FI973873A - Puhekoodaus - Google Patents

Puhekoodaus Download PDF

Info

Publication number
FI973873A
FI973873A FI973873A FI973873A FI973873A FI 973873 A FI973873 A FI 973873A FI 973873 A FI973873 A FI 973873A FI 973873 A FI973873 A FI 973873A FI 973873 A FI973873 A FI 973873A
Authority
FI
Finland
Prior art keywords
excited speech
excited
speech
Prior art date
Application number
FI973873A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI973873A0 (fi
Inventor
Pasi Ojala
Ari Lakaniemi
Vesa T Ruoppila
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
Priority to FI973873A priority Critical patent/FI973873A/fi
Publication of FI973873A0 publication Critical patent/FI973873A0/fi
Priority to EP98943923A priority patent/EP1019907B1/de
Priority to PCT/FI1998/000715 priority patent/WO1999018565A2/en
Priority to JP2000515270A priority patent/JP2001519551A/ja
Priority to AU91649/98A priority patent/AU9164998A/en
Priority to DE69804121T priority patent/DE69804121T2/de
Priority to US09/163,845 priority patent/US6202045B1/en
Publication of FI973873A publication Critical patent/FI973873A/fi

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)
FI973873A 1997-10-02 1997-10-02 Puhekoodaus FI973873A (fi)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FI973873A FI973873A (fi) 1997-10-02 1997-10-02 Puhekoodaus
EP98943923A EP1019907B1 (de) 1997-10-02 1998-09-14 Sprachkodierung
PCT/FI1998/000715 WO1999018565A2 (en) 1997-10-02 1998-09-14 Speech coding
JP2000515270A JP2001519551A (ja) 1997-10-02 1998-09-14 音声符号化
AU91649/98A AU9164998A (en) 1997-10-02 1998-09-14 Speech coding
DE69804121T DE69804121T2 (de) 1997-10-02 1998-09-14 Sprachkodierung
US09/163,845 US6202045B1 (en) 1997-10-02 1998-09-30 Speech coding with variable model order linear prediction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI973873A FI973873A (fi) 1997-10-02 1997-10-02 Puhekoodaus

Publications (2)

Publication Number Publication Date
FI973873A0 FI973873A0 (fi) 1997-10-02
FI973873A true FI973873A (fi) 1999-04-03

Family

ID=8549657

Family Applications (1)

Application Number Title Priority Date Filing Date
FI973873A FI973873A (fi) 1997-10-02 1997-10-02 Puhekoodaus

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
EP1959435B1 (de) * 1999-08-23 2009-12-23 Panasonic Corporation Sprachenkodierer
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
DE60126811T2 (de) * 2000-11-03 2007-12-06 Koninklijke Philips Electronics N.V. Kodierung von audiosignalen
CN100370517C (zh) * 2002-07-16 2008-02-20 皇家飞利浦电子股份有限公司 一种对编码信号进行解码的方法
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
US7831421B2 (en) * 2005-05-31 2010-11-09 Microsoft Corporation Robust decoder
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
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
GB2466675B (en) 2009-01-06 2013-03-06 Skype Speech coding
GB2466670B (en) * 2009-01-06 2012-11-14 Skype Speech encoding
GB2466673B (en) 2009-01-06 2012-11-07 Skype Quantization
GB2466674B (en) 2009-01-06 2013-11-13 Skype Speech coding
GB2466671B (en) 2009-01-06 2013-03-27 Skype Speech encoding
US9058818B2 (en) * 2009-10-22 2015-06-16 Broadcom Corporation User attribute derivation and update for network/peer assisted speech coding
US9613630B2 (en) * 2009-11-12 2017-04-04 Lg Electronics Inc. Apparatus for processing a signal and method thereof for determining an LPC coding degree based on reduction of a value of LPC residual
CN102812512B (zh) * 2010-03-23 2014-06-25 Lg电子株式会社 处理音频信号的方法和装置
CN109194958B (zh) * 2012-01-20 2021-08-20 韩国电子通信研究院 使用量化矩阵的视频编解码装置
JP7167335B2 (ja) * 2018-10-29 2022-11-08 ドルビー・インターナショナル・アーベー 生成モデルを用いたレート品質スケーラブル符号化のための方法及び装置

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
EP1019907A2 (de) 2000-07-19
AU9164998A (en) 1999-04-27
WO1999018565A3 (en) 1999-06-17
FI973873A0 (fi) 1997-10-02
DE69804121D1 (de) 2002-04-11
WO1999018565A2 (en) 1999-04-15
US6202045B1 (en) 2001-03-13
DE69804121T2 (de) 2002-10-31
EP1019907B1 (de) 2002-03-06
JP2001519551A (ja) 2001-10-23

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