DE69703233D1 - Verfahren und Systeme zur Sprachkodierung - Google Patents

Verfahren und Systeme zur Sprachkodierung

Info

Publication number
DE69703233D1
DE69703233D1 DE69703233T DE69703233T DE69703233D1 DE 69703233 D1 DE69703233 D1 DE 69703233D1 DE 69703233 T DE69703233 T DE 69703233T DE 69703233 T DE69703233 T DE 69703233T DE 69703233 D1 DE69703233 D1 DE 69703233D1
Authority
DE
Germany
Prior art keywords
coding
spectral
speech
linear
systems
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
DE69703233T
Other languages
English (en)
Other versions
DE69703233T2 (de
Inventor
Rajiv Laroia
Boon-Lock Yeo
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.)
Nokia of America Corp
Original Assignee
Lucent Technologies Inc
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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Application granted granted Critical
Publication of DE69703233D1 publication Critical patent/DE69703233D1/de
Publication of DE69703233T2 publication Critical patent/DE69703233T2/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
    • G10L19/02—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
    • G10L19/0212—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 orthogonal transformation
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE69703233T 1996-12-19 1997-12-02 Verfahren und Systeme zur Sprachkodierung Expired - Lifetime DE69703233T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/770,615 US5839098A (en) 1996-12-19 1996-12-19 Speech coder methods and systems

Publications (2)

Publication Number Publication Date
DE69703233D1 true DE69703233D1 (de) 2000-11-09
DE69703233T2 DE69703233T2 (de) 2001-02-22

Family

ID=25089164

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69703233T Expired - Lifetime DE69703233T2 (de) 1996-12-19 1997-12-02 Verfahren und Systeme zur Sprachkodierung

Country Status (4)

Country Link
US (2) US5839098A (de)
EP (1) EP0852375B1 (de)
JP (2) JPH10207497A (de)
DE (1) DE69703233T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3022462B2 (ja) * 1998-01-13 2000-03-21 興和株式会社 振動波の符号化方法及び復号化方法
GB2348342B (en) * 1999-03-25 2004-01-21 Roke Manor Research Improvements in or relating to telecommunication systems
US6725190B1 (en) * 1999-11-02 2004-04-20 International Business Machines Corporation Method and system for speech reconstruction from speech recognition features, pitch and voicing with resampled basis functions providing reconstruction of the spectral envelope
US7275030B2 (en) * 2003-06-23 2007-09-25 International Business Machines Corporation Method and apparatus to compensate for fundamental frequency changes and artifacts and reduce sensitivity to pitch information in a frame-based speech processing system
KR20060067016A (ko) 2004-12-14 2006-06-19 엘지전자 주식회사 음성 부호화 장치 및 방법
US7567903B1 (en) * 2005-01-12 2009-07-28 At&T Intellectual Property Ii, L.P. Low latency real-time vocal tract length normalization
WO2007037359A1 (ja) * 2005-09-30 2007-04-05 Matsushita Electric Industrial Co., Ltd. 音声符号化装置および音声符号化方法
US20100017196A1 (en) * 2008-07-18 2010-01-21 Qualcomm Incorporated Method, system, and apparatus for compression or decompression of digital signals
WO2012172424A1 (en) 2011-06-15 2012-12-20 Crontech Pharma Ab Injection needle and device
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
CN109887519B (zh) * 2019-03-14 2021-05-11 北京芯盾集团有限公司 提高语音信道数据传输准确性的方法

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB533363A (en) * 1939-08-11 1941-02-12 Norton Co Improvements in and relating to the manufacture of abrasive articles
US3624302A (en) * 1969-10-29 1971-11-30 Bell Telephone Labor Inc Speech analysis and synthesis by the use of the linear prediction of a speech wave
US4220819A (en) * 1979-03-30 1980-09-02 Bell Telephone Laboratories, Incorporated Residual excited predictive speech coding system
US4472832A (en) * 1981-12-01 1984-09-18 At&T Bell Laboratories Digital speech coder
USRE32580E (en) * 1981-12-01 1988-01-19 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech coder
US4827517A (en) * 1985-12-26 1989-05-02 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech processor using arbitrary excitation coding
US5293448A (en) * 1989-10-02 1994-03-08 Nippon Telegraph And Telephone Corporation Speech analysis-synthesis method and apparatus therefor
CA2021514C (en) * 1989-09-01 1998-12-15 Yair Shoham Constrained-stochastic-excitation coding
JPH0455899A (ja) 1990-06-25 1992-02-24 Nec Corp 音声信号符号化方式
US5226084A (en) 1990-12-05 1993-07-06 Digital Voice Systems, Inc. Methods for speech quantization and error correction
JPH06138896A (ja) 1991-05-31 1994-05-20 Motorola Inc 音声フレームを符号化するための装置および方法
US5255339A (en) 1991-07-19 1993-10-19 Motorola, Inc. Low bit rate vocoder means and method
US5343500A (en) * 1991-09-03 1994-08-30 At&T Bell Laboratories Non-linear encoder and decoder for information transmission through non-linear channels
US5267317A (en) * 1991-10-18 1993-11-30 At&T Bell Laboratories Method and apparatus for smoothing pitch-cycle waveforms
US5371853A (en) * 1991-10-28 1994-12-06 University Of Maryland At College Park Method and system for CELP speech coding and codebook for use therewith
US5513297A (en) * 1992-07-10 1996-04-30 At&T Corp. Selective application of speech coding techniques to input signal segments
JPH07111462A (ja) * 1993-10-08 1995-04-25 Takayama:Kk 音声圧縮方法および装置
JP2570603B2 (ja) 1993-11-24 1997-01-08 日本電気株式会社 音声信号伝送装置およびノイズ抑圧装置
US5715365A (en) 1994-04-04 1998-02-03 Digital Voice Systems, Inc. Estimation of excitation parameters
JP3526613B2 (ja) 1994-04-27 2004-05-17 株式会社リコー 情報処理機器の消音装置
JP3465341B2 (ja) 1994-04-28 2003-11-10 ソニー株式会社 オーディオ信号符号化方法
JP3360423B2 (ja) 1994-06-21 2002-12-24 三菱電機株式会社 音声強調装置
KR100289733B1 (ko) 1994-06-30 2001-05-15 윤종용 디지탈 오디오 부호화 방법 및 장치
JP2943636B2 (ja) 1994-11-22 1999-08-30 ヤマハ株式会社 信号処理装置
JPH08147886A (ja) 1994-11-26 1996-06-07 Sanyo Electric Co Ltd メモリ制御装置、及び圧縮情報再生装置
JP3557674B2 (ja) 1994-12-15 2004-08-25 ソニー株式会社 高能率符号化方法及び装置
JPH08220199A (ja) 1995-02-13 1996-08-30 Casio Comput Co Ltd 電池寿命監視装置

Also Published As

Publication number Publication date
JP2007034326A (ja) 2007-02-08
DE69703233T2 (de) 2001-02-22
JPH10207497A (ja) 1998-08-07
USRE43099E1 (en) 2012-01-10
JP4912816B2 (ja) 2012-04-11
US5839098A (en) 1998-11-17
EP0852375A1 (de) 1998-07-08
EP0852375B1 (de) 2000-10-04

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