AU2001242539A1 - Speech decoder and a method for decoding speech - Google Patents
Speech decoder and a method for decoding speechInfo
- 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
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000005070 sampling Methods 0.000 abstract 2
- 238000013213 extrapolation Methods 0.000 abstract 1
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)
- Devices For Executing Special Programs (AREA)
- Executing Machine-Instructions (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
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) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
-
2000
- 2000-03-07 FI FI20000524A patent/FI119576B/sv not_active IP Right Cessation
-
2001
- 2001-03-01 US US09/797,115 patent/US7483830B2/en not_active Expired - Lifetime
- 2001-03-06 AT AT01915443T patent/ATE343835T1/de not_active IP Right Cessation
- 2001-03-06 CA CA2399253A patent/CA2399253C/en not_active Expired - Lifetime
- 2001-03-06 PT PT01915443T patent/PT1264303E/pt unknown
- 2001-03-06 CN CNB018061710A patent/CN1193344C/zh not_active Expired - Lifetime
- 2001-03-06 EP EP01915443A patent/EP1264303B1/en not_active Expired - Lifetime
- 2001-03-06 AU AU2001242539A patent/AU2001242539A1/en not_active Abandoned
- 2001-03-06 ES ES01915443T patent/ES2274873T3/es not_active Expired - Lifetime
- 2001-03-06 JP JP2001565171A patent/JP2003526123A/ja not_active Withdrawn
- 2001-03-06 DE DE60124079T patent/DE60124079T2/de not_active Expired - Lifetime
- 2001-03-06 WO PCT/FI2001/000222 patent/WO2001067437A1/en active IP Right Grant
- 2001-03-06 BR BRPI0109043A patent/BRPI0109043B1/pt active IP Right Grant
- 2001-03-06 KR KR10-2002-7011557A patent/KR100535778B1/ko active IP Right Grant
-
2002
- 2002-06-25 ZA ZA200205089A patent/ZA200205089B/xx unknown
-
2007
- 2007-02-14 JP JP2007033961A patent/JP4777918B2/ja not_active Expired - Lifetime
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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