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) EP2323131A1 (de)
JP (1) JP5173800B2 (de)
AT (1) ATE501505T1 (de)
DE (1) DE602007013026D1 (de)
WO (1) WO2007126015A1 (de)

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EP2214163A4 (de) * 2007-11-01 2011-10-05 Panasonic Corp Codierungseinrichtung, decodierungseinrichtung und verfahren dafür
EP2224432B1 (de) * 2007-12-21 2017-03-15 Panasonic Intellectual Property Corporation of America Encoder, decoder und kodierungsverfahren
RU2483367C2 (ru) * 2008-03-14 2013-05-27 Панасоник Корпорэйшн Устройство кодирования, устройство декодирования и способ для их работы
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
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
US9026236B2 (en) 2009-10-21 2015-05-05 Panasonic Intellectual Property Corporation Of America Audio signal processing apparatus, audio coding apparatus, and audio decoding apparatus
EP2555188B1 (de) * 2010-03-31 2014-05-14 Fujitsu Limited Geräte und Verfahren zur Bandbreitenerweiterung
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
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
CN105261371B (zh) * 2010-07-02 2019-12-03 杜比国际公司 选择性低音后置滤波器
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
US9875746B2 (en) 2013-09-19 2018-01-23 Sony Corporation Encoding device and method, decoding device and method, and program
KR102251833B1 (ko) 2013-12-16 2021-05-13 삼성전자주식회사 오디오 신호의 부호화, 복호화 방법 및 장치
RU2764260C2 (ru) 2013-12-27 2022-01-14 Сони Корпорейшн Устройство и способ декодирования
EP3115991A4 (de) 2014-03-03 2017-08-02 Samsung Electronics Co., Ltd. Verfahren und vorrichtung für hochfrequenz-codierung/decodierung zur bandbreitenerweiterung
CN106463133B (zh) 2014-03-24 2020-03-24 三星电子株式会社 高频带编码方法和装置，以及高频带解码方法和装置
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
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

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CN101044554A (zh) * 2004-10-13 2007-09-26 松下电器产业株式会社 可扩展性编码装置、可扩展性解码装置以及可扩展性编码方法
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KR20070068424A (ko) * 2004-10-26 2007-06-29 마츠시타 덴끼 산교 가부시키가이샤 음성 부호화 장치 및 음성 부호화 방법
KR20070070189A (ko) * 2004-10-27 2007-07-03 마츠시타 덴끼 산교 가부시키가이샤 음성 부호화 장치 및 음성 부호화 방법
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Also Published As

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

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