DE69620560D1 - Kodierverfahren eines Sprach- oder Musiksignals mittels Quantisierung harmonischer Komponenten sowie im Anschluss daran Quantisierung der Residuen - Google Patents

Kodierverfahren eines Sprach- oder Musiksignals mittels Quantisierung harmonischer Komponenten sowie im Anschluss daran Quantisierung der Residuen

Info

Publication number
DE69620560D1
DE69620560D1 DE69620560T DE69620560T DE69620560D1 DE 69620560 D1 DE69620560 D1 DE 69620560D1 DE 69620560 T DE69620560 T DE 69620560T DE 69620560 T DE69620560 T DE 69620560T DE 69620560 D1 DE69620560 D1 DE 69620560D1
Authority
DE
Germany
Prior art keywords
quantizing
residuals
speech
coding method
harmonic components
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
DE69620560T
Other languages
English (en)
Other versions
DE69620560T2 (de
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 DE69620560D1 publication Critical patent/DE69620560D1/de
Publication of DE69620560T2 publication Critical patent/DE69620560T2/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
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE69620560T 1995-12-23 1996-12-23 Kodierverfahren eines Sprach- oder Musiksignals mittels Quantisierung harmonischer Komponenten sowie im Anschluss daran Quantisierung der Residuen Expired - Lifetime DE69620560T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7350138A JP2778567B2 (ja) 1995-12-23 1995-12-23 信号符号化装置及び方法

Publications (2)

Publication Number Publication Date
DE69620560D1 true DE69620560D1 (de) 2002-05-16
DE69620560T2 DE69620560T2 (de) 2002-11-28

Family

ID=18408488

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69620560T Expired - Lifetime DE69620560T2 (de) 1995-12-23 1996-12-23 Kodierverfahren eines Sprach- oder Musiksignals mittels Quantisierung harmonischer Komponenten sowie im Anschluss daran Quantisierung der Residuen

Country Status (5)

Country Link
US (1) US5806024A (de)
EP (1) EP0780831B1 (de)
JP (1) JP2778567B2 (de)
CA (1) CA2193577C (de)
DE (1) DE69620560T2 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5680508A (en) * 1991-05-03 1997-10-21 Itt Corporation Enhancement of speech coding in background noise for low-rate speech coder
US6904404B1 (en) 1996-07-01 2005-06-07 Matsushita Electric Industrial Co., Ltd. Multistage inverse quantization having the plurality of frequency bands
JP3147807B2 (ja) * 1997-03-21 2001-03-19 日本電気株式会社 信号符号化装置
US7228280B1 (en) 1997-04-15 2007-06-05 Gracenote, Inc. Finding database match for file based on file characteristics
GB2326572A (en) * 1997-06-19 1998-12-23 Softsound Limited Low bit rate audio coder and decoder
US6339804B1 (en) * 1998-01-21 2002-01-15 Kabushiki Kaisha Seiko Sho. Fast-forward/fast-backward intermittent reproduction of compressed digital data frame using compression parameter value calculated from parameter-calculation-target frame not previously reproduced
US6353808B1 (en) * 1998-10-22 2002-03-05 Sony Corporation Apparatus and method for encoding a signal as well as apparatus and method for decoding a signal
US6298322B1 (en) 1999-05-06 2001-10-02 Eric Lindemann Encoding and synthesis of tonal audio signals using dominant sinusoids and a vector-quantized residual tonal signal
US8326584B1 (en) 1999-09-14 2012-12-04 Gracenote, Inc. Music searching methods based on human perception
US6587816B1 (en) 2000-07-14 2003-07-01 International Business Machines Corporation Fast frequency-domain pitch estimation
JP3750583B2 (ja) * 2001-10-22 2006-03-01 ソニー株式会社 信号処理方法及び装置、並びに信号処理プログラム
JP3997749B2 (ja) * 2001-10-22 2007-10-24 ソニー株式会社 信号処理方法及び装置、信号処理プログラム、並びに記録媒体
JP3823804B2 (ja) * 2001-10-22 2006-09-20 ソニー株式会社 信号処理方法及び装置、信号処理プログラム、並びに記録媒体
KR100462611B1 (ko) * 2002-06-27 2004-12-20 삼성전자주식회사 하모닉 성분을 이용한 오디오 코딩방법 및 장치
US7376553B2 (en) * 2003-07-08 2008-05-20 Robert Patel Quinn Fractal harmonic overtone mapping of speech and musical sounds
CN1763844B (zh) * 2004-10-18 2010-05-05 中国科学院声学研究所 基于滑动窗口的端点检测方法、装置和语音识别系统
JP5036317B2 (ja) 2004-10-28 2012-09-26 パナソニック株式会社 スケーラブル符号化装置、スケーラブル復号化装置、およびこれらの方法
CN101116137B (zh) * 2005-02-10 2011-02-09 松下电器产业株式会社 语音编码中的脉冲分配方法
EP2009623A1 (de) * 2007-06-27 2008-12-31 Nokia Siemens Networks Oy Sprachkodierung
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
PL2772913T3 (pl) 2011-10-28 2018-08-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Urządzenie kodujące i sposób kodowania
US9224402B2 (en) 2013-09-30 2015-12-29 International Business Machines Corporation Wideband speech parameterization for high quality synthesis, transformation and quantization
HRP20240674T1 (hr) 2014-04-17 2024-08-16 Voiceage Evs Llc Postupci, koder i dekoder za linearno prediktivno kodiranje i dekodiranje zvučnih signala pri prijelazu između okvira koji imaju različitu brzinu uzorkovanja
JP6270992B2 (ja) * 2014-04-24 2018-01-31 日本電信電話株式会社 周波数領域パラメータ列生成方法、周波数領域パラメータ列生成装置、プログラム及び記録媒体

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4184049A (en) * 1978-08-25 1980-01-15 Bell Telephone Laboratories, Incorporated Transform speech signal coding with pitch controlled adaptive quantizing
CA1197619A (en) * 1982-12-24 1985-12-03 Kazunori Ozawa Voice encoding systems
US4669120A (en) * 1983-07-08 1987-05-26 Nec Corporation Low bit-rate speech coding with decision of a location of each exciting pulse of a train concurrently with optimum amplitudes of pulses
US4724535A (en) * 1984-04-17 1988-02-09 Nec Corporation Low bit-rate pattern coding with recursive orthogonal decision of parameters
CA1255802A (en) * 1984-07-05 1989-06-13 Kazunori Ozawa Low bit-rate pattern encoding and decoding with a reduced number of excitation pulses
IT1180126B (it) * 1984-11-13 1987-09-23 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante tecniche di quantizzazione vettoriale
CA1252568A (en) * 1984-12-24 1989-04-11 Kazunori Ozawa Low bit-rate pattern encoding and decoding capable of reducing an information transmission rate
US4797926A (en) * 1986-09-11 1989-01-10 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech vocoder
CA1332982C (en) * 1987-04-02 1994-11-08 Robert J. Mcauley Coding of acoustic waveforms
US5091946A (en) * 1988-12-23 1992-02-25 Nec Corporation Communication system capable of improving a speech quality by effectively calculating excitation multipulses
JP2903533B2 (ja) * 1989-03-22 1999-06-07 日本電気株式会社 音声符号化方式
EP0392126B1 (de) * 1989-04-11 1994-07-20 International Business Machines Corporation Verfahren zur schnellen Bestimmung der Grundfrequenz in Sprachcodierern mit langfristiger Prädiktion
US5271089A (en) * 1990-11-02 1993-12-14 Nec Corporation Speech parameter encoding method capable of transmitting a spectrum parameter at a reduced number of bits
ZA921988B (en) * 1991-03-29 1993-02-24 Sony Corp High efficiency digital data encoding and decoding apparatus
JPH0815261B2 (ja) * 1991-06-06 1996-02-14 松下電器産業株式会社 適応変換ベクトル量子化符号化法
JP3218679B2 (ja) * 1992-04-15 2001-10-15 ソニー株式会社 高能率符号化方法
JP3343965B2 (ja) * 1992-10-31 2002-11-11 ソニー株式会社 音声符号化方法及び復号化方法
US5598504A (en) * 1993-03-15 1997-01-28 Nec Corporation Speech coding system to reduce distortion through signal overlap
US5574823A (en) * 1993-06-23 1996-11-12 Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Communications Frequency selective harmonic coding
US5684920A (en) * 1994-03-17 1997-11-04 Nippon Telegraph And Telephone Acoustic signal transform coding method and decoding method having a high efficiency envelope flattening method therein
US5651090A (en) * 1994-05-06 1997-07-22 Nippon Telegraph And Telephone Corporation Coding method and coder for coding input signals of plural channels using vector quantization, and decoding method and decoder therefor
US5787387A (en) * 1994-07-11 1998-07-28 Voxware, Inc. Harmonic adaptive speech coding method and system

Also Published As

Publication number Publication date
CA2193577A1 (en) 1997-06-24
EP0780831B1 (de) 2002-04-10
CA2193577C (en) 2001-03-06
DE69620560T2 (de) 2002-11-28
EP0780831A3 (de) 1998-08-05
US5806024A (en) 1998-09-08
EP0780831A2 (de) 1997-06-25
JP2778567B2 (ja) 1998-07-23
JPH09181611A (ja) 1997-07-11

Similar Documents

Publication Publication Date Title
DE69620560D1 (de) Kodierverfahren eines Sprach- oder Musiksignals mittels Quantisierung harmonischer Komponenten sowie im Anschluss daran Quantisierung der Residuen
EP0731449A3 (de) Verfahren zur Modifikation von LPC-Koeffizienten von akustischen Signalen
PT1216474E (pt) Codificacao eficiente de envolvente especial utilizando resolucao tempo/frequencia variavel
HK1003735A1 (en) Method of adapting the noise masking level in an analysis-by-synthesis speech coder employing a short-term perceptual weighting filter
BR9906454A (pt) Codificadores de fala.
MX9605122A (es) Metodo y aparato de codificacion de voz y metodo y aparato de descodificacion de voz.
MX9604159A (es) Medicion de enmascaramiento de ruido perceptual basado en la respuesta de frecuencia del filtro de sintesis.
DE69432012D1 (de) Wahrnehmungsgebundene Kodierung von Audiosignalen
ATE246389T1 (de) Verbesserung der periodizität eines breitbandsignals
DE69425935D1 (de) Verfahren zur Unterscheidung zwischen stimmhaften und stimmlosen Lauten
FI922128A0 (fi) Menetelmä puhesignaalin digitaaliseksi koodaamiseksi sekä puhekooderi menetelmän suorittamiseksi
AU5189793A (en) A method for the efficient coding of a speech signal
DE69324213D1 (de) Sprachkodierer und Verfahren zur Sprachkodierung
SE9903552D0 (sv) Efficient spectral envelope coding using dynamic scalefactor grouping and time/frequency switching
DE69611607D1 (de) Quantisierung einer aufgeteilten vorhersagematrix mit spektralparametern zur wirksamen sprachkodierung
CA2102080A1 (en) Time Shifting for Generalized Analysis-by-Synthesis Coding
DE69815062D1 (de) Verfahren und gerät zur audiorepräsentation von nach dem lpc prinzip kodierter sprache durch hinzufügen von rauschsignalen
DE69609539D1 (de) Bestimmung der Verstärkung für die Signalperiode bei der Kodierung eines Sprachsignales
CA2053133A1 (en) Method for coding and decoding a sampled analog signal having a repetitive nature and a device for coding and decoding by said method
DE69822579D1 (de) Vorrichtung zur Sprachcodierung und Langzeitprädiktion eines eingegebenen Sprachsignals
FI935378A (fi) Menetelmä akustisen puhesignaalin äänen korkeuden arvioimiseksi sekä menetelmää hyödyntävä puheen tunnistusjärjestelmä
FI955325A (fi) Menetelmä etenkin puhesignaalien vektorikvantisointia varten
DE69510865D1 (de) Verfahren und Gerät zur Vorverarbeitung eines akustischen Signals vor der Sprachcodierung
AU607363C (en) A low-delay code-excited linear predictive coder for speech or audio
AU607363B2 (en) A low-delay code-excited linear predictive coder for speech or audio

Legal Events

Date Code Title Description
8364 No opposition during term of opposition