AU2001242539A1 - Speech decoder and a method for decoding speech - Google Patents

Speech decoder and a method for decoding speech

Info

Publication number
AU2001242539A1
AU2001242539A1 AU2001242539A AU4253901A AU2001242539A1 AU 2001242539 A1 AU2001242539 A1 AU 2001242539A1 AU 2001242539 A AU2001242539 A AU 2001242539A AU 4253901 A AU4253901 A AU 4253901A AU 2001242539 A1 AU2001242539 A1 AU 2001242539A1
Authority
AU
Australia
Prior art keywords
decoder
speech
frequency band
linear prediction
prediction filter
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.)
Abandoned
Application number
AU2001242539A
Other languages
English (en)
Inventor
Hannu Mikkola
Jani Rotola-Pukkila
Janne Vainio
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8557866&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU2001242539(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Publication of AU2001242539A1 publication Critical patent/AU2001242539A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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 spectral analysis, e.g. transform vocoders or subband vocoders
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0212Speech 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 spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Devices For Executing Special Programs (AREA)
  • Executing Machine-Instructions (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
AU2001242539A 2000-03-07 2001-03-06 Speech decoder and a method for decoding speech Abandoned AU2001242539A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20000524A FI119576B (sv) 2000-03-07 2000-03-07 Talbehandlingsanordning och förfarande för behandling av tal, samt en digital radiotelefon
FI20000524 2000-03-07
PCT/FI2001/000222 WO2001067437A1 (en) 2000-03-07 2001-03-06 Speech decoder and a method for decoding speech

Publications (1)

Publication Number Publication Date
AU2001242539A1 true AU2001242539A1 (en) 2001-09-17

Family

ID=8557866

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001242539A Abandoned AU2001242539A1 (en) 2000-03-07 2001-03-06 Speech decoder and a method for decoding speech

Country Status (15)

Country Link
US (1) US7483830B2 (sv)
EP (1) EP1264303B1 (sv)
JP (2) JP2003526123A (sv)
KR (1) KR100535778B1 (sv)
CN (1) CN1193344C (sv)
AT (1) ATE343835T1 (sv)
AU (1) AU2001242539A1 (sv)
BR (1) BRPI0109043B1 (sv)
CA (1) CA2399253C (sv)
DE (1) DE60124079T2 (sv)
ES (1) ES2274873T3 (sv)
FI (1) FI119576B (sv)
PT (1) PT1264303E (sv)
WO (1) WO2001067437A1 (sv)
ZA (1) ZA200205089B (sv)

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JP3467469B2 (ja) * 2000-10-31 2003-11-17 Necエレクトロニクス株式会社 音声復号装置および音声復号プログラムを記録した記録媒体
US6889182B2 (en) 2001-01-12 2005-05-03 Telefonaktiebolaget L M Ericsson (Publ) Speech bandwidth extension
FR2852172A1 (fr) * 2003-03-04 2004-09-10 France Telecom Procede et dispositif de reconstruction spectrale d'un signal audio
FI119533B (sv) * 2004-04-15 2008-12-15 Nokia Corp Kodning av audiosignaler
US8712768B2 (en) * 2004-05-25 2014-04-29 Nokia Corporation System and method for enhanced artificial bandwidth expansion
EP1785985B1 (en) * 2004-09-06 2008-08-27 Matsushita Electric Industrial Co., Ltd. Scalable encoding device and scalable encoding method
ATE429698T1 (de) * 2004-09-17 2009-05-15 Harman Becker Automotive Sys Bandbreitenerweiterung von bandbegrenzten tonsignalen
WO2006062202A1 (ja) * 2004-12-10 2006-06-15 Matsushita Electric Industrial Co., Ltd. 広帯域符号化装置、広帯域lsp予測装置、帯域スケーラブル符号化装置及び広帯域符号化方法
US8010353B2 (en) * 2005-01-14 2011-08-30 Panasonic Corporation Audio switching device and audio switching method that vary a degree of change in mixing ratio of mixing narrow-band speech signal and wide-band speech signal
BRPI0607646B1 (pt) * 2005-04-01 2021-05-25 Qualcomm Incorporated Método e equipamento para encodificação por divisão de banda de sinais de fala
JP4899359B2 (ja) 2005-07-11 2012-03-21 ソニー株式会社 信号符号化装置及び方法、信号復号装置及び方法、並びにプログラム及び記録媒体
CN103650037B (zh) * 2011-07-01 2015-12-09 杜比实验室特许公司 采样率可分级的无损音频编码
FR3008533A1 (fr) 2013-07-12 2015-01-16 Orange Facteur d'echelle optimise pour l'extension de bande de frequence dans un decodeur de signaux audiofrequences
MX362490B (es) * 2014-04-17 2019-01-18 Voiceage Corp Metodos codificador y decodificador para la codificacion y decodificacion predictiva lineal de señales de sonido en la transicion entre cuadros teniendo diferentes tasas de muestreo.
EP4343763A3 (en) * 2014-04-25 2024-06-05 Ntt Docomo, Inc. Linear prediction coefficient conversion device and linear prediction coefficient conversion method
KR102002681B1 (ko) * 2017-06-27 2019-07-23 한양대학교 산학협력단 생성적 대립 망 기반의 음성 대역폭 확장기 및 확장 방법
CN108198571B (zh) * 2017-12-21 2021-07-30 中国科学院声学研究所 一种基于自适应带宽判断的带宽扩展方法及系统
CN116110409B (zh) * 2023-04-10 2023-06-20 南京信息工程大学 一种ASIP架构的大容量并行Codec2声码器系统及编解码方法

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JPH0685607A (ja) 1992-08-31 1994-03-25 Alpine Electron Inc 高域成分復元装置
JP2779886B2 (ja) 1992-10-05 1998-07-23 日本電信電話株式会社 広帯域音声信号復元方法
US5455888A (en) 1992-12-04 1995-10-03 Northern Telecom Limited Speech bandwidth extension method and apparatus
DE4343366C2 (de) 1993-12-18 1996-02-29 Grundig Emv Verfahren und Schaltungsanordnung zur Vergrößerung der Bandbreite von schmalbandigen Sprachsignalen
JP3230790B2 (ja) 1994-09-02 2001-11-19 日本電信電話株式会社 広帯域音声信号復元方法
JP3230791B2 (ja) 1994-09-02 2001-11-19 日本電信電話株式会社 広帯域音声信号復元方法
JP3483958B2 (ja) 1994-10-28 2004-01-06 三菱電機株式会社 広帯域音声復元装置及び広帯域音声復元方法及び音声伝送システム及び音声伝送方法
JP2798003B2 (ja) * 1995-05-09 1998-09-17 松下電器産業株式会社 音声帯域拡大装置および音声帯域拡大方法
EP0732687B2 (en) * 1995-03-13 2005-10-12 Matsushita Electric Industrial Co., Ltd. Apparatus for expanding speech bandwidth
JPH0955778A (ja) * 1995-08-15 1997-02-25 Fujitsu Ltd 音声信号の広帯域化装置
JP3301473B2 (ja) 1995-09-27 2002-07-15 日本電信電話株式会社 広帯域音声信号復元方法
EP0878790A1 (en) * 1997-05-15 1998-11-18 Hewlett-Packard Company Voice coding system and method
SE512719C2 (sv) 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
EP0945852A1 (en) 1998-03-25 1999-09-29 BRITISH TELECOMMUNICATIONS public limited company Speech synthesis
JP3541680B2 (ja) * 1998-06-15 2004-07-14 日本電気株式会社 音声音楽信号の符号化装置および復号装置
US6539355B1 (en) * 1998-10-15 2003-03-25 Sony Corporation Signal band expanding method and apparatus and signal synthesis method and apparatus
JP2000305599A (ja) * 1999-04-22 2000-11-02 Sony Corp 音声合成装置及び方法、電話装置並びにプログラム提供媒体
JP2003514263A (ja) * 1999-11-10 2003-04-15 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ マッピング・マトリックスを用いた広帯域音声合成

Also Published As

Publication number Publication date
PT1264303E (pt) 2007-01-31
WO2001067437A1 (en) 2001-09-13
EP1264303B1 (en) 2006-10-25
US20010027390A1 (en) 2001-10-04
KR100535778B1 (ko) 2005-12-12
KR20020081388A (ko) 2002-10-26
ZA200205089B (en) 2003-04-30
FI20000524A0 (sv) 2000-03-07
JP2007156506A (ja) 2007-06-21
DE60124079T2 (de) 2007-03-08
CA2399253A1 (en) 2001-09-13
CN1416561A (zh) 2003-05-07
FI20000524A (sv) 2001-09-08
FI119576B (sv) 2008-12-31
JP2003526123A (ja) 2003-09-02
US7483830B2 (en) 2009-01-27
CN1193344C (zh) 2005-03-16
DE60124079D1 (de) 2006-12-07
ES2274873T3 (es) 2007-06-01
ATE343835T1 (de) 2006-11-15
BRPI0109043B1 (pt) 2017-06-06
CA2399253C (en) 2010-11-23
BR0109043A (pt) 2003-06-03
JP4777918B2 (ja) 2011-09-21
EP1264303A1 (en) 2002-12-11

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