DE69521176D1 - Verfahren zur Dekodierung kodierter Sprachsignale - Google Patents

Verfahren zur Dekodierung kodierter Sprachsignale

Info

Publication number
DE69521176D1
DE69521176D1 DE69521176T DE69521176T DE69521176D1 DE 69521176 D1 DE69521176 D1 DE 69521176D1 DE 69521176 T DE69521176 T DE 69521176T DE 69521176 T DE69521176 T DE 69521176T DE 69521176 D1 DE69521176 D1 DE 69521176D1
Authority
DE
Germany
Prior art keywords
speech signals
coded speech
decoding coded
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 - Lifetime
Application number
DE69521176T
Other languages
English (en)
Other versions
DE69521176T2 (de
Inventor
Masayuki Shiguchi
Jun Matsumoto
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of DE69521176D1 publication Critical patent/DE69521176D1/de
Application granted granted Critical
Publication of DE69521176T2 publication Critical patent/DE69521176T2/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
    • 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
    • G10L19/0204—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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L25/27—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique
DE69521176T 1994-08-23 1995-08-21 Verfahren zur Dekodierung kodierter Sprachsignale Expired - Lifetime DE69521176T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19845194A JP3528258B2 (ja) 1994-08-23 1994-08-23 符号化音声信号の復号化方法及び装置

Publications (2)

Publication Number Publication Date
DE69521176D1 true DE69521176D1 (de) 2001-07-12
DE69521176T2 DE69521176T2 (de) 2001-12-06

Family

ID=16391329

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69521176T Expired - Lifetime DE69521176T2 (de) 1994-08-23 1995-08-21 Verfahren zur Dekodierung kodierter Sprachsignale

Country Status (4)

Country Link
US (1) US5832437A (de)
EP (1) EP0698876B1 (de)
JP (1) JP3528258B2 (de)
DE (1) DE69521176T2 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9600774D0 (en) * 1996-01-15 1996-03-20 British Telecomm Waveform synthesis
WO1998005029A1 (en) * 1996-07-30 1998-02-05 British Telecommunications Public Limited Company Speech coding
KR100327969B1 (ko) * 1996-11-11 2002-04-17 모리시타 요이찌 음성재생속도변환장치및음성재생속도변환방법
US6202046B1 (en) * 1997-01-23 2001-03-13 Kabushiki Kaisha Toshiba Background noise/speech classification method
FR2768545B1 (fr) * 1997-09-18 2000-07-13 Matra Communication Procede de conditionnement d'un signal de parole numerique
JPH11219199A (ja) 1998-01-30 1999-08-10 Sony Corp 位相検出装置及び方法、並びに音声符号化装置及び方法
US6810409B1 (en) 1998-06-02 2004-10-26 British Telecommunications Public Limited Company Communications network
US6622171B2 (en) * 1998-09-15 2003-09-16 Microsoft Corporation Multimedia timeline modification in networked client/server systems
US6266643B1 (en) 1999-03-03 2001-07-24 Kenneth Canfield Speeding up audio without changing pitch by comparing dominant frequencies
US6377914B1 (en) * 1999-03-12 2002-04-23 Comsat Corporation Efficient quantization of speech spectral amplitudes based on optimal interpolation technique
US6311158B1 (en) * 1999-03-16 2001-10-30 Creative Technology Ltd. Synthesis of time-domain signals using non-overlapping transforms
JP3450237B2 (ja) * 1999-10-06 2003-09-22 株式会社アルカディア 音声合成装置および方法
JP4509273B2 (ja) * 1999-12-22 2010-07-21 ヤマハ株式会社 音声変換装置及び音声変換方法
US7302490B1 (en) * 2000-05-03 2007-11-27 Microsoft Corporation Media file format to support switching between multiple timeline-altered media streams
EP1343143B1 (de) * 2000-12-14 2011-10-05 Sony Corporation Analyse und Synthese von Tonsignalen
CN1212605C (zh) * 2001-01-22 2005-07-27 卡纳斯数据株式会社 用于数字音频数据的编码方法和解码方法
US6845359B2 (en) * 2001-03-22 2005-01-18 Motorola, Inc. FFT based sine wave synthesis method for parametric vocoders
DE02765393T1 (de) * 2001-08-31 2005-01-13 Kabushiki Kaisha Kenwood, Hachiouji Vorrichtung und verfahren zum erzeugen eines tonhöhen-kurvenformsignals und vorrichtung und verfahren zum komprimieren, dekomprimieren und synthetisieren eines sprachsignals damit
US7421304B2 (en) 2002-01-21 2008-09-02 Kenwood Corporation Audio signal processing device, signal recovering device, audio signal processing method and signal recovering method
US7027980B2 (en) * 2002-03-28 2006-04-11 Motorola, Inc. Method for modeling speech harmonic magnitudes
US6907632B2 (en) * 2002-05-28 2005-06-21 Ferno-Washington, Inc. Tactical stretcher
USH2172H1 (en) * 2002-07-02 2006-09-05 The United States Of America As Represented By The Secretary Of The Air Force Pitch-synchronous speech processing
JP2004054526A (ja) * 2002-07-18 2004-02-19 Canon Finetech Inc 画像処理システム、印刷装置、制御方法、制御コマンド実行方法、プログラムおよび記録媒体
AU2003249443A1 (en) * 2002-09-17 2004-04-08 Koninklijke Philips Electronics N.V. Method for controlling duration in speech synthesis
US6965859B2 (en) * 2003-02-28 2005-11-15 Xvd Corporation Method and apparatus for audio compression
US7376553B2 (en) * 2003-07-08 2008-05-20 Robert Patel Quinn Fractal harmonic overtone mapping of speech and musical sounds
EP1700266A4 (de) * 2003-12-19 2010-01-20 Creative Tech Ltd Verfahren und system zur verarbeitung eines digitalen bildes
BRPI0517246A (pt) * 2004-10-28 2008-10-07 Matsushita Electric Ind Co Ltd aparelho de codificação escalável, aparelho de decodificação escalável e métodos para os mesmos
WO2007045101A2 (en) 2005-10-21 2007-04-26 Nortel Networks Limited Multiplexing schemes for ofdma
US8229106B2 (en) * 2007-01-22 2012-07-24 D.S.P. Group, Ltd. Apparatus and methods for enhancement of speech
US9236064B2 (en) * 2012-02-15 2016-01-12 Microsoft Technology Licensing, Llc Sample rate converter with automatic anti-aliasing filter
CN103426441B (zh) * 2012-05-18 2016-03-02 华为技术有限公司 检测基音周期的正确性的方法和装置
CN107068160B (zh) * 2017-03-28 2020-04-28 大连理工大学 一种语音时长规整系统及方法
KR102632136B1 (ko) 2017-04-28 2024-01-31 디티에스, 인코포레이티드 오디오 코더 윈도우 사이즈 및 시간-주파수 변환

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4937873A (en) * 1985-03-18 1990-06-26 Massachusetts Institute Of Technology Computationally efficient sine wave synthesis for acoustic waveform processing
US4797926A (en) * 1986-09-11 1989-01-10 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech vocoder
US5086475A (en) * 1988-11-19 1992-02-04 Sony Corporation Apparatus for generating, recording or reproducing sound source data
US5226084A (en) * 1990-12-05 1993-07-06 Digital Voice Systems, Inc. Methods for speech quantization and error correction
US5327518A (en) * 1991-08-22 1994-07-05 Georgia Tech Research Corporation Audio analysis/synthesis system
US5504833A (en) * 1991-08-22 1996-04-02 George; E. Bryan Speech approximation using successive sinusoidal overlap-add models and pitch-scale modifications
US5765127A (en) * 1992-03-18 1998-06-09 Sony Corp High efficiency encoding method
US5517595A (en) * 1994-02-08 1996-05-14 At&T Corp. Decomposition in noise and periodic signal waveforms in waveform interpolation

Also Published As

Publication number Publication date
EP0698876A2 (de) 1996-02-28
US5832437A (en) 1998-11-03
EP0698876B1 (de) 2001-06-06
JPH0863197A (ja) 1996-03-08
DE69521176T2 (de) 2001-12-06
JP3528258B2 (ja) 2004-05-17
EP0698876A3 (de) 1997-12-17

Similar Documents

Publication Publication Date Title
DE69521176D1 (de) Verfahren zur Dekodierung kodierter Sprachsignale
DE69133058D1 (de) Verfahren zur Kodierung von Sprachsignalen
DE69634055D1 (de) Verfahren zur Kodierung von akustischen Signalen
DE69715815T2 (de) Verfahren zur bilddekodierung
DE69712676T2 (de) Verfahren zur Videokodierung
DE69832358D1 (de) Verfahren zur Sprachkodierung und -dekodierung
DE69534259D1 (de) Systeme und Verfahren zur Dekodierung und Kodierung
DE69715478T2 (de) Verfahren und Vorrichtung zur CELP Sprachkodierung und -dekodierung
DE69837822D1 (de) Verfahren und Vorrichtung zur Dekodierung von Sprachsignalen
DE69227401T2 (de) Verfahren zum Kodieren und Dekodieren von Sprachsignalen
DE69023402T2 (de) Verfahren zur Sprachkodierung und -dekodierung.
DE69027547D1 (de) Verfahren zur Decodierung eines codierten Videosignals
DE69810361T2 (de) Verfahren und Vorrichtung zur mehrkanaligen akustischen Signalkodierung und -dekodierung
DE69321656D1 (de) Verfahren zur Spracherkennung
DE69727395D1 (de) Verfahren zur olefinisomerisierung
DE69739867D1 (de) Verfahren zur Bildcodierung
DE59510488D1 (de) Verfahren zur arithmetischen Decodierung
DE69430617D1 (de) Dekoder und verfahren zur dekodierung
DE69734496D1 (de) Datendekodierer und verfahren zur datendekodierung
DE69433620D1 (de) Verfahren zur Datenkompression
DE69329568T2 (de) Verfahren zur Sprachkodierung
DE69527078D1 (de) Verfahren zur vektorkodierung und entsprechender kodierer/dekodierer
DE69736654D1 (de) Vorrichtung und Verfahren zur Prädiktionskodierung und -dekodierung
DE69516455D1 (de) Verfahren zur Sprachkodierung mittels linearer Prädiktion
DE69623771T2 (de) Verfahren und vorrichtung zur kodierung von audiosignalen und verfahren und vorrichtung zur dekodierung von audiosignalen

Legal Events

Date Code Title Description
8364 No opposition during term of opposition