DE69521622D1 - System und verfahren zur sprachverarbeitung mittels multipuls-analyse - Google Patents

System und verfahren zur sprachverarbeitung mittels multipuls-analyse

Info

Publication number
DE69521622D1
DE69521622D1 DE69521622T DE69521622T DE69521622D1 DE 69521622 D1 DE69521622 D1 DE 69521622D1 DE 69521622 T DE69521622 T DE 69521622T DE 69521622 T DE69521622 T DE 69521622T DE 69521622 D1 DE69521622 D1 DE 69521622D1
Authority
DE
Germany
Prior art keywords
voice processing
multipulse analysis
multipulse
analysis
voice
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
DE69521622T
Other languages
English (en)
Other versions
DE69521622T2 (de
Inventor
Leon Bialik
Felix Flomen
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.)
AudioCodes Ltd
Original Assignee
AudioCodes 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 AudioCodes Ltd filed Critical AudioCodes Ltd
Publication of DE69521622D1 publication Critical patent/DE69521622D1/de
Application granted granted Critical
Publication of DE69521622T2 publication Critical patent/DE69521622T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/113—Regular pulse excitation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
DE69521622T 1994-04-29 1995-04-27 System und verfahren zur sprachverarbeitung mittels multipuls-analyse Expired - Lifetime DE69521622T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/236,764 US5568588A (en) 1994-04-29 1994-04-29 Multi-pulse analysis speech processing System and method
PCT/US1995/005014 WO1995030222A1 (en) 1994-04-29 1995-04-27 A multi-pulse analysis speech processing system and method

Publications (2)

Publication Number Publication Date
DE69521622D1 true DE69521622D1 (de) 2001-08-09
DE69521622T2 DE69521622T2 (de) 2003-07-10

Family

ID=22890857

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69521622T Expired - Lifetime DE69521622T2 (de) 1994-04-29 1995-04-27 System und verfahren zur sprachverarbeitung mittels multipuls-analyse

Country Status (11)

Country Link
US (1) US5568588A (de)
EP (1) EP0784846B1 (de)
JP (1) JP3068196B2 (de)
KR (1) KR100257775B1 (de)
CN (1) CN1112672C (de)
AU (1) AU683750B2 (de)
BR (1) BR9507571A (de)
CA (1) CA2189142C (de)
DE (1) DE69521622T2 (de)
RU (2) RU2121173C1 (de)
WO (1) WO1995030222A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3094908B2 (ja) * 1996-04-17 2000-10-03 日本電気株式会社 音声符号化装置
CA2213909C (en) * 1996-08-26 2002-01-22 Nec Corporation High quality speech coder at low bit rates
JP3147807B2 (ja) * 1997-03-21 2001-03-19 日本電気株式会社 信号符号化装置
US7272553B1 (en) 1999-09-08 2007-09-18 8X8, Inc. Varying pulse amplitude multi-pulse analysis speech processor and method
SE0004818D0 (sv) * 2000-12-22 2000-12-22 Coding Technologies Sweden Ab Enhancing source coding systems by adaptive transposition
US7493258B2 (en) * 2001-07-03 2009-02-17 Intel Corporation Method and apparatus for dynamic beam control in Viterbi search
EP1513137A1 (de) * 2003-08-22 2005-03-09 MicronasNIT LCC, Novi Sad Institute of Information Technologies Sprachverarbeitungssystem und -verfahren mit Multipuls-Anregung
WO2008108078A1 (ja) * 2007-03-02 2008-09-12 Panasonic Corporation 符号化装置および符号化方法
JP5666021B2 (ja) 2011-02-14 2015-02-04 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 復号後オーディオ信号をスペクトル領域で処理する装置及び方法
AU2012217184B2 (en) 2011-02-14 2015-07-30 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E. V. Encoding and decoding of pulse positions of tracks of an audio signal
JP5849106B2 (ja) 2011-02-14 2016-01-27 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 低遅延の統合されたスピーチ及びオーディオ符号化におけるエラー隠しのための装置及び方法
MY166394A (en) 2011-02-14 2018-06-25 Fraunhofer Ges Forschung Information signal representation using lapped transform
JP5625126B2 (ja) 2011-02-14 2014-11-12 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン スペクトル領域ノイズ整形を使用する線形予測ベースコーディングスキーム
TWI476760B (zh) 2011-02-14 2015-03-11 Fraunhofer Ges Forschung 用以使用暫態檢測及品質結果將音訊信號的部分編碼之裝置與方法
EP2980799A1 (de) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Verarbeitung eines Audiosignals mit Verwendung einer harmonischen Nachfilterung
CN110660396A (zh) * 2018-06-13 2020-01-07 江苏德新科智能传感器研究院有限公司 一种基于mems的语言处理系统及其方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0107659A4 (de) * 1982-04-29 1985-02-18 Massachusetts Inst Technology Sprachcodierer und synthetisator.
NL8500843A (nl) * 1985-03-22 1986-10-16 Koninkl Philips Electronics Nv Multipuls-excitatie lineair-predictieve spraakcoder.
US5007094A (en) * 1989-04-07 1991-04-09 Gte Products Corporation Multipulse excited pole-zero filtering approach for noise reduction
EP0422232B1 (de) * 1989-04-25 1996-11-13 Kabushiki Kaisha Toshiba Stimmenkodierer
US5060269A (en) * 1989-05-18 1991-10-22 General Electric Company Hybrid switched multi-pulse/stochastic speech coding technique
US5293449A (en) * 1990-11-23 1994-03-08 Comsat Corporation Analysis-by-synthesis 2,4 kbps linear predictive speech codec
CA2084323C (en) * 1991-12-03 1996-12-03 Tetsu Taguchi Speech signal encoding system capable of transmitting a speech signal at a low bit rate

Also Published As

Publication number Publication date
CA2189142A1 (en) 1995-11-09
AU683750B2 (en) 1997-11-20
EP0784846A1 (de) 1997-07-23
CN1153566A (zh) 1997-07-02
US5568588A (en) 1996-10-22
AU2394895A (en) 1995-11-29
RU2121172C1 (ru) 1998-10-27
RU2121173C1 (ru) 1998-10-27
JP3068196B2 (ja) 2000-07-24
MX9605179A (es) 1998-06-30
EP0784846A4 (de) 1997-07-30
JPH09512645A (ja) 1997-12-16
EP0784846B1 (de) 2001-07-04
CA2189142C (en) 2001-06-05
CN1112672C (zh) 2003-06-25
WO1995030222A1 (en) 1995-11-09
BR9507571A (pt) 1997-08-05
DE69521622T2 (de) 2003-07-10
KR100257775B1 (ko) 2000-06-01

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Legal Events

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8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition