ZA200205089B - Speech decoder and a method for decoding speech. - Google Patents

Speech decoder and a method for decoding speech.

Info

Publication number
ZA200205089B
ZA200205089B ZA200205089A ZA200205089A ZA200205089B ZA 200205089 B ZA200205089 B ZA 200205089B ZA 200205089 A ZA200205089 A ZA 200205089A ZA 200205089 A ZA200205089 A ZA 200205089A ZA 200205089 B ZA200205089 B ZA 200205089B
Authority
ZA
South Africa
Prior art keywords
decoder
speech
frequency band
linear prediction
prediction filter
Prior art date
Application number
ZA200205089A
Other languages
English (en)
Inventor
Jani Rotolapukkila
Janne Vainio
Hannu Mikkola
Original Assignee
Nokia Corp
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=ZA200205089(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nokia Corp filed Critical Nokia Corp
Publication of ZA200205089B publication Critical patent/ZA200205089B/xx

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
    • 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
    • G10L19/16—Vocoder architecture
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0212—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 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)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Devices For Executing Special Programs (AREA)
  • Executing Machine-Instructions (AREA)
ZA200205089A 2000-03-07 2002-06-25 Speech decoder and a method for decoding speech. ZA200205089B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20000524A FI119576B (fi) 2000-03-07 2000-03-07 Puheenkäsittelylaite ja menetelmä puheen käsittelemiseksi, sekä digitaalinen radiopuhelin

Publications (1)

Publication Number Publication Date
ZA200205089B true ZA200205089B (en) 2003-04-30

Family

ID=8557866

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200205089A ZA200205089B (en) 2000-03-07 2002-06-25 Speech decoder and a method for decoding speech.

Country Status (15)

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

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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 (fi) * 2004-04-15 2008-12-15 Nokia Corp Audiosignaalien koodaus
US8712768B2 (en) * 2004-05-25 2014-04-29 Nokia Corporation System and method for enhanced artificial bandwidth expansion
ATE406652T1 (de) * 2004-09-06 2008-09-15 Matsushita Electric Ind Co Ltd Skalierbare codierungseinrichtung und skalierbares codierungsverfahren
DE602004020765D1 (de) * 2004-09-17 2009-06-04 Harman Becker Automotive Sys Bandbreitenerweiterung von bandbegrenzten Tonsignalen
BRPI0515814A (pt) * 2004-12-10 2008-08-05 Matsushita Electric Ind Co Ltd dispositivo de codificação de banda larga, dispositivo de predição de lsp de banda larga, dispositivo de codificação de banda escalonável, método de codificação de banda larga
EP2107557A3 (en) * 2005-01-14 2010-08-25 Panasonic Corporation Scalable decoding apparatus and method
EP1864281A1 (en) * 2005-04-01 2007-12-12 QUALCOMM Incorporated Systems, methods, and apparatus for highband burst suppression
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
US20140214431A1 (en) * 2011-07-01 2014-07-31 Dolby Laboratories Licensing Corporation Sample rate scalable lossless audio coding
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
BR122020015614B1 (pt) 2014-04-17 2022-06-07 Voiceage Evs Llc Método e dispositivo para interpolar parâmetros de filtro de predição linear em um quadro de processamento de sinal sonoro atual seguindo um quadro de processamento de sinal sonoro anterior
PT3136384T (pt) 2014-04-25 2019-04-22 Ntt Docomo Inc Dispositivo de conversão do coeficiente de previsão linear e método de conversão do coeficiente de previsão linear
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
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
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
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
DE69619284T3 (de) * 1995-03-13 2006-04-27 Matsushita Electric Industrial Co., Ltd., Kadoma Vorrichtung zur Erweiterung der Sprachbandbreite
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
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
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Also Published As

Publication number Publication date
DE60124079T2 (de) 2007-03-08
AU2001242539A1 (en) 2001-09-17
EP1264303A1 (en) 2002-12-11
JP2003526123A (ja) 2003-09-02
ES2274873T3 (es) 2007-06-01
PT1264303E (pt) 2007-01-31
WO2001067437A1 (en) 2001-09-13
DE60124079D1 (de) 2006-12-07
BRPI0109043B1 (pt) 2017-06-06
BR0109043A (pt) 2003-06-03
KR100535778B1 (ko) 2005-12-12
CN1416561A (zh) 2003-05-07
JP2007156506A (ja) 2007-06-21
KR20020081388A (ko) 2002-10-26
EP1264303B1 (en) 2006-10-25
CA2399253A1 (en) 2001-09-13
US20010027390A1 (en) 2001-10-04
CN1193344C (zh) 2005-03-16
FI20000524A0 (fi) 2000-03-07
FI20000524A (fi) 2001-09-08
JP4777918B2 (ja) 2011-09-21
FI119576B (fi) 2008-12-31
ATE343835T1 (de) 2006-11-15
US7483830B2 (en) 2009-01-27
CA2399253C (en) 2010-11-23

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