HK1172992A1 - Audio signal encoder, audio signal decoder, method for providing an encoded representation of an audio content, method for providing a decoded representation of an audio content and computer program for use in low delay applications - Google Patents
Audio signal encoder, audio signal decoder, method for providing an encoded representation of an audio content, method for providing a decoded representation of an audio content and computer program for use in low delay applicationsInfo
- Publication number
- HK1172992A1 HK1172992A1 HK13100001.2A HK13100001A HK1172992A1 HK 1172992 A1 HK1172992 A1 HK 1172992A1 HK 13100001 A HK13100001 A HK 13100001A HK 1172992 A1 HK1172992 A1 HK 1172992A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- providing
- audio signal
- audio content
- audio
- representation
- Prior art date
Links
- 238000000034 method Methods 0.000 title 2
- 230000005236 sound signal Effects 0.000 title 2
- 238000004590 computer program Methods 0.000 title 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
- G10L19/02—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
-
- 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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
-
- 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
- G10L19/18—Vocoders using multiple modes
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US25345009P | 2009-10-20 | 2009-10-20 | |
PCT/EP2010/065753 WO2011048118A1 (fr) | 2009-10-20 | 2010-10-19 | Codeur de signal audio, décodeur de signal audio, procédé de mise à disposition d'une représentation codée d'un contenu audio, procédé de mise à disposition d'une représentation décodée d'un contenu audio et programme informatique destiné à être utilisé dans les applications à faible retard |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1172992A1 true HK1172992A1 (en) | 2013-05-03 |
Family
ID=43447915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK13100001.2A HK1172992A1 (en) | 2009-10-20 | 2013-01-02 | Audio signal encoder, audio signal decoder, method for providing an encoded representation of an audio content, method for providing a decoded representation of an audio content and computer program for use in low delay applications |
Country Status (17)
Country | Link |
---|---|
US (1) | US8630862B2 (fr) |
EP (1) | EP2473995B9 (fr) |
JP (1) | JP5243661B2 (fr) |
KR (1) | KR101414305B1 (fr) |
CN (1) | CN102859588B (fr) |
AR (1) | AR078702A1 (fr) |
BR (3) | BR122020024236B1 (fr) |
CA (1) | CA2778373C (fr) |
ES (1) | ES2533098T3 (fr) |
HK (1) | HK1172992A1 (fr) |
MX (1) | MX2012004518A (fr) |
MY (1) | MY162251A (fr) |
PL (1) | PL2473995T3 (fr) |
RU (1) | RU2596594C2 (fr) |
TW (1) | TWI435317B (fr) |
WO (1) | WO2011048118A1 (fr) |
ZA (1) | ZA201203611B (fr) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
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ES2657393T3 (es) * | 2008-07-11 | 2018-03-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codificador y descodificador de audio para codificar y descodificar muestras de audio |
JP5369180B2 (ja) * | 2008-07-11 | 2013-12-18 | フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ | サンプリングされたオーディオ信号のフレームを符号化するためのオーディオエンコーダおよびデコーダ |
MX2011000375A (es) * | 2008-07-11 | 2011-05-19 | Fraunhofer Ges Forschung | Codificador y decodificador de audio para codificar y decodificar tramas de una señal de audio muestreada. |
CN103270773A (zh) * | 2010-12-20 | 2013-08-28 | 株式会社尼康 | 声音控制装置及摄像装置 |
ES2458436T3 (es) | 2011-02-14 | 2014-05-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Representación de señal de información utilizando transformada superpuesta |
PL2676268T3 (pl) | 2011-02-14 | 2015-05-29 | Fraunhofer Ges Forschung | Urządzenie i sposób przetwarzania zdekodowanego sygnału audio w domenie widmowej |
RU2630390C2 (ru) | 2011-02-14 | 2017-09-07 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Устройство и способ для маскирования ошибок при стандартизированном кодировании речи и аудио с низкой задержкой (usac) |
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PL2676266T3 (pl) | 2011-02-14 | 2015-08-31 | Fraunhofer Ges Forschung | Układ kodowania na bazie predykcji liniowej wykorzystujący kształtowanie szumu w dziedzinie widmowej |
EP2676267B1 (fr) | 2011-02-14 | 2017-07-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codage et décodage des positions des impulsions des voies d'un signal audio |
MY159444A (en) | 2011-02-14 | 2017-01-13 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V | Encoding and decoding of pulse positions of tracks of an audio signal |
AU2012217216B2 (en) | 2011-02-14 | 2015-09-17 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result |
JP6110314B2 (ja) * | 2011-02-14 | 2017-04-05 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | 整列したルックアヘッド部分を用いてオーディオ信号を符号化及び復号するための装置並びに方法 |
KR101863687B1 (ko) * | 2011-04-21 | 2018-06-01 | 삼성전자주식회사 | 선형예측계수 양자화장치, 사운드 부호화장치, 선형예측계수 역양자화장치, 사운드 복호화장치와 전자기기 |
EP3537438A1 (fr) * | 2011-04-21 | 2019-09-11 | Samsung Electronics Co., Ltd. | Procédé de quantisation et appareil de quantification |
JPWO2013061584A1 (ja) * | 2011-10-28 | 2015-04-02 | パナソニック株式会社 | 音信号ハイブリッドデコーダ、音信号ハイブリッドエンコーダ、音信号復号方法、及び音信号符号化方法 |
CN103548080B (zh) * | 2012-05-11 | 2017-03-08 | 松下电器产业株式会社 | 声音信号混合编码器、声音信号混合解码器、声音信号编码方法以及声音信号解码方法 |
BR112014032735B1 (pt) * | 2012-06-28 | 2022-04-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V | Codificador e decodificador de áudio com base em predição linear e respectivos métodos para codificar e decodificar |
US9129600B2 (en) * | 2012-09-26 | 2015-09-08 | Google Technology Holdings LLC | Method and apparatus for encoding an audio signal |
PT2951820T (pt) | 2013-01-29 | 2017-03-02 | Fraunhofer Ges Forschung | Aparelho e método para selecionar um de um primeiro algoritmo de codificação e um segundo algoritmo de codificação |
EP3028275B1 (fr) | 2013-08-23 | 2017-09-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Appareil et procédé de traitement d'un signal audio au moyen d'une combinaison dans une plage de chevauchement |
CN104681034A (zh) | 2013-11-27 | 2015-06-03 | 杜比实验室特许公司 | 音频信号处理 |
CN105336336B (zh) | 2014-06-12 | 2016-12-28 | 华为技术有限公司 | 一种音频信号的时域包络处理方法及装置、编码器 |
EP2980797A1 (fr) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Décodeur audio, procédé et programme d'ordinateur utilisant une réponse d'entrée zéro afin d'obtenir une transition lisse |
EP3067887A1 (fr) | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codeur audio de signal multicanal et décodeur audio de signal audio codé |
EP3107096A1 (fr) | 2015-06-16 | 2016-12-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Décodage à échelle réduite |
US10008214B2 (en) * | 2015-09-11 | 2018-06-26 | Electronics And Telecommunications Research Institute | USAC audio signal encoding/decoding apparatus and method for digital radio services |
US10146500B2 (en) * | 2016-08-31 | 2018-12-04 | Dts, Inc. | Transform-based audio codec and method with subband energy smoothing |
EP3382700A1 (fr) * | 2017-03-31 | 2018-10-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Appareil et procede de post-traitement d'un signal audio à l'aide d'une détection d'emplacements transitoires |
EP3483883A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codage et décodage de signaux audio avec postfiltrage séléctif |
WO2019091573A1 (fr) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Appareil et procédé de codage et de décodage d'un signal audio utilisant un sous-échantillonnage ou une interpolation de paramètres d'échelle |
EP3483882A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Contrôle de la bande passante dans des codeurs et/ou des décodeurs |
EP3483878A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Décodeur audio supportant un ensemble de différents outils de dissimulation de pertes |
EP3483884A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Filtrage de signal |
EP3483879A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Fonction de fenêtrage d'analyse/de synthèse pour une transformation chevauchante modulée |
WO2019091576A1 (fr) * | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codeurs audio, décodeurs audio, procédés et programmes informatiques adaptant un codage et un décodage de bits les moins significatifs |
EP3483886A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Sélection de délai tonal |
EP3483880A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Mise en forme de bruit temporel |
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CA2457988A1 (fr) * | 2004-02-18 | 2005-08-18 | Voiceage Corporation | Methodes et dispositifs pour la compression audio basee sur le codage acelp/tcx et sur la quantification vectorielle a taux d'echantillonnage multiples |
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AU2004319555A1 (en) * | 2004-05-17 | 2005-11-24 | Nokia Corporation | Audio encoding with different coding models |
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US7596486B2 (en) * | 2004-05-19 | 2009-09-29 | Nokia Corporation | Encoding an audio signal using different audio coder modes |
US7386445B2 (en) * | 2005-01-18 | 2008-06-10 | Nokia Corporation | Compensation of transient effects in transform coding |
JP4819881B2 (ja) * | 2005-04-28 | 2011-11-24 | シーメンス アクチエンゲゼルシヤフト | ノイズを抑制するための方法と装置 |
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US7987089B2 (en) * | 2006-07-31 | 2011-07-26 | Qualcomm Incorporated | Systems and methods for modifying a zero pad region of a windowed frame of an audio signal |
BR122019024992B1 (pt) * | 2006-12-12 | 2021-04-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. | Codificador, decodificador e métodos para codificação e decodificação de segmentos de dados representando uma corrente de dados de domínio de tempo |
EP2269188B1 (fr) * | 2008-03-14 | 2014-06-11 | Dolby Laboratories Licensing Corporation | Codage multimode de signaux de type vocal et non vocal |
JP5295372B2 (ja) * | 2008-09-17 | 2013-09-18 | フランス・テレコム | デジタルオーディオ信号におけるプリエコーの減衰 |
CA2763793C (fr) * | 2009-06-23 | 2017-05-09 | Voiceage Corporation | Suppression directe du repliement de domaine temporel avec application dans un domaine de signal pondere ou d'origine |
-
2010
- 2010-10-19 JP JP2012534674A patent/JP5243661B2/ja active Active
- 2010-10-19 BR BR122020024236-1A patent/BR122020024236B1/pt active IP Right Grant
- 2010-10-19 BR BR122020024243-4A patent/BR122020024243B1/pt active IP Right Grant
- 2010-10-19 WO PCT/EP2010/065753 patent/WO2011048118A1/fr active Application Filing
- 2010-10-19 MX MX2012004518A patent/MX2012004518A/es active IP Right Grant
- 2010-10-19 RU RU2012118782/08A patent/RU2596594C2/ru not_active Application Discontinuation
- 2010-10-19 CA CA2778373A patent/CA2778373C/fr active Active
- 2010-10-19 EP EP10768928.3A patent/EP2473995B9/fr active Active
- 2010-10-19 PL PL10768928T patent/PL2473995T3/pl unknown
- 2010-10-19 CN CN201080047598.XA patent/CN102859588B/zh active Active
- 2010-10-19 TW TW099135557A patent/TWI435317B/zh active
- 2010-10-19 MY MYPI2012001633A patent/MY162251A/en unknown
- 2010-10-19 ES ES10768928.3T patent/ES2533098T3/es active Active
- 2010-10-19 BR BR112012009032-1A patent/BR112012009032B1/pt active IP Right Grant
- 2010-10-19 KR KR1020127010336A patent/KR101414305B1/ko active IP Right Grant
- 2010-10-20 AR ARP100103829A patent/AR078702A1/es active IP Right Grant
-
2012
- 2012-04-19 US US13/450,792 patent/US8630862B2/en active Active
- 2012-05-17 ZA ZA2012/03611A patent/ZA201203611B/en unknown
-
2013
- 2013-01-02 HK HK13100001.2A patent/HK1172992A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CA2778373C (fr) | 2015-12-01 |
TWI435317B (zh) | 2014-04-21 |
JP2013508766A (ja) | 2013-03-07 |
BR112012009032A2 (pt) | 2020-08-18 |
BR122020024236B1 (pt) | 2021-09-14 |
MX2012004518A (es) | 2012-05-29 |
AU2010309839A1 (en) | 2012-05-17 |
EP2473995B1 (fr) | 2014-12-17 |
PL2473995T3 (pl) | 2015-06-30 |
US20120265541A1 (en) | 2012-10-18 |
EP2473995A1 (fr) | 2012-07-11 |
KR20120063527A (ko) | 2012-06-15 |
CN102859588A (zh) | 2013-01-02 |
US8630862B2 (en) | 2014-01-14 |
TW201137861A (en) | 2011-11-01 |
ES2533098T3 (es) | 2015-04-07 |
BR122020024243B1 (pt) | 2022-02-01 |
BR112012009032B1 (pt) | 2021-09-21 |
JP5243661B2 (ja) | 2013-07-24 |
RU2012118782A (ru) | 2013-11-10 |
WO2011048118A1 (fr) | 2011-04-28 |
ZA201203611B (en) | 2013-02-27 |
CA2778373A1 (fr) | 2011-04-28 |
RU2596594C2 (ru) | 2016-09-10 |
AR078702A1 (es) | 2011-11-30 |
MY162251A (en) | 2017-05-31 |
CN102859588B (zh) | 2014-09-10 |
KR101414305B1 (ko) | 2014-07-02 |
EP2473995B9 (fr) | 2016-12-21 |
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