DE69601068T2 - Verfahren zur sprachkodierung mittels analyse durch synthese - Google Patents

Verfahren zur sprachkodierung mittels analyse durch synthese

Info

Publication number
DE69601068T2
DE69601068T2 DE69601068T DE69601068T DE69601068T2 DE 69601068 T2 DE69601068 T2 DE 69601068T2 DE 69601068 T DE69601068 T DE 69601068T DE 69601068 T DE69601068 T DE 69601068T DE 69601068 T2 DE69601068 T2 DE 69601068T2
Authority
DE
Germany
Prior art keywords
subframe
pulses
short
divided
speech
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 - Fee Related
Application number
DE69601068T
Other languages
English (en)
Other versions
DE69601068D1 (de
Inventor
William Navarro
Michel Mauc
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.)
Nortel Networks France SAS
Original Assignee
Matra Nortel Communications SAS
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 Matra Nortel Communications SAS filed Critical Matra Nortel Communications SAS
Application granted granted Critical
Publication of DE69601068D1 publication Critical patent/DE69601068D1/de
Publication of DE69601068T2 publication Critical patent/DE69601068T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
DE69601068T 1995-01-06 1996-01-03 Verfahren zur sprachkodierung mittels analyse durch synthese Expired - Fee Related DE69601068T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9500124A FR2729244B1 (fr) 1995-01-06 1995-01-06 Procede de codage de parole a analyse par synthese
PCT/FR1996/000005 WO1996021219A1 (fr) 1995-01-06 1996-01-03 Procede de codage de parole a analyse par synthese

Publications (2)

Publication Number Publication Date
DE69601068D1 DE69601068D1 (de) 1999-01-14
DE69601068T2 true DE69601068T2 (de) 1999-07-15

Family

ID=9474923

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69601068T Expired - Fee Related DE69601068T2 (de) 1995-01-06 1996-01-03 Verfahren zur sprachkodierung mittels analyse durch synthese
DE69603755T Expired - Fee Related DE69603755T2 (de) 1995-01-06 1996-01-05 Sprachkodierung mittels Analyse durch Synthese

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69603755T Expired - Fee Related DE69603755T2 (de) 1995-01-06 1996-01-05 Sprachkodierung mittels Analyse durch Synthese

Country Status (8)

Country Link
US (1) US5899968A (de)
EP (2) EP0801789B1 (de)
CN (1) CN1134761C (de)
AT (2) ATE174147T1 (de)
AU (1) AU4490296A (de)
DE (2) DE69601068T2 (de)
FR (1) FR2729244B1 (de)
WO (1) WO1996021219A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI955266A (fi) * 1995-11-02 1997-05-03 Nokia Telecommunications Oy Menetelmä ja laitteisto viestien välittämiseksi tietoliikennejärjestelmässä
JP3134817B2 (ja) * 1997-07-11 2001-02-13 日本電気株式会社 音声符号化復号装置
WO1999041737A1 (en) * 1998-02-17 1999-08-19 Motorola Inc. Method and apparatus for high speed determination of an optimum vector in a fixed codebook
US6810377B1 (en) * 1998-06-19 2004-10-26 Comsat Corporation Lost frame recovery techniques for parametric, LPC-based speech coding systems
US6453289B1 (en) 1998-07-24 2002-09-17 Hughes Electronics Corporation Method of noise reduction for speech codecs
US6480822B2 (en) 1998-08-24 2002-11-12 Conexant Systems, Inc. Low complexity random codebook structure
US6493665B1 (en) * 1998-08-24 2002-12-10 Conexant Systems, Inc. Speech classification and parameter weighting used in codebook search
US6823303B1 (en) * 1998-08-24 2004-11-23 Conexant Systems, Inc. Speech encoder using voice activity detection in coding noise
US6192335B1 (en) * 1998-09-01 2001-02-20 Telefonaktieboiaget Lm Ericsson (Publ) Adaptive combining of multi-mode coding for voiced speech and noise-like signals
JP3372908B2 (ja) * 1999-09-17 2003-02-04 エヌイーシーマイクロシステム株式会社 マルチパルス探索処理方法と音声符号化装置
JP4367808B2 (ja) * 1999-12-03 2009-11-18 富士通株式会社 音声データ圧縮・解凍装置及び方法
US6842733B1 (en) 2000-09-15 2005-01-11 Mindspeed Technologies, Inc. Signal processing system for filtering spectral content of a signal for speech coding
US6850884B2 (en) * 2000-09-15 2005-02-01 Mindspeed Technologies, Inc. Selection of coding parameters based on spectral content of a speech signal
US7047188B2 (en) * 2002-11-08 2006-05-16 Motorola, Inc. Method and apparatus for improvement coding of the subframe gain in a speech coding system
CN101320565B (zh) * 2007-06-08 2011-05-11 华为技术有限公司 感知加权滤波方法及感知加权滤波器
US9626982B2 (en) * 2011-02-15 2017-04-18 Voiceage Corporation Device and method for quantizing the gains of the adaptive and fixed contributions of the excitation in a CELP codec
CN105336337B (zh) 2011-04-21 2019-06-25 三星电子株式会社 针对语音信号或音频信号的量化方法以及解码方法和设备
AU2012246799B2 (en) * 2011-04-21 2016-03-03 Samsung Electronics Co., Ltd. Method of quantizing linear predictive coding coefficients, sound encoding method, method of de-quantizing linear predictive coding coefficients, sound decoding method, and recording medium
US9208134B2 (en) * 2012-01-10 2015-12-08 King Abdulaziz City For Science And Technology Methods and systems for tokenizing multilingual textual documents

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8302985A (nl) * 1983-08-26 1985-03-18 Philips Nv Multipulse excitatie lineair predictieve spraakcodeerder.
CA1223365A (en) * 1984-02-02 1987-06-23 Shigeru Ono Method and apparatus for speech coding
NL8500843A (nl) * 1985-03-22 1986-10-16 Koninkl Philips Electronics Nv Multipuls-excitatie lineair-predictieve spraakcoder.
US4831624A (en) * 1987-06-04 1989-05-16 Motorola, Inc. Error detection method for sub-band coding
US4802171A (en) * 1987-06-04 1989-01-31 Motorola, Inc. Method for error correction in digitally encoded speech
CA1337217C (en) * 1987-08-28 1995-10-03 Daniel Kenneth Freeman Speech coding
DE3879664D1 (de) * 1988-01-05 1993-04-29 British Telecomm Sprachkodierung.
SE463691B (sv) * 1989-05-11 1991-01-07 Ericsson Telefon Ab L M Foerfarande att utplacera excitationspulser foer en lineaerprediktiv kodare (lpc) som arbetar enligt multipulsprincipen
US5060269A (en) * 1989-05-18 1991-10-22 General Electric Company Hybrid switched multi-pulse/stochastic speech coding technique
US5097508A (en) * 1989-08-31 1992-03-17 Codex Corporation Digital speech coder having improved long term lag parameter determination
WO1991003790A1 (en) * 1989-09-01 1991-03-21 Motorola, Inc. Digital speech coder having improved sub-sample resolution long-term predictor
DE69033011T2 (de) * 1989-10-17 2001-10-04 Motorola Inc Digitaler sprachdekodierer unter verwendung einer nachfilterung mit einer reduzierten spektralverzerrung
US5073940A (en) * 1989-11-24 1991-12-17 General Electric Company Method for protecting multi-pulse coders from fading and random pattern bit errors
US5097507A (en) * 1989-12-22 1992-03-17 General Electric Company Fading bit error protection for digital cellular multi-pulse speech coder
US5265219A (en) * 1990-06-07 1993-11-23 Motorola, Inc. Speech encoder using a soft interpolation decision for spectral parameters
FI98104C (fi) * 1991-05-20 1997-04-10 Nokia Mobile Phones Ltd Menetelmä herätevektorin generoimiseksi ja digitaalinen puhekooderi
WO1993005502A1 (en) * 1991-09-05 1993-03-18 Motorola, Inc. Error protection for multimode speech coders
US5253269A (en) * 1991-09-05 1993-10-12 Motorola, Inc. Delta-coded lag information for use in a speech coder
TW224191B (de) * 1992-01-28 1994-05-21 Qualcomm Inc
FI95085C (fi) * 1992-05-11 1995-12-11 Nokia Mobile Phones Ltd Menetelmä puhesignaalin digitaaliseksi koodaamiseksi sekä puhekooderi menetelmän suorittamiseksi
US5495555A (en) * 1992-06-01 1996-02-27 Hughes Aircraft Company High quality low bit rate celp-based speech codec
US5317595A (en) * 1992-06-30 1994-05-31 Nokia Mobile Phones Ltd. Rapidly adaptable channel equalizer
IT1264766B1 (it) * 1993-04-09 1996-10-04 Sip Codificatore della voce utilizzante tecniche di analisi con un'eccitazione a impulsi.

Also Published As

Publication number Publication date
DE69603755D1 (de) 1999-09-23
EP0801789A1 (de) 1997-10-22
EP0721180A1 (de) 1996-07-10
DE69603755T2 (de) 2000-07-06
AU4490296A (en) 1996-07-24
CN1134761C (zh) 2004-01-14
ATE174147T1 (de) 1998-12-15
FR2729244A1 (fr) 1996-07-12
ATE183600T1 (de) 1999-09-15
CN1173940A (zh) 1998-02-18
WO1996021219A1 (fr) 1996-07-11
US5899968A (en) 1999-05-04
FR2729244B1 (fr) 1997-03-28
EP0801789B1 (de) 1998-12-02
DE69601068D1 (de) 1999-01-14
EP0721180B1 (de) 1999-08-18

Similar Documents

Publication Publication Date Title
DE69601068D1 (de) Verfahren zur sprachkodierung mittels analyse durch synthese
DE60219351D1 (de) Signaländerungsverfahren zur effizienten kodierung von sprachsignalen
ATE15415T1 (de) Verfahren und vorrichtung zur redundanzvermindernden digitalen sprachverarbeitung.
ATE368279T1 (de) Verfahren und vorrichtung zur quantisierung des verstärkungsfaktors in einem breitbandsprachkodierer mit variabler bitrate
DE69608947D1 (de) Verfahren zur Analyse eines Audiofrequenzsignals durch lineare Prädiktion, und Anwendung auf ein Verfahren zur Kodierung und Dekodierung eines Audiofrequenzsignals
DE69521254D1 (de) Verfahren zur sprachkodierung
ATE549714T1 (de) Verfahren und vorrichtung zur hochleistungskodierung ungesprochener sprache mit niedriger bitrate
ATE362634T1 (de) Verfahren und vorrichtung zur bestimmung eines synthetischen höheren bandsignals in einem sprachkodierer
BR9003987A (pt) Sistema de codificacao de voz e processos de codificar voz e de derivar voz
DE69604729T2 (de) Verfahren zur sprachkodierung mittels linearer prädiktion und anregung durch algebraische kodes
TW326070B (en) The estimation method of the impulse gain for coding vocoder
ATE180092T1 (de) Verfahren zur sprachkodierung mittels analyse durch synthese
DE69013738D1 (de) Einrichtung zur Sprachcodierung.
ATE346357T1 (de) Prädiktionssprachkodierer mit musterauswahl für kodierungsshema zum reduzieren der empfindlichkeit für rahmenfehlern
EP1041541A4 (de) Celp sprachkodierer
JPS63282795A (ja) マルチパルス符号化装置
JPH087597B2 (ja) 音声符号化器
DE69014156T2 (de) Verfahren und Einrichtung zur Sprachcodierung.
EP0537948B1 (de) Verfahren und Vorrichtung zur Glättung von Grundperiodewellenformen
KR100346732B1 (ko) 잡음코드북작성과그를이용한선형예측부호화/복호화방법및그장치
GB2130852A (en) Speech signal reproducing systems
DE69122006T2 (de) Kodierungsverfahren und Sprachkodierer unter Anwendung von Analyse durch lineare Prädiktion
JPH0833756B2 (ja) 音声信号符号化方法とその装置
KR19990067850A (ko) 보코더 및 효율적으로 결함을 극복하는 엑시테이션 벡터 인코딩 방법

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee