JP2001519551A - 音声符号化 - Google Patents

音声符号化

Info

Publication number
JP2001519551A
JP2001519551A JP2000515270A JP2000515270A JP2001519551A JP 2001519551 A JP2001519551 A JP 2001519551A JP 2000515270 A JP2000515270 A JP 2000515270A JP 2000515270 A JP2000515270 A JP 2000515270A JP 2001519551 A JP2001519551 A JP 2001519551A
Authority
JP
Japan
Prior art keywords
coefficients
lpc
lpc coefficients
current frame
frame
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.)
Ceased
Application number
JP2000515270A
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English (en)
Japanese (ja)
Other versions
JP2001519551A5 (https=
Inventor
オーヤラ，パシ
ラカニエミ，アリ
テー． ルオッピラ，ベーサ
Original Assignee
ノキア モービル フォーンズ リミティド
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.)
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Application filed by ノキア モービル フォーンズ リミティド filed Critical ノキア モービル フォーンズ リミティド
Publication of JP2001519551A publication Critical patent/JP2001519551A/ja
Publication of JP2001519551A5 publication Critical patent/JP2001519551A5/ja
Ceased 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)
JP2000515270A 1997-10-02 1998-09-14 音声符号化 Ceased JP2001519551A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI973873A FI973873A7 (fi) 1997-10-02 1997-10-02 Puhekoodaus
FI973873 1997-10-02
PCT/FI1998/000715 WO1999018565A2 (en) 1997-10-02 1998-09-14 Speech coding

Publications (2)

Publication Number Publication Date
JP2001519551A true JP2001519551A (ja) 2001-10-23
JP2001519551A5 JP2001519551A5 (https=) 2006-01-05

Family

ID=8549657

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000515270A Ceased JP2001519551A (ja) 1997-10-02 1998-09-14 音声符号化

Country Status (7)

Country Link
US (1) US6202045B1 (https=)
EP (1) EP1019907B1 (https=)
JP (1) JP2001519551A (https=)
AU (1) AU9164998A (https=)
DE (1) DE69804121T2 (https=)
FI (1) FI973873A7 (https=)
WO (1) WO1999018565A2 (https=)

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KR20130086012A (ko) * 2012-01-20 2013-07-30 한국전자통신연구원 양자화 행렬의 부호화 방법 및 복호화 방법과 이를 이용하는 장치
JP2022505888A (ja) * 2018-10-29 2022-01-14 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

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FI116992B (fi) * 1999-07-05 2006-04-28 Nokia Corp Menetelmät, järjestelmä ja laitteet audiosignaalin koodauksen ja siirron tehostamiseksi
US6988065B1 (en) * 1999-08-23 2006-01-17 Matsushita Electric Industrial Co., Ltd. Voice encoder and voice encoding method
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
WO2002037476A1 (en) * 2000-11-03 2002-05-10 Koninklijke Philips Electronics N.V. Sinusoidal model based coding of audio signals
EP1527441B1 (en) * 2002-07-16 2017-09-06 Koninklijke Philips 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
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
US7707034B2 (en) * 2005-05-31 2010-04-27 Microsoft Corporation Audio codec post-filter
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
GB2466673B (en) 2009-01-06 2012-11-07 Skype Quantization
GB2466675B (en) 2009-01-06 2013-03-06 Skype Speech coding
GB2466670B (en) * 2009-01-06 2012-11-14 Skype Speech encoding
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
EP2551848A4 (en) * 2010-03-23 2016-07-27 Lg Electronics Inc METHOD AND APPARATUS FOR PROCESSING AUDIO SIGNAL

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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
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Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101971077B1 (ko) * 2012-01-20 2019-04-22 한국전자통신연구원 양자화 행렬의 부호화 방법 및 복호화 방법과 이를 이용하는 장치
US11736696B2 (en) 2012-01-20 2023-08-22 Electronics And Telecommunications Research Institute Method for encoding and decoding quantized matrix and apparatus using same
KR20140092288A (ko) * 2012-01-20 2014-07-23 한국전자통신연구원 양자화 행렬의 부호화 방법 및 복호화 방법과 이를 이용하는 장치
CN104170382A (zh) * 2012-01-20 2014-11-26 韩国电子通信研究院 用于编码和解码量化矩阵的方法和使用其的设备
KR101527442B1 (ko) * 2012-01-20 2015-06-11 한국전자통신연구원 양자화 행렬의 부호화 방법 및 복호화 방법과 이를 이용하는 장치
KR101627085B1 (ko) 2012-01-20 2016-06-03 한국전자통신연구원 양자화 행렬의 부호화 방법 및 복호화 방법과 이를 이용하는 장치
US9866839B2 (en) 2012-01-20 2018-01-09 Electronics And Telecommunications Research Institute Method for encoding and decoding quantized matrix and apparatus using same
KR20180078213A (ko) * 2012-01-20 2018-07-09 한국전자통신연구원 양자화 행렬의 부호화 방법 및 복호화 방법과 이를 이용하는 장치
KR20180078212A (ko) * 2012-01-20 2018-07-09 한국전자통신연구원 양자화 행렬의 부호화 방법 및 복호화 방법과 이를 이용하는 장치
KR20180079274A (ko) * 2012-01-20 2018-07-10 한국전자통신연구원 양자화 행렬의 부호화 방법 및 복호화 방법과 이를 이용하는 장치
KR101875206B1 (ko) * 2012-01-20 2018-08-02 한국전자통신연구원 양자화 행렬의 부호화 방법 및 복호화 방법과 이를 이용하는 장치
KR101998390B1 (ko) * 2012-01-20 2019-07-09 한국전자통신연구원 양자화 행렬의 부호화 방법 및 복호화 방법과 이를 이용하는 장치
KR20140092287A (ko) * 2012-01-20 2014-07-23 한국전자통신연구원 양자화 행렬의 부호화 방법 및 복호화 방법과 이를 이용하는 장치
KR20130086012A (ko) * 2012-01-20 2013-07-30 한국전자통신연구원 양자화 행렬의 부호화 방법 및 복호화 방법과 이를 이용하는 장치
CN104170382B (zh) * 2012-01-20 2018-08-03 韩国电子通信研究院 用于编码和解码量化矩阵的方法和使用其的设备
KR102020838B1 (ko) * 2012-01-20 2019-09-11 한국전자통신연구원 양자화 행렬의 부호화 방법 및 복호화 방법과 이를 이용하는 장치
KR102115318B1 (ko) 2012-01-20 2020-05-26 한국전자통신연구원 양자화 행렬의 부호화 방법 및 복호화 방법과 이를 이용하는 장치
KR20200057693A (ko) * 2012-01-20 2020-05-26 한국전자통신연구원 양자화 행렬의 부호화 방법 및 복호화 방법과 이를 이용하는 장치
US10708595B2 (en) 2012-01-20 2020-07-07 Electronics And Telecommunications Research Institute Method for encoding and decoding quantized matrix and apparatus using same
KR102313195B1 (ko) 2012-01-20 2021-10-15 한국전자통신연구원 양자화 행렬의 부호화 방법 및 복호화 방법과 이를 이용하는 장치
US12328430B2 (en) 2012-01-20 2025-06-10 Electronics And Telecommunications Research Institute Method for encoding and decoding quantized matrix and apparatus using same
US11252411B2 (en) 2012-01-20 2022-02-15 Electronics And Telecommunications Research Institute Method for encoding and decoding quantized matrix and apparatus using same
US11778189B2 (en) 2012-01-20 2023-10-03 Electronics And Telecommunications Research Institute Method for encoding and decoding quantized matrix and apparatus using same
US10306228B2 (en) 2012-01-20 2019-05-28 Electronics And Telecommunications Research Institute Method for encoding and decoding quantized matrix and apparatus using same
US11621011B2 (en) 2018-10-29 2023-04-04 Dolby International Ab Methods and apparatus for rate quality scalable coding with generative models
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
JP2022505888A (ja) * 2018-10-29 2022-01-14 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

Also Published As

Publication number Publication date
WO1999018565A3 (en) 1999-06-17
FI973873A7 (fi) 1999-04-03
EP1019907A2 (en) 2000-07-19
FI973873A0 (fi) 1997-10-02
US6202045B1 (en) 2001-03-13
DE69804121T2 (de) 2002-10-31
WO1999018565A2 (en) 1999-04-15
EP1019907B1 (en) 2002-03-06
AU9164998A (en) 1999-04-27
DE69804121D1 (de) 2002-04-11

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