DE69804121D1 - Sprachkodierung - Google Patents

Sprachkodierung

Info

Publication number
DE69804121D1
DE69804121D1 DE69804121T DE69804121T DE69804121D1 DE 69804121 D1 DE69804121 D1 DE 69804121D1 DE 69804121 T DE69804121 T DE 69804121T DE 69804121 T DE69804121 T DE 69804121T DE 69804121 D1 DE69804121 D1 DE 69804121D1
Authority
DE
Germany
Prior art keywords
voice coding
coding
voice
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
DE69804121T
Other languages
English (en)
Other versions
DE69804121T2 (de
Inventor
Pasi Ojala
Ari Lakaniemi
T Ruoppila
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.)
Nokia Oyj
Original Assignee
Nokia Mobile Phones Ltd
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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Publication of DE69804121D1 publication Critical patent/DE69804121D1/de
Application granted granted Critical
Publication of DE69804121T2 publication Critical patent/DE69804121T2/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
    • G10L19/002—Dynamic bit allocation
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G10L19/07—Line spectrum pair [LSP] vocoders

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69804121T 1997-10-02 1998-09-14 Sprachkodierung Expired - Lifetime DE69804121T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI973873A FI973873A (fi) 1997-10-02 1997-10-02 Puhekoodaus
PCT/FI1998/000715 WO1999018565A2 (en) 1997-10-02 1998-09-14 Speech coding

Publications (2)

Publication Number Publication Date
DE69804121D1 true DE69804121D1 (de) 2002-04-11
DE69804121T2 DE69804121T2 (de) 2002-10-31

Family

ID=8549657

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69804121T Expired - Lifetime DE69804121T2 (de) 1997-10-02 1998-09-14 Sprachkodierung

Country Status (7)

Country Link
US (1) US6202045B1 (de)
EP (1) EP1019907B1 (de)
JP (1) JP2001519551A (de)
AU (1) AU9164998A (de)
DE (1) DE69804121T2 (de)
FI (1) FI973873A (de)
WO (1) WO1999018565A2 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI116992B (fi) * 1999-07-05 2006-04-28 Nokia Corp Menetelmät, järjestelmä ja laitteet audiosignaalin koodauksen ja siirron tehostamiseksi
CN1242379C (zh) * 1999-08-23 2006-02-15 松下电器产业株式会社 音频编码装置
US7315815B1 (en) * 1999-09-22 2008-01-01 Microsoft Corporation LPC-harmonic vocoder with superframe structure
US7110947B2 (en) * 1999-12-10 2006-09-19 At&T Corp. Frame erasure concealment technique for a bitstream-based feature extractor
US6606591B1 (en) * 2000-04-13 2003-08-12 Conexant Systems, Inc. Speech coding employing hybrid linear prediction coding
KR20020070373A (ko) * 2000-11-03 2002-09-06 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 신호들의 사인 곡선 모델 기초 코딩
WO2004008437A2 (en) * 2002-07-16 2004-01-22 Koninklijke Philips Electronics N.V. Audio coding
US8090577B2 (en) * 2002-08-08 2012-01-03 Qualcomm Incorported Bandwidth-adaptive quantization
CA2415105A1 (en) * 2002-12-24 2004-06-24 Voiceage Corporation A method and device for robust predictive vector quantization of linear prediction parameters in variable bit rate speech coding
US7668712B2 (en) * 2004-03-31 2010-02-23 Microsoft Corporation Audio encoding and decoding with intra frames and adaptive forward error correction
US7386445B2 (en) * 2005-01-18 2008-06-10 Nokia Corporation Compensation of transient effects in transform coding
US7707034B2 (en) * 2005-05-31 2010-04-27 Microsoft Corporation Audio codec post-filter
US7177804B2 (en) * 2005-05-31 2007-02-13 Microsoft Corporation Sub-band voice codec with multi-stage codebooks and redundant coding
US7831421B2 (en) * 2005-05-31 2010-11-09 Microsoft Corporation Robust decoder
US7831420B2 (en) * 2006-04-04 2010-11-09 Qualcomm Incorporated Voice modifier for speech processing systems
CN101770777B (zh) * 2008-12-31 2012-04-25 华为技术有限公司 一种线性预测编码频带扩展方法、装置和编解码系统
GB2466674B (en) 2009-01-06 2013-11-13 Skype Speech coding
GB2466673B (en) 2009-01-06 2012-11-07 Skype Quantization
GB2466671B (en) 2009-01-06 2013-03-27 Skype Speech encoding
GB2466670B (en) * 2009-01-06 2012-11-14 Skype Speech encoding
GB2466675B (en) 2009-01-06 2013-03-06 Skype Speech coding
US8589166B2 (en) * 2009-10-22 2013-11-19 Broadcom Corporation Speech content based packet loss concealment
KR101397058B1 (ko) * 2009-11-12 2014-05-20 엘지전자 주식회사 신호 처리 방법 및 이의 장치
CN104021793B (zh) * 2010-03-23 2017-05-17 Lg电子株式会社 处理音频信号的方法和装置
BR122020017515B1 (pt) * 2012-01-20 2022-11-22 Electronics And Telecommunications Research Institute Método de decodificação de vídeo
CN112970063A (zh) * 2018-10-29 2021-06-15 杜比国际公司 用于利用生成模型的码率质量可分级编码的方法及设备

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4969192A (en) 1987-04-06 1990-11-06 Voicecraft, Inc. Vector adaptive predictive coder for speech and audio
US4890327A (en) * 1987-06-03 1989-12-26 Itt Corporation Multi-rate digital voice coder apparatus
US5243686A (en) * 1988-12-09 1993-09-07 Oki Electric Industry Co., Ltd. Multi-stage linear predictive analysis method for feature extraction from acoustic signals
CA2010830C (en) 1990-02-23 1996-06-25 Jean-Pierre Adoul Dynamic codebook for efficient speech coding based on algebraic codes
US5630011A (en) * 1990-12-05 1997-05-13 Digital Voice Systems, Inc. Quantization of harmonic amplitudes representing speech
FI95085C (fi) 1992-05-11 1995-12-11 Nokia Mobile Phones Ltd Menetelmä puhesignaalin digitaaliseksi koodaamiseksi sekä puhekooderi menetelmän suorittamiseksi
FI91345C (fi) 1992-06-24 1994-06-10 Nokia Mobile Phones Ltd Menetelmä kanavanvaihdon tehostamiseksi
FI96248C (fi) 1993-05-06 1996-05-27 Nokia Mobile Phones Ltd Menetelmä pitkän aikavälin synteesisuodattimen toteuttamiseksi sekä synteesisuodatin puhekoodereihin
FI98163C (fi) 1994-02-08 1997-04-25 Nokia Mobile Phones Ltd Koodausjärjestelmä parametriseen puheenkoodaukseen
JP3235703B2 (ja) * 1995-03-10 2001-12-04 日本電信電話株式会社 ディジタルフィルタのフィルタ係数決定方法
US5890110A (en) * 1995-03-27 1999-03-30 The Regents Of The University Of California Variable dimension vector quantization
US5754733A (en) * 1995-08-01 1998-05-19 Qualcomm Incorporated Method and apparatus for generating and encoding line spectral square roots
FR2742568B1 (fr) * 1995-12-15 1998-02-13 Catherine Quinquis Procede d'analyse par prediction lineaire d'un signal audiofrequence, et procedes de codage et de decodage d'un signal audiofrequence en comportant application
FI964975A (fi) * 1996-12-12 1998-06-13 Nokia Mobile Phones Ltd Menetelmä ja laite puheen koodaamiseksi

Also Published As

Publication number Publication date
WO1999018565A2 (en) 1999-04-15
WO1999018565A3 (en) 1999-06-17
FI973873A0 (fi) 1997-10-02
US6202045B1 (en) 2001-03-13
DE69804121T2 (de) 2002-10-31
FI973873A (fi) 1999-04-03
AU9164998A (en) 1999-04-27
EP1019907B1 (de) 2002-03-06
EP1019907A2 (de) 2000-07-19
JP2001519551A (ja) 2001-10-23

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: NOKIA CORP., ESPOO, FI

8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: BECKER, KURIG, STRAUS, 80336 MUENCHEN