用于带宽扩展的高频解码的方法及设备
JP6616316B2 (ja) 2014-03-24 2019-12-04 サムスン エレクトロニクス カンパニー リミテッド 高帯域符号化方法及びその装置、並びに高帯域復号方法及びその装置
JP7196993B2 (ja) * 2018-11-22 2022-12-27 株式会社Ｊｖｃケンウッド 音声処理条件設定装置、無線通信装置、および音声処理条件設定方法
JP7005848B2 (ja) * 2018-11-22 2022-01-24 株式会社Ｊｖｃケンウッド 音声処理条件設定装置、無線通信装置、および音声処理条件設定方法

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JP2588004B2 (ja) * 1988-09-19 1997-03-05 日本電信電話株式会社 後処理フィルタ
US5327520A (en) * 1992-06-04 1994-07-05 At&T Bell Laboratories Method of use of voice message coder/decoder
US6256606B1 (en) * 1998-11-30 2001-07-03 Conexant Systems, Inc. Silence description coding for multi-rate speech codecs
US6691084B2 (en) * 1998-12-21 2004-02-10 Qualcomm Incorporated Multiple mode variable rate speech coding
US6691085B1 (en) * 2000-10-18 2004-02-10 Nokia Mobile Phones Ltd. Method and system for estimating artificial high band signal in speech codec using voice activity information
JP2004302257A (ja) * 2003-03-31 2004-10-28 Matsushita Electric Ind Co Ltd 長期ポストフィルタ
EP3336843B1 (de) * 2004-05-14 2021-06-23 Panasonic Intellectual Property Corporation of America Sprachcodierungsverfahren und sprachcodierungsvorrichtung
JP4606418B2 (ja) * 2004-10-13 2011-01-05 パナソニック株式会社 スケーラブル符号化装置、スケーラブル復号装置及びスケーラブル符号化方法
EP1780155B8 (de) 2004-10-14 2012-03-14 Muller Martini Corp Produktzufuhreinrichtung mit Beschleunigungs- und Bremseinrichtungen
ATE537536T1 (de) * 2004-10-26 2011-12-15 Panasonic Corp Sprachkodierungsvorrichtung und sprachkodierungsverfahren
BRPI0518193A (pt) * 2004-10-27 2008-11-04 Matsushita Electric Industrial Co Ltd aparelho e método de codificação vocal, aparelhos de estação móvel e de base de comunicação de rádio
RU2500043C2 (ru) * 2004-11-05 2013-11-27 Панасоник Корпорэйшн Кодер, декодер, способ кодирования и способ декодирования
US7813931B2 (en) * 2005-04-20 2010-10-12 QNX Software Systems, Co. System for improving speech quality and intelligibility with bandwidth compression/expansion
US7953605B2 (en) * 2005-10-07 2011-05-31 Deepen Sinha Method and apparatus for audio encoding and decoding using wideband psychoacoustic modeling and bandwidth extension

Also Published As

Publication number Publication date
JPWO2007126015A1 (ja) 2009-09-10
WO2007126015A1 (ja) 2007-11-08
EP2012305A4 (de) 2010-04-14
DE602007013026D1 (de) 2011-04-21
US20100161323A1 (en) 2010-06-24
JP5173800B2 (ja) 2013-04-03
EP2323131A1 (de) 2011-05-18
EP2012305A1 (de) 2009-01-07
EP2012305B1 (de) 2011-03-09

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