ATE183600T1 - Sprachkodierung mittels analyse durch synthese - Google Patents

Sprachkodierung mittels analyse durch synthese

Info

Publication number
ATE183600T1
ATE183600T1 AT96400028T AT96400028T ATE183600T1 AT E183600 T1 ATE183600 T1 AT E183600T1 AT 96400028 T AT96400028 T AT 96400028T AT 96400028 T AT96400028 T AT 96400028T AT E183600 T1 ATE183600 T1 AT E183600T1
Authority
AT
Austria
Prior art keywords
subframe
pulses
short
divided
synthesis
Prior art date
Application number
AT96400028T
Other languages
English (en)
Inventor
William Navarro
Michel Mauc
Original Assignee
Matra Nortel Communications
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 filed Critical Matra Nortel Communications
Application granted granted Critical
Publication of ATE183600T1 publication Critical patent/ATE183600T1/de

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)
AT96400028T 1995-01-06 1996-01-05 Sprachkodierung mittels analyse durch synthese ATE183600T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE183600T1 true ATE183600T1 (de) 1999-09-15

Family

ID=9474923

Family Applications (2)

Application Number Title Priority Date Filing Date
AT96901009T ATE174147T1 (de) 1995-01-06 1996-01-03 Verfahren zur sprachkodierung mittels analyse durch synthese
AT96400028T ATE183600T1 (de) 1995-01-06 1996-01-05 Sprachkodierung mittels analyse durch synthese

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT96901009T ATE174147T1 (de) 1995-01-06 1996-01-03 Verfahren zur 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)

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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
US6807527B1 (en) * 1998-02-17 2004-10-19 Motorola, Inc. Method and apparatus for determination of an optimum fixed codebook vector
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
US6823303B1 (en) * 1998-08-24 2004-11-23 Conexant Systems, Inc. Speech encoder using voice activity detection in coding noise
US6493665B1 (en) * 1998-08-24 2002-12-10 Conexant Systems, Inc. Speech classification and parameter weighting used in codebook search
US6480822B2 (en) * 1998-08-24 2002-11-12 Conexant Systems, Inc. Low complexity random codebook structure
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
CA2833868C (en) 2011-04-21 2019-08-20 Samsung Electronics Co., Ltd. Apparatus for quantizing linear predictive coding coefficients, sound encoding apparatus, apparatus for de-quantizing linear predictive coding coefficients, sound decoding apparatus, and electronic device therefor
JP6178305B2 (ja) * 2011-04-21 2017-08-09 サムスン エレクトロニクス カンパニー リミテッド 量子化方法
US9208134B2 (en) * 2012-01-10 2015-12-08 King Abdulaziz City For Science And Technology Methods and systems for tokenizing multilingual textual documents

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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
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US4802171A (en) * 1987-06-04 1989-01-31 Motorola, Inc. Method for error correction in digitally encoded speech
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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
DE69033510T3 (de) * 1989-09-01 2007-06-06 Motorola, Inc., Schaumburg Numerischer sprachcodierer mit verbesserter langzeitvorhersage durch subabtastauflösung
JP3158434B2 (ja) * 1989-10-17 2001-04-23 モトローラ・インコーポレーテッド 低減されたスペクトルひずみを有するポストフィルタを備えたデジタル音声デコーダ
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
EP0556354B1 (de) * 1991-09-05 2001-10-31 Motorola, Inc. Fehlerschutz für vielfachmodensprachkodierer
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
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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
ATE174147T1 (de) 1998-12-15
US5899968A (en) 1999-05-04
DE69603755D1 (de) 1999-09-23
EP0721180B1 (de) 1999-08-18
EP0721180A1 (de) 1996-07-10
FR2729244B1 (fr) 1997-03-28
WO1996021219A1 (fr) 1996-07-11
CN1173940A (zh) 1998-02-18
DE69601068T2 (de) 1999-07-15
DE69603755T2 (de) 2000-07-06
FR2729244A1 (fr) 1996-07-12
CN1134761C (zh) 2004-01-14
EP0801789A1 (de) 1997-10-22
AU4490296A (en) 1996-07-24
EP0801789B1 (de) 1998-12-02
DE69601068D1 (de) 1999-01-14

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