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DE60217612D1 - Verfahren und Vorrichtung zur Kodierung und Dekodierung von Sprachsignalen - Google Patents

Verfahren und Vorrichtung zur Kodierung und Dekodierung von Sprachsignalen

Info

Publication number
DE60217612D1
DE60217612D1 DE60217612T DE60217612T DE60217612D1 DE 60217612 D1 DE60217612 D1 DE 60217612D1 DE 60217612 T DE60217612 T DE 60217612T DE 60217612 T DE60217612 T DE 60217612T DE 60217612 D1 DE60217612 D1 DE 60217612D1
Authority
DE
Germany
Prior art keywords
coding
speech signals
decoding speech
decoding
signals
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 - Fee Related
Application number
DE60217612T
Other languages
English (en)
Other versions
DE60217612T2 (de
Inventor
Yutaka Banba
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE60217612D1 publication Critical patent/DE60217612D1/de
Application granted granted Critical
Publication of DE60217612T2 publication Critical patent/DE60217612T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE60217612T 2001-11-13 2002-11-12 Verfahren und Vorrichtung zur Kodierung und Dekodierung von Sprachsignalen Expired - Fee Related DE60217612T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001347408A JP4245288B2 (ja) 2001-11-13 2001-11-13 音声符号化装置および音声復号化装置
JP2001347408 2001-11-13

Publications (2)

Publication Number Publication Date
DE60217612D1 true DE60217612D1 (de) 2007-03-08
DE60217612T2 DE60217612T2 (de) 2007-05-16

Family

ID=19160417

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60217612T Expired - Fee Related DE60217612T2 (de) 2001-11-13 2002-11-12 Verfahren und Vorrichtung zur Kodierung und Dekodierung von Sprachsignalen

Country Status (5)

Country Link
US (1) US7155384B2 (de)
EP (1) EP1310943B1 (de)
JP (1) JP4245288B2 (de)
CN (1) CN100440758C (de)
DE (1) DE60217612T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1296888C (zh) 1999-08-23 2007-01-24 松下电器产业株式会社 音频编码装置以及音频编码方法
US8332228B2 (en) 2005-04-01 2012-12-11 Qualcomm Incorporated Systems, methods, and apparatus for anti-sparseness filtering
US8892448B2 (en) * 2005-04-22 2014-11-18 Qualcomm Incorporated Systems, methods, and apparatus for gain factor smoothing
US20090164211A1 (en) * 2006-05-10 2009-06-25 Panasonic Corporation Speech encoding apparatus and speech encoding method
EP2040251B1 (de) 2006-07-12 2019-10-09 III Holdings 12, LLC Audiodekodierungseinrichtung und audiokodierungseinrichtung
CN101325059B (zh) * 2007-06-15 2011-12-21 华为技术有限公司 语音编解码收发方法及装置
KR101441897B1 (ko) 2008-01-31 2014-09-23 삼성전자주식회사 잔차 신호 부호화 방법 및 장치와 잔차 신호 복호화 방법및 장치
CA2759914A1 (en) * 2009-05-29 2010-12-02 Nippon Telegraph And Telephone Corporation Encoding device, decoding device, encoding method, decoding method and program therefor
CN101989428B (zh) * 2009-07-31 2012-07-04 华为技术有限公司 比特分配方法、编码方法、解码方法、编码器及解码器
CN102280107B (zh) 2010-06-10 2013-01-23 华为技术有限公司 边带残差信号生成方法及装置
CN106409300B (zh) * 2014-03-19 2019-12-24 华为技术有限公司 用于信号处理的方法和装置
CN114708874A (zh) 2018-05-31 2022-07-05 华为技术有限公司 立体声信号的编码方法和装置
CN111294147B (zh) * 2019-04-25 2023-01-31 北京紫光展锐通信技术有限公司 Dmr系统的编码方法及装置、存储介质、数字对讲机

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02264520A (ja) 1989-04-04 1990-10-29 Nec Corp 帯域分割符号化復号方式並びに帯域分割符号化器及び帯域分割復号器
JPH03181232A (ja) 1989-12-11 1991-08-07 Toshiba Corp 可変レート符号化方式
JP3111459B2 (ja) 1990-06-11 2000-11-20 ソニー株式会社 音声データの高能率符号化方法
CA2046369C (en) * 1990-07-05 1997-04-15 Naoji Fujino High performance digitally multiplexed transmission system
JPH05181497A (ja) 1991-12-27 1993-07-23 Toshiba Corp ピッチ変換装置
JPH05183523A (ja) 1992-01-06 1993-07-23 Oki Electric Ind Co Ltd 音声・楽音符号化装置
JPH0669811A (ja) 1992-08-21 1994-03-11 Oki Electric Ind Co Ltd 符号化回路及び復号化回路
US5517511A (en) * 1992-11-30 1996-05-14 Digital Voice Systems, Inc. Digital transmission of acoustic signals over a noisy communication channel
JP2888129B2 (ja) 1994-03-15 1999-05-10 松下電器産業株式会社 デジタル信号記録装置
US5493647A (en) 1993-06-01 1996-02-20 Matsushita Electric Industrial Co., Ltd. Digital signal recording apparatus and a digital signal reproducing apparatus
JP3398457B2 (ja) 1994-03-10 2003-04-21 沖電気工業株式会社 量子化スケールファクタ生成方法、逆量子化スケールファクタ生成方法、適応量子化回路、適応逆量子化回路、符号化装置及び復号化装置
IT1281001B1 (it) * 1995-10-27 1998-02-11 Cselt Centro Studi Lab Telecom Procedimento e apparecchiatura per codificare, manipolare e decodificare segnali audio.
US5956674A (en) 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
JP3519859B2 (ja) 1996-03-26 2004-04-19 三菱電機株式会社 符号器及び復号器
JP3263347B2 (ja) 1997-09-20 2002-03-04 松下電送システム株式会社 音声符号化装置及び音声符号化におけるピッチ予測方法
JPH11224099A (ja) * 1998-02-06 1999-08-17 Sony Corp 位相量子化装置及び方法
JP2001007769A (ja) 1999-04-22 2001-01-12 Matsushita Electric Ind Co Ltd 低遅延サブバンド分割／合成装置
US6226616B1 (en) 1999-06-21 2001-05-01 Digital Theater Systems, Inc. Sound quality of established low bit-rate audio coding systems without loss of decoder compatibility
EP1104101A3 (de) 1999-11-26 2005-02-02 Matsushita Electric Industrial Co., Ltd. Vorrichtung zur Teilbandtrennung / Zusammensetzung eines digitalen Signal zur erzeugung einer Filterung mit Bandtrennung und Bandzusammensetzung mit verringerten Gruppenlaufzeit
WO2001050458A1 (en) 1999-12-31 2001-07-12 Thomson Licensing S.A. Subband adpcm voice encoding and decoding

Also Published As

Publication number Publication date
JP2003150198A (ja) 2003-05-23
EP1310943B1 (de) 2007-01-17
EP1310943A2 (de) 2003-05-14
CN1419349A (zh) 2003-05-21
US7155384B2 (en) 2006-12-26
US20030093266A1 (en) 2003-05-15
CN100440758C (zh) 2008-12-03
EP1310943A3 (de) 2004-02-11
JP4245288B2 (ja) 2009-03-25
DE60217612T2 (de) 2007-05-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

8339 Ceased/non-payment of the annual fee