DE69826755D1 - Sprachsignalkodierer - Google Patents

Sprachsignalkodierer

Info

Publication number
DE69826755D1
DE69826755D1 DE69826755T DE69826755T DE69826755D1 DE 69826755 D1 DE69826755 D1 DE 69826755D1 DE 69826755 T DE69826755 T DE 69826755T DE 69826755 T DE69826755 T DE 69826755T DE 69826755 D1 DE69826755 D1 DE 69826755D1
Authority
DE
Germany
Prior art keywords
speech signal
signal encoder
encoder
speech
signal
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
DE69826755T
Other languages
English (en)
Inventor
Kazunori Ozawa
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE69826755D1 publication Critical patent/DE69826755D1/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
    • G10L19/02—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 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
DE69826755T 1997-03-21 1998-03-23 Sprachsignalkodierer Expired - Lifetime DE69826755D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP06763797A JP3147807B2 (ja) 1997-03-21 1997-03-21 信号符号化装置

Publications (1)

Publication Number Publication Date
DE69826755D1 true DE69826755D1 (de) 2004-11-11

Family

ID=13350720

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69826755T Expired - Lifetime DE69826755D1 (de) 1997-03-21 1998-03-23 Sprachsignalkodierer

Country Status (5)

Country Link
US (1) US6236961B1 (de)
EP (1) EP0866443B1 (de)
JP (1) JP3147807B2 (de)
CA (1) CA2232977C (de)
DE (1) DE69826755D1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6640209B1 (en) * 1999-02-26 2003-10-28 Qualcomm Incorporated Closed-loop multimode mixed-domain linear prediction (MDLP) speech coder
US6449592B1 (en) * 1999-02-26 2002-09-10 Qualcomm Incorporated Method and apparatus for tracking the phase of a quasi-periodic signal
US8090577B2 (en) * 2002-08-08 2012-01-03 Qualcomm Incorported Bandwidth-adaptive quantization
DK2128858T3 (da) 2007-03-02 2013-07-01 Panasonic Corp Kodningsindretning og kodningsfremgangsmåde
JP5241701B2 (ja) 2007-03-02 2013-07-17 パナソニック株式会社 符号化装置および符号化方法
JP5299327B2 (ja) * 2010-03-17 2013-09-25 ソニー株式会社 音声処理装置、音声処理方法、およびプログラム
JP7142839B2 (ja) 2018-05-09 2022-09-28 株式会社鴻池組 フレキシブルコンテナバッグ

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5568588A (en) * 1994-04-29 1996-10-22 Audiocodes Ltd. Multi-pulse analysis speech processing System and method
EP0944037B1 (de) * 1995-01-17 2001-10-10 Nec Corporation Sprachkodierer mit aus aktuellen und vorhergehenden Rahmen extrahierten Merkmalen
JP2778567B2 (ja) * 1995-12-23 1998-07-23 日本電気株式会社 信号符号化装置及び方法

Also Published As

Publication number Publication date
EP0866443B1 (de) 2004-10-06
EP0866443A3 (de) 1999-05-12
JPH10260698A (ja) 1998-09-29
CA2232977A1 (en) 1998-09-21
CA2232977C (en) 2002-05-28
EP0866443A2 (de) 1998-09-23
JP3147807B2 (ja) 2001-03-19
US6236961B1 (en) 2001-05-22

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Legal Events

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