DE3883519D1 - Verfahren und Einrichtung zur Sprachkodierung mit mehreren Datenraten. - Google Patents

Verfahren und Einrichtung zur Sprachkodierung mit mehreren Datenraten.

Info

Publication number
DE3883519D1
DE3883519D1 DE88480007T DE3883519T DE3883519D1 DE 3883519 D1 DE3883519 D1 DE 3883519D1 DE 88480007 T DE88480007 T DE 88480007T DE 3883519 T DE3883519 T DE 3883519T DE 3883519 D1 DE3883519 D1 DE 3883519D1
Authority
DE
Germany
Prior art keywords
multiple data
data rates
speech coding
speech
coding
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
DE88480007T
Other languages
English (en)
Other versions
DE3883519T2 (de
Inventor
Francoise Bottau
Claude Galand
Michele Rosso
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE3883519D1 publication Critical patent/DE3883519D1/de
Application granted granted Critical
Publication of DE3883519T2 publication Critical patent/DE3883519T2/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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • 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
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0011—Long term prediction filters, i.e. pitch estimation
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients

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)
DE88480007T 1988-03-08 1988-03-08 Verfahren und Einrichtung zur Sprachkodierung mit mehreren Datenraten. Expired - Lifetime DE3883519T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP88480007A EP0331858B1 (de) 1988-03-08 1988-03-08 Verfahren und Einrichtung zur Sprachkodierung mit mehreren Datenraten

Publications (2)

Publication Number Publication Date
DE3883519D1 true DE3883519D1 (de) 1993-09-30
DE3883519T2 DE3883519T2 (de) 1994-03-17

Family

ID=8200489

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88480007T Expired - Lifetime DE3883519T2 (de) 1988-03-08 1988-03-08 Verfahren und Einrichtung zur Sprachkodierung mit mehreren Datenraten.

Country Status (4)

Country Link
US (1) US4965789A (de)
EP (1) EP0331858B1 (de)
JP (1) JPH0833759B2 (de)
DE (1) DE3883519T2 (de)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0401452B1 (de) * 1989-06-07 1994-03-23 International Business Machines Corporation Sprachcodierer mit niedriger Datenrate und niedriger Verzögerung
US5097508A (en) * 1989-08-31 1992-03-17 Codex Corporation Digital speech coder having improved long term lag parameter determination
FR2657741B1 (fr) * 1990-01-29 1992-04-03 Cit Alcatel Interface de restructuration de trames pour trains numeriques multiplexes par multiplexage temporel d'affluents numeriques a differents debits.
JP3194930B2 (ja) * 1990-02-22 2001-08-06 日本電気株式会社 音声符号化装置
JP3256215B2 (ja) * 1990-02-22 2002-02-12 日本電気株式会社 音声符号化装置
US5115429A (en) * 1990-08-02 1992-05-19 Codex Corporation Dynamic encoding rate control minimizes traffic congestion in a packet network
JP2626223B2 (ja) * 1990-09-26 1997-07-02 日本電気株式会社 音声符号化装置
CA2054849C (en) * 1990-11-02 1996-03-12 Kazunori Ozawa Speech parameter encoding method capable of transmitting a spectrum parameter at a reduced number of bits
US5265190A (en) * 1991-05-31 1993-11-23 Motorola, Inc. CELP vocoder with efficient adaptive codebook search
DE69232202T2 (de) * 1991-06-11 2002-07-25 Qualcomm, Inc. Vocoder mit veraendlicher bitrate
US5255339A (en) * 1991-07-19 1993-10-19 Motorola, Inc. Low bit rate vocoder means and method
WO1993006592A1 (en) * 1991-09-20 1993-04-01 Lernout & Hauspie Speechproducts A linear prediction speech coding device
US5453986A (en) * 1993-01-08 1995-09-26 Multi-Tech Systems, Inc. Dual port interface for a computer-based multifunction personal communication system
US5535204A (en) * 1993-01-08 1996-07-09 Multi-Tech Systems, Inc. Ringdown and ringback signalling for a computer-based multifunction personal communications system
US5754589A (en) * 1993-01-08 1998-05-19 Multi-Tech Systems, Inc. Noncompressed voice and data communication over modem for a computer-based multifunction personal communications system
US5546395A (en) * 1993-01-08 1996-08-13 Multi-Tech Systems, Inc. Dynamic selection of compression rate for a voice compression algorithm in a voice over data modem
US5812534A (en) * 1993-01-08 1998-09-22 Multi-Tech Systems, Inc. Voice over data conferencing for a computer-based personal communications system
US5452289A (en) * 1993-01-08 1995-09-19 Multi-Tech Systems, Inc. Computer-based multifunction personal communications system
US5864560A (en) * 1993-01-08 1999-01-26 Multi-Tech Systems, Inc. Method and apparatus for mode switching in a voice over data computer-based personal communications system
US5617423A (en) * 1993-01-08 1997-04-01 Multi-Tech Systems, Inc. Voice over data modem with selectable voice compression
US6009082A (en) * 1993-01-08 1999-12-28 Multi-Tech Systems, Inc. Computer-based multifunction personal communication system with caller ID
JPH06250697A (ja) * 1993-02-26 1994-09-09 Fujitsu Ltd 音声符号化方法及び音声符号化装置並びに音声復号化方法及び音声復号化装置
JP3042886B2 (ja) * 1993-03-26 2000-05-22 モトローラ・インコーポレーテッド ベクトル量子化器の方法および装置
IT1270439B (it) * 1993-06-10 1997-05-05 Sip Procedimento e dispositivo per la quantizzazione dei parametri spettrali in codificatori numerici della voce
US5452015A (en) * 1994-02-10 1995-09-19 Philips Electronics North America Corporation Method and apparatus for combating co-channel NTSC interference for digital TV transmission
US6134521A (en) * 1994-02-17 2000-10-17 Motorola, Inc. Method and apparatus for mitigating audio degradation in a communication system
US5757801A (en) * 1994-04-19 1998-05-26 Multi-Tech Systems, Inc. Advanced priority statistical multiplexer
US5682386A (en) * 1994-04-19 1997-10-28 Multi-Tech Systems, Inc. Data/voice/fax compression multiplexer
TW271524B (de) * 1994-08-05 1996-03-01 Qualcomm Inc
US5742734A (en) * 1994-08-10 1998-04-21 Qualcomm Incorporated Encoding rate selection in a variable rate vocoder
US5761633A (en) * 1994-08-30 1998-06-02 Samsung Electronics Co., Ltd. Method of encoding and decoding speech signals
US5546448A (en) * 1994-11-10 1996-08-13 Multi-Tech Systems, Inc. Apparatus and method for a caller ID modem interface
US5508708A (en) * 1995-05-08 1996-04-16 Motorola, Inc. Method and apparatus for location finding in a CDMA system
US5648822A (en) * 1995-05-19 1997-07-15 Philips Electronics North America Corporation Method and apparatus for combating co-channel NTSC interference using a variable-comb filter for digital TV transmission
US5751901A (en) * 1996-07-31 1998-05-12 Qualcomm Incorporated Method for searching an excitation codebook in a code excited linear prediction (CELP) coder
US5905794A (en) * 1996-10-15 1999-05-18 Multi-Tech Systems, Inc. Caller identification interface using line reversal detection
US6128506A (en) * 1997-09-24 2000-10-03 Telefonaktiebolaget Lm Ericsson Integrated power control and congestion control in a communication system
US6104998A (en) * 1998-03-12 2000-08-15 International Business Machines Corporation System for coding voice signals to optimize bandwidth occupation in high speed packet switching networks
CA2252170A1 (en) * 1998-10-27 2000-04-27 Bruno Bessette A method and device for high quality coding of wideband speech and audio signals
US6691084B2 (en) 1998-12-21 2004-02-10 Qualcomm Incorporated Multiple mode variable rate speech coding
JP4503853B2 (ja) * 1999-02-08 2010-07-14 クゥアルコム・インコーポレイテッド 可変率音声符号化に基づいた音声合成装置
US8090577B2 (en) 2002-08-08 2012-01-03 Qualcomm Incorported Bandwidth-adaptive quantization
CN101615396B (zh) * 2003-04-30 2012-05-09 松下电器产业株式会社 语音编码设备、以及语音解码设备
JP5145852B2 (ja) * 2007-10-15 2013-02-20 日本電気株式会社 係数決定装置、無線通信システム、係数決定方法及び係数決定プログラム

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4251881A (en) * 1978-06-05 1981-02-17 Storage Technology Corporation Centralized automatic gain control circuit
US4184049A (en) * 1978-08-25 1980-01-15 Bell Telephone Laboratories, Incorporated Transform speech signal coding with pitch controlled adaptive quantizing
CH637510A5 (de) * 1978-10-27 1983-07-29 Ibm Verfahren und anordnung zur uebertragung von sprachsignalen sowie anwendung des verfahrens.
EP0064119B1 (de) * 1981-04-30 1985-08-28 International Business Machines Corporation Sprachkodierungsverfahren und Einrichtung zur Durchführung des Verfahrens
DE3267481D1 (en) * 1982-02-09 1986-01-02 Ibm Method for multi-speed digital transmission and apparatus for carrying out said method
JPS60116000A (ja) * 1983-11-28 1985-06-22 ケイディディ株式会社 音声符号化装置
US4831636A (en) * 1985-06-28 1989-05-16 Fujitsu Limited Coding transmission equipment for carrying out coding with adaptive quantization
US4897855A (en) * 1987-12-01 1990-01-30 General Electric Company DPCM system with adaptive quantizer having unchanging bin number ensemble
US4866510A (en) * 1988-09-30 1989-09-12 American Telephone And Telegraph Company Digital video encoder

Also Published As

Publication number Publication date
EP0331858B1 (de) 1993-08-25
JPH0833759B2 (ja) 1996-03-29
JPH01233500A (ja) 1989-09-19
EP0331858A1 (de) 1989-09-13
US4965789A (en) 1990-10-23
DE3883519T2 (de) 1994-03-17

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Legal Events

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8364 No opposition during term of opposition