ATE468584T1 - Verfahren und vorrichtung zur rekonstruktion des spektrums eines audiosignals - Google Patents
Verfahren und vorrichtung zur rekonstruktion des spektrums eines audiosignalsInfo
- Publication number
- ATE468584T1 ATE468584T1 AT04716626T AT04716626T ATE468584T1 AT E468584 T1 ATE468584 T1 AT E468584T1 AT 04716626 T AT04716626 T AT 04716626T AT 04716626 T AT04716626 T AT 04716626T AT E468584 T1 ATE468584 T1 AT E468584T1
- Authority
- AT
- Austria
- Prior art keywords
- audio signal
- coded
- spectrum
- coding
- spectral reconstruction
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/0204—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 subband decomposition
- G10L19/0208—Subband vocoders
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0302730A FR2852172A1 (fr) | 2003-03-04 | 2003-03-04 | Procede et dispositif de reconstruction spectrale d'un signal audio |
PCT/FR2004/000488 WO2004081918A1 (fr) | 2003-03-04 | 2004-03-03 | Procede et dispositif de reconstruction spectrale d’un signal audio |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE468584T1 true ATE468584T1 (de) | 2010-06-15 |
Family
ID=32865273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT04716626T ATE468584T1 (de) | 2003-03-04 | 2004-03-03 | Verfahren und vorrichtung zur rekonstruktion des spektrums eines audiosignals |
Country Status (9)
Country | Link |
---|---|
US (1) | US7720676B2 (de) |
EP (1) | EP1599868B1 (de) |
JP (1) | JP4660470B2 (de) |
KR (1) | KR101091593B1 (de) |
AT (1) | ATE468584T1 (de) |
DE (1) | DE602004027219D1 (de) |
ES (1) | ES2345489T3 (de) |
FR (1) | FR2852172A1 (de) |
WO (1) | WO2004081918A1 (de) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
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SE0202159D0 (sv) | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
US8605911B2 (en) | 2001-07-10 | 2013-12-10 | Dolby International Ab | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
CN1279512C (zh) | 2001-11-29 | 2006-10-11 | 编码技术股份公司 | 用于改善高频重建的方法和装置 |
SE0202770D0 (sv) | 2002-09-18 | 2002-09-18 | Coding Technologies Sweden Ab | Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks |
CN101044554A (zh) * | 2004-10-13 | 2007-09-26 | 松下电器产业株式会社 | 可扩展性编码装置、可扩展性解码装置以及可扩展性编码方法 |
CN102201242B (zh) | 2004-11-05 | 2013-02-27 | 松下电器产业株式会社 | 编码装置、解码装置、编码方法及解码方法 |
KR100818268B1 (ko) | 2005-04-14 | 2008-04-02 | 삼성전자주식회사 | 오디오 데이터 부호화 및 복호화 장치와 방법 |
CN102013256B (zh) * | 2005-07-14 | 2013-12-18 | 皇家飞利浦电子股份有限公司 | 用于生成多个输出音频通道的方法及设备 |
US8626503B2 (en) * | 2005-07-14 | 2014-01-07 | Erik Gosuinus Petrus Schuijers | Audio encoding and decoding |
JP5142723B2 (ja) * | 2005-10-14 | 2013-02-13 | パナソニック株式会社 | スケーラブル符号化装置、スケーラブル復号装置、およびこれらの方法 |
EP1990800B1 (de) | 2006-03-17 | 2016-11-16 | Panasonic Intellectual Property Management Co., Ltd. | Skalierbare verschlüsselungsvorrichtung und skalierbares verschlüsselungsverfahren |
US7461106B2 (en) * | 2006-09-12 | 2008-12-02 | Motorola, Inc. | Apparatus and method for low complexity combinatorial coding of signals |
JP4918841B2 (ja) * | 2006-10-23 | 2012-04-18 | 富士通株式会社 | 符号化システム |
US8295507B2 (en) * | 2006-11-09 | 2012-10-23 | Sony Corporation | Frequency band extending apparatus, frequency band extending method, player apparatus, playing method, program and recording medium |
US20100017199A1 (en) * | 2006-12-27 | 2010-01-21 | Panasonic Corporation | Encoding device, decoding device, and method thereof |
JP4708446B2 (ja) * | 2007-03-02 | 2011-06-22 | パナソニック株式会社 | 符号化装置、復号装置およびそれらの方法 |
GB0705328D0 (en) * | 2007-03-20 | 2007-04-25 | Skype Ltd | Method of transmitting data in a communication system |
CN101939782B (zh) * | 2007-08-27 | 2012-12-05 | 爱立信电话股份有限公司 | 噪声填充与带宽扩展之间的自适应过渡频率 |
DK3401907T3 (da) * | 2007-08-27 | 2020-03-02 | Ericsson Telefon Ab L M | Fremgangsmåde og indretning til perceptuel spektral afkodning af et audiosignal omfattende udfyldning af spektrale huller |
US8576096B2 (en) * | 2007-10-11 | 2013-11-05 | Motorola Mobility Llc | Apparatus and method for low complexity combinatorial coding of signals |
US20090234642A1 (en) * | 2008-03-13 | 2009-09-17 | Motorola, Inc. | Method and Apparatus for Low Complexity Combinatorial Coding of Signals |
FR2929466A1 (fr) * | 2008-03-28 | 2009-10-02 | France Telecom | Dissimulation d'erreur de transmission dans un signal numerique dans une structure de decodage hierarchique |
US8639519B2 (en) * | 2008-04-09 | 2014-01-28 | Motorola Mobility Llc | Method and apparatus for selective signal coding based on core encoder performance |
ES2406422T3 (es) * | 2008-06-24 | 2013-06-06 | Telefonaktiebolaget L M Ericsson (Publ) | Esquema multimodo para codificación mejorada de audio |
US8428936B2 (en) * | 2010-03-05 | 2013-04-23 | Motorola Mobility Llc | Decoder for audio signal including generic audio and speech frames |
US8423355B2 (en) * | 2010-03-05 | 2013-04-16 | Motorola Mobility Llc | Encoder for audio signal including generic audio and speech frames |
CN102208188B (zh) | 2011-07-13 | 2013-04-17 | 华为技术有限公司 | 音频信号编解码方法和设备 |
WO2013142650A1 (en) | 2012-03-23 | 2013-09-26 | Dolby International Ab | Enabling sampling rate diversity in a voice communication system |
EP2830065A1 (de) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Decodierung eines codierten Audiosignals unter Verwendung eines Überschneidungsfilters um eine Übergangsfrequenz |
US20150170655A1 (en) * | 2013-12-15 | 2015-06-18 | Qualcomm Incorporated | Systems and methods of blind bandwidth extension |
EP3107096A1 (de) | 2015-06-16 | 2016-12-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verkleinerte decodierung |
CA2985019C (en) * | 2016-02-17 | 2022-05-03 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Post-processor, pre-processor, audio encoder, audio decoder and related methods for enhancing transient processing |
MX2018010753A (es) * | 2016-03-07 | 2019-01-14 | Fraunhofer Ges Forschung | Método de ocultamiento híbrido: combinación de ocultamiento de pérdida paquete de dominio de frecuencia y tiempo en códecs de audio. |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5495552A (en) * | 1992-04-20 | 1996-02-27 | Mitsubishi Denki Kabushiki Kaisha | Methods of efficiently recording an audio signal in semiconductor memory |
FR2729030B1 (fr) * | 1994-12-30 | 1997-03-28 | France Telecom | Procede de reconfiguration dynamique d'un signal presentant un entrelacement temporel, recepteur et signal correspondants |
JP3344944B2 (ja) * | 1997-05-15 | 2002-11-18 | 松下電器産業株式会社 | オーディオ信号符号化装置,オーディオ信号復号化装置,オーディオ信号符号化方法,及びオーディオ信号復号化方法 |
US6023233A (en) * | 1998-03-20 | 2000-02-08 | Craven; Peter G. | Data rate control for variable rate compression systems |
FR2791167B1 (fr) * | 1999-03-17 | 2003-01-10 | Matra Nortel Communications | Procedes de codage, de decodage et de transcodage audio |
US6226616B1 (en) * | 1999-06-21 | 2001-05-01 | Digital Theater Systems, Inc. | Sound quality of established low bit-rate audio coding systems without loss of decoder compatibility |
US6704703B2 (en) * | 2000-02-04 | 2004-03-09 | Scansoft, Inc. | Recursively excited linear prediction speech coder |
FI119576B (fi) * | 2000-03-07 | 2008-12-31 | Nokia Corp | Puheenkäsittelylaite ja menetelmä puheen käsittelemiseksi, sekä digitaalinen radiopuhelin |
US7742927B2 (en) * | 2000-04-18 | 2010-06-22 | France Telecom | Spectral enhancing method and device |
FI109393B (fi) * | 2000-07-14 | 2002-07-15 | Nokia Corp | Menetelmä mediavirran enkoodaamiseksi skaalautuvasti, skaalautuva enkooderi ja päätelaite |
EP1199812A1 (de) * | 2000-10-20 | 2002-04-24 | Telefonaktiebolaget Lm Ericsson | Kodierung der akustischen Signale mit Verbesserung der Wahrnehmung |
SE0004187D0 (sv) * | 2000-11-15 | 2000-11-15 | Coding Technologies Sweden Ab | Enhancing the performance of coding systems that use high frequency reconstruction methods |
CN1279512C (zh) * | 2001-11-29 | 2006-10-11 | 编码技术股份公司 | 用于改善高频重建的方法和装置 |
KR100636145B1 (ko) * | 2004-06-04 | 2006-10-18 | 삼성전자주식회사 | 확장된 고해상도 오디오 신호 부호화 및 복호화 장치 |
ATE442645T1 (de) * | 2006-02-06 | 2009-09-15 | France Telecom | Verfahren und vorrichtung zur hierarchischen kodierung eines quelltonsignals sowie entsprechendes decodierverfahren und gerät, programme und signal |
FR2898443A1 (fr) * | 2006-03-13 | 2007-09-14 | France Telecom | Procede de codage d'un signal audio source, dispositif de codage, procede et dispositif de decodage, signal, produits programme d'ordinateur correspondants |
-
2003
- 2003-03-04 FR FR0302730A patent/FR2852172A1/fr active Pending
-
2004
- 2004-03-03 AT AT04716626T patent/ATE468584T1/de not_active IP Right Cessation
- 2004-03-03 US US10/547,759 patent/US7720676B2/en active Active
- 2004-03-03 EP EP04716626A patent/EP1599868B1/de not_active Expired - Lifetime
- 2004-03-03 KR KR1020057016445A patent/KR101091593B1/ko active IP Right Grant
- 2004-03-03 DE DE602004027219T patent/DE602004027219D1/de not_active Expired - Lifetime
- 2004-03-03 ES ES04716626T patent/ES2345489T3/es not_active Expired - Lifetime
- 2004-03-03 JP JP2006505683A patent/JP4660470B2/ja not_active Expired - Lifetime
- 2004-03-03 WO PCT/FR2004/000488 patent/WO2004081918A1/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US20060265087A1 (en) | 2006-11-23 |
EP1599868A1 (de) | 2005-11-30 |
US7720676B2 (en) | 2010-05-18 |
KR20060007371A (ko) | 2006-01-24 |
ES2345489T3 (es) | 2010-09-24 |
KR101091593B1 (ko) | 2011-12-13 |
JP4660470B2 (ja) | 2011-03-30 |
WO2004081918A1 (fr) | 2004-09-23 |
DE602004027219D1 (de) | 2010-07-01 |
EP1599868B1 (de) | 2010-05-19 |
JP2006520487A (ja) | 2006-09-07 |
FR2852172A1 (fr) | 2004-09-10 |
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Legal Events
Date | Code | Title | Description |
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RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |