DE60229458D1 - Verfahren und Vorrichtung zur Auswahl des Kodierungsmodus der Anregung zur Sprachkodierung - Google Patents

Verfahren und Vorrichtung zur Auswahl des Kodierungsmodus der Anregung zur Sprachkodierung

Info

Publication number
DE60229458D1
DE60229458D1 DE60229458T DE60229458T DE60229458D1 DE 60229458 D1 DE60229458 D1 DE 60229458D1 DE 60229458 T DE60229458 T DE 60229458T DE 60229458 T DE60229458 T DE 60229458T DE 60229458 D1 DE60229458 D1 DE 60229458D1
Authority
DE
Germany
Prior art keywords
coding
excitation
selecting
coding mode
speech
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60229458T
Other languages
English (en)
Inventor
Hirohisa Tasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE60229458D1 publication Critical patent/DE60229458D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (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)
DE60229458T 2001-02-27 2002-02-22 Verfahren und Vorrichtung zur Auswahl des Kodierungsmodus der Anregung zur Sprachkodierung Expired - Lifetime DE60229458D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001052944A JP3404024B2 (ja) 2001-02-27 2001-02-27 音声符号化方法および音声符号化装置

Publications (1)

Publication Number Publication Date
DE60229458D1 true DE60229458D1 (de) 2008-12-04

Family

ID=18913489

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60229458T Expired - Lifetime DE60229458D1 (de) 2001-02-27 2002-02-22 Verfahren und Vorrichtung zur Auswahl des Kodierungsmodus der Anregung zur Sprachkodierung

Country Status (7)

Country Link
US (1) US7130796B2 (de)
EP (1) EP1235204B1 (de)
JP (1) JP3404024B2 (de)
CN (1) CN1185625C (de)
DE (1) DE60229458D1 (de)
IL (1) IL148101A0 (de)
TW (1) TW554334B (de)

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ATE430360T1 (de) * 2004-03-01 2009-05-15 Dolby Lab Licensing Corp Mehrkanalige audiodekodierung
DE102005002195A1 (de) * 2005-01-17 2006-07-27 Siemens Ag Verfahren und Anordnung zur Regeneration eines optischen Datensignals
US7852999B2 (en) * 2005-04-27 2010-12-14 Cisco Technology, Inc. Classifying signals at a conference bridge
US7461106B2 (en) * 2006-09-12 2008-12-02 Motorola, Inc. Apparatus and method for low complexity combinatorial coding of signals
JP2008170488A (ja) * 2007-01-06 2008-07-24 Yamaha Corp 波形圧縮装置、波形伸長装置、プログラムおよび圧縮データの生産方法
US8576096B2 (en) * 2007-10-11 2013-11-05 Motorola Mobility Llc Apparatus and method for low complexity combinatorial coding of signals
US8209190B2 (en) * 2007-10-25 2012-06-26 Motorola Mobility, Inc. Method and apparatus for generating an enhancement layer within an audio coding system
US7889103B2 (en) * 2008-03-13 2011-02-15 Motorola Mobility, Inc. Method and apparatus for low complexity combinatorial coding of signals
US20090234642A1 (en) * 2008-03-13 2009-09-17 Motorola, Inc. Method and Apparatus for Low Complexity Combinatorial Coding of Signals
US8639519B2 (en) * 2008-04-09 2014-01-28 Motorola Mobility Llc Method and apparatus for selective signal coding based on core encoder performance
US8175888B2 (en) * 2008-12-29 2012-05-08 Motorola Mobility, Inc. Enhanced layered gain factor balancing within a multiple-channel audio coding system
US8219408B2 (en) * 2008-12-29 2012-07-10 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8200496B2 (en) * 2008-12-29 2012-06-12 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8140342B2 (en) * 2008-12-29 2012-03-20 Motorola Mobility, Inc. Selective scaling mask computation based on peak detection
US8442837B2 (en) * 2009-12-31 2013-05-14 Motorola Mobility Llc Embedded speech and audio coding using a switchable model core
US8428936B2 (en) * 2010-03-05 2013-04-23 Motorola Mobility Llc Decoder for audio signal including generic audio and speech frames
US8423355B2 (en) * 2010-03-05 2013-04-16 Motorola Mobility Llc Encoder for audio signal including generic audio and speech frames
EP3407352B9 (de) * 2011-02-18 2022-08-10 Ntt Docomo, Inc. Sprachdecodierer, sprachcodierer, sprachdecodierungsverfahren, sprachcodierungsverfahren, sprachdecodierungsprogramm und sprachcodierungsprogramm
US9025779B2 (en) 2011-08-08 2015-05-05 Cisco Technology, Inc. System and method for using endpoints to provide sound monitoring
US9129600B2 (en) 2012-09-26 2015-09-08 Google Technology Holdings LLC Method and apparatus for encoding an audio signal
KR102392003B1 (ko) 2014-03-28 2022-04-28 삼성전자주식회사 선형예측계수 양자화방법 및 장치와 역양자화 방법 및 장치
CN105096958B (zh) * 2014-04-29 2017-04-12 华为技术有限公司 音频编码方法及相关装置
CN112927702A (zh) 2014-05-07 2021-06-08 三星电子株式会社 对线性预测系数量化的方法和装置及解量化的方法和装置
CN110097874A (zh) * 2019-05-16 2019-08-06 上海流利说信息技术有限公司 一种发音纠正方法、装置、设备以及存储介质

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JPH03132700A (ja) * 1989-10-18 1991-06-06 Victor Co Of Japan Ltd 音声の適応直交変換符号化方法
JPH03156498A (ja) 1989-11-15 1991-07-04 Nec Corp 音声符号化方式
JPH0467200A (ja) * 1990-07-09 1992-03-03 Matsushita Electric Ind Co Ltd 有音区間判定方法
JP3065638B2 (ja) 1990-08-09 2000-07-17 株式会社東芝 音声符号化方式
JPH05150800A (ja) 1991-11-30 1993-06-18 Fujitsu Ltd 音声符号器
JP3364825B2 (ja) 1996-05-29 2003-01-08 三菱電機株式会社 音声符号化装置および音声符号化復号化装置
CN1169117C (zh) * 1996-11-07 2004-09-29 松下电器产业株式会社 声源矢量生成装置以及声音编码装置和声音解码装置
US6202046B1 (en) * 1997-01-23 2001-03-13 Kabushiki Kaisha Toshiba Background noise/speech classification method
WO1998040877A1 (fr) 1997-03-12 1998-09-17 Mitsubishi Denki Kabushiki Kaisha Codeur vocal, decodeur vocal, codeur/decodeur vocal, procede de codage vocal, procede de decodage vocal et procede de codage/decodage vocal
WO1999010719A1 (en) * 1997-08-29 1999-03-04 The Regents Of The University Of California Method and apparatus for hybrid coding of speech at 4kbps
EP2154679B1 (de) 1997-12-24 2016-09-14 BlackBerry Limited Verfahren und Vorrichtung zur Sprachkodierung
JP2002530706A (ja) 1998-11-13 2002-09-17 クゥアルコム・インコーポレイテッド 閉ループ可変速度マルチモード予測スピーチコーダ
JP4028651B2 (ja) 1998-12-14 2007-12-26 株式会社シマノ 竿
US6311154B1 (en) * 1998-12-30 2001-10-30 Nokia Mobile Phones Limited Adaptive windows for analysis-by-synthesis CELP-type speech coding
JP2000200097A (ja) 1999-01-07 2000-07-18 Mitsubishi Electric Corp 音声符号化装置、音声復号化装置及び音声符号化復号化装置
US6697430B1 (en) * 1999-05-19 2004-02-24 Matsushita Electric Industrial Co., Ltd. MPEG encoder
US6510407B1 (en) * 1999-10-19 2003-01-21 Atmel Corporation Method and apparatus for variable rate coding of speech

Also Published As

Publication number Publication date
CN1372247A (zh) 2002-10-02
JP2002258896A (ja) 2002-09-11
JP3404024B2 (ja) 2003-05-06
CN1185625C (zh) 2005-01-19
TW554334B (en) 2003-09-21
EP1235204B1 (de) 2008-10-22
IL148101A0 (en) 2002-09-12
EP1235204A3 (de) 2003-10-22
US20020147582A1 (en) 2002-10-10
US7130796B2 (en) 2006-10-31
EP1235204A2 (de) 2002-08-28

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