BRPI1005300A2 - codificador de áudio. decodificador de áudio, informações de áudio codificado, métodos para codificar e decodificar um sinal de áudio e programa de computador - Google Patents
codificador de áudio. decodificador de áudio, informações de áudio codificado, métodos para codificar e decodificar um sinal de áudio e programa de computadorInfo
- Publication number
- BRPI1005300A2 BRPI1005300A2 BRPI1005300A BRPI1005300A BRPI1005300A2 BR PI1005300 A2 BRPI1005300 A2 BR PI1005300A2 BR PI1005300 A BRPI1005300 A BR PI1005300A BR PI1005300 A BRPI1005300 A BR PI1005300A BR PI1005300 A2 BRPI1005300 A2 BR PI1005300A2
- Authority
- BR
- Brazil
- Prior art keywords
- audio
- decoding
- encoding
- methods
- computer program
- Prior art date
Links
- 238000004590 computer program Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 230000005236 sound signal Effects 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
- G10L19/02—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
- G10L19/04—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
- G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
-
- 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
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
-
- 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
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
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 (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14788709P | 2009-01-28 | 2009-01-28 | |
| US61/147,887 | 2009-01-28 | ||
| PCT/EP2010/050998 WO2010086373A2 (en) | 2009-01-28 | 2010-01-28 | Audio encoder, audio decoder, encoded audio information, methods for encoding and decoding an audio signal and computer program |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BRPI1005300A2 true BRPI1005300A2 (pt) | 2016-12-06 |
| BRPI1005300B1 BRPI1005300B1 (pt) | 2021-06-29 |
Family
ID=42289346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI1005300-0A BRPI1005300B1 (pt) | 2009-01-28 | 2010-01-28 | Codificador de áudio, decodificador de áudio, informações de áudio codificado e métodos para codificar e decodificar um sinal de áudio com base em uma informação de áudio codificado e em uma informação de áudio de entrada. |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US8762159B2 (pt) |
| EP (1) | EP2382625B1 (pt) |
| JP (1) | JP2012516462A (pt) |
| KR (1) | KR101316979B1 (pt) |
| CN (1) | CN102334160B (pt) |
| AR (1) | AR075199A1 (pt) |
| AU (1) | AU2010209756B2 (pt) |
| BR (1) | BRPI1005300B1 (pt) |
| CA (1) | CA2750795C (pt) |
| ES (1) | ES2567129T3 (pt) |
| MX (1) | MX2011007925A (pt) |
| RU (1) | RU2542668C2 (pt) |
| TW (1) | TWI459375B (pt) |
| WO (1) | WO2010086373A2 (pt) |
Families Citing this family (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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. |
| CA2871498C (en) * | 2008-07-11 | 2017-10-17 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder and decoder for encoding and decoding audio samples |
| US8457975B2 (en) * | 2009-01-28 | 2013-06-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio decoder, audio encoder, methods for decoding and encoding an audio signal and computer program |
| KR101622950B1 (ko) * | 2009-01-28 | 2016-05-23 | 삼성전자주식회사 | 오디오 신호의 부호화 및 복호화 방법 및 그 장치 |
| KR101137652B1 (ko) * | 2009-10-14 | 2012-04-23 | 광운대학교 산학협력단 | 천이 구간에 기초하여 윈도우의 오버랩 영역을 조절하는 통합 음성/오디오 부호화/복호화 장치 및 방법 |
| CN103493129B (zh) | 2011-02-14 | 2016-08-10 | 弗劳恩霍夫应用研究促进协会 | 用于使用瞬态检测及质量结果将音频信号的部分编码的装置与方法 |
| CA2799343C (en) | 2011-02-14 | 2016-06-21 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Information signal representation using lapped transform |
| EP2676264B1 (en) | 2011-02-14 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder estimating background noise during active phases |
| EP2676266B1 (en) | 2011-02-14 | 2015-03-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Linear prediction based coding scheme using spectral domain noise shaping |
| TWI488176B (zh) | 2011-02-14 | 2015-06-11 | Fraunhofer Ges Forschung | 音訊信號音軌脈衝位置之編碼與解碼技術 |
| RU2586597C2 (ru) | 2011-02-14 | 2016-06-10 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Кодирование и декодирование позиций импульсов дорожек аудиосигнала |
| AU2012217153B2 (en) | 2011-02-14 | 2015-07-16 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for encoding and decoding an audio signal using an aligned look-ahead portion |
| KR101551046B1 (ko) | 2011-02-14 | 2015-09-07 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 저-지연 통합 스피치 및 오디오 코딩에서 에러 은닉을 위한 장치 및 방법 |
| TWI469136B (zh) * | 2011-02-14 | 2015-01-11 | Fraunhofer Ges Forschung | 在一頻譜域中用以處理已解碼音訊信號之裝置及方法 |
| TWI488178B (zh) | 2011-03-18 | 2015-06-11 | Fraunhofer Ges Forschung | 表示音訊內容之位元串流之訊框中的訊框元件定位技術 |
| US8838261B2 (en) * | 2011-06-03 | 2014-09-16 | Apple Inc. | Audio configuration based on selectable audio modes |
| JP5799707B2 (ja) * | 2011-09-26 | 2015-10-28 | ソニー株式会社 | オーディオ符号化装置およびオーディオ符号化方法、オーディオ復号装置およびオーディオ復号方法、並びにプログラム |
| CN104718572B (zh) * | 2012-06-04 | 2018-07-31 | 三星电子株式会社 | 音频编码方法和装置、音频解码方法和装置及采用该方法和装置的多媒体装置 |
| KR20140075466A (ko) * | 2012-12-11 | 2014-06-19 | 삼성전자주식회사 | 오디오 신호의 인코딩 및 디코딩 방법, 및 오디오 신호의 인코딩 및 디코딩 장치 |
| CN110232929B (zh) | 2013-02-20 | 2023-06-13 | 弗劳恩霍夫应用研究促进协会 | 用于对音频信号进行译码的译码器和方法 |
| US20150100324A1 (en) * | 2013-10-04 | 2015-04-09 | Nvidia Corporation | Audio encoder performance for miracast |
| EP2980791A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Processor, method and computer program for processing an audio signal using truncated analysis or synthesis window overlap portions |
| FR3024582A1 (fr) * | 2014-07-29 | 2016-02-05 | Orange | Gestion de la perte de trame dans un contexte de transition fd/lpd |
| CN105632503B (zh) * | 2014-10-28 | 2019-09-03 | 南宁富桂精密工业有限公司 | 信息隐藏方法及系统 |
| US10504530B2 (en) * | 2015-11-03 | 2019-12-10 | Dolby Laboratories Licensing Corporation | Switching between transforms |
| JP6412292B2 (ja) | 2016-01-22 | 2018-10-24 | 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 | スペクトルドメイン・リサンプリングを用いて多チャネル信号を符号化又は復号化する装置及び方法 |
| CN116631413B (zh) * | 2017-01-10 | 2025-11-11 | 弗劳恩霍夫应用研究促进协会 | 音频解码器、提供解码的音频信号的方法、和计算机程序产品 |
| EP3382700A1 (en) * | 2017-03-31 | 2018-10-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for post-processing an audio signal using a transient location detection |
| KR102632136B1 (ko) | 2017-04-28 | 2024-01-31 | 디티에스, 인코포레이티드 | 오디오 코더 윈도우 사이즈 및 시간-주파수 변환 |
| EP3483879A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Analysis/synthesis windowing function for modulated lapped transformation |
| EP3483886A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Selecting pitch lag |
| WO2019091576A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits |
| EP3483878A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder supporting a set of different loss concealment tools |
| EP3483884A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal filtering |
| EP3483882A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Controlling bandwidth in encoders and/or decoders |
| WO2019091573A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters |
| EP3483883A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio coding and decoding with selective postfiltering |
| EP3483880A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Temporal noise shaping |
| KR20210022546A (ko) * | 2018-06-21 | 2021-03-03 | 소니 주식회사 | 부호화 장치 및 방법, 복호 장치 및 방법, 그리고 프로그램 |
| CN111862953B (zh) * | 2019-12-05 | 2023-08-22 | 北京嘀嘀无限科技发展有限公司 | 语音识别模型的训练方法、语音识别方法及装置 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2654294B1 (fr) | 1989-11-08 | 1992-02-14 | Aerospatiale | Torche a plasma a amorcage par court-circuit. |
| JP2853553B2 (ja) * | 1994-02-22 | 1999-02-03 | 日本電気株式会社 | 動画像符号化方式 |
| US5848391A (en) * | 1996-07-11 | 1998-12-08 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Method subband of coding and decoding audio signals using variable length windows |
| KR100335611B1 (ko) * | 1997-11-20 | 2002-10-09 | 삼성전자 주식회사 | 비트율 조절이 가능한 스테레오 오디오 부호화/복호화 방법 및 장치 |
| KR100335609B1 (ko) * | 1997-11-20 | 2002-10-04 | 삼성전자 주식회사 | 비트율조절이가능한오디오부호화/복호화방법및장치 |
| US6446037B1 (en) * | 1999-08-09 | 2002-09-03 | Dolby Laboratories Licensing Corporation | Scalable coding method for high quality audio |
| US6978236B1 (en) * | 1999-10-01 | 2005-12-20 | Coding Technologies Ab | Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching |
| US7110953B1 (en) * | 2000-06-02 | 2006-09-19 | Agere Systems Inc. | Perceptual coding of audio signals using separated irrelevancy reduction and redundancy reduction |
| EP1310099B1 (en) * | 2000-08-16 | 2005-11-02 | Dolby Laboratories Licensing Corporation | Modulating one or more parameters of an audio or video perceptual coding system in response to supplemental information |
| DE10345995B4 (de) * | 2003-10-02 | 2005-07-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Verarbeiten eines Signals mit einer Sequenz von diskreten Werten |
| SE0402651D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Advanced methods for interpolation and parameter signalling |
| US8032240B2 (en) * | 2005-07-11 | 2011-10-04 | Lg Electronics Inc. | Apparatus and method of processing an audio signal |
| KR101215937B1 (ko) * | 2006-02-07 | 2012-12-27 | 엘지전자 주식회사 | ＩＯＩ 카운트（ｉｎｔｅｒ ｏｎｓｅｔ ｉｎｔｅｒｖａｌｃｏｕｎｔ） 기반 템포 추정 방법 및 이를 위한 템포 추정장치 |
| US8036903B2 (en) | 2006-10-18 | 2011-10-11 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Analysis filterbank, synthesis filterbank, encoder, de-coder, mixer and conferencing system |
| US7953595B2 (en) * | 2006-10-18 | 2011-05-31 | Polycom, Inc. | Dual-transform coding of audio signals |
| EP2015293A1 (en) * | 2007-06-14 | 2009-01-14 | Deutsche Thomson OHG | Method and apparatus for encoding and decoding an audio signal using adaptively switched temporal resolution in the spectral domain |
| KR101490246B1 (ko) * | 2007-07-02 | 2015-02-05 | 엘지전자 주식회사 | 방송 수신기 및 방송신호 처리방법 |
-
2010
- 2010-01-28 RU RU2011133691/08A patent/RU2542668C2/ru active
- 2010-01-28 AU AU2010209756A patent/AU2010209756B2/en active Active
- 2010-01-28 KR KR1020117018596A patent/KR101316979B1/ko active Active
- 2010-01-28 ES ES10720358.0T patent/ES2567129T3/es active Active
- 2010-01-28 TW TW099102406A patent/TWI459375B/zh active
- 2010-01-28 CA CA2750795A patent/CA2750795C/en active Active
- 2010-01-28 EP EP10720358.0A patent/EP2382625B1/en active Active
- 2010-01-28 WO PCT/EP2010/050998 patent/WO2010086373A2/en not_active Ceased
- 2010-01-28 JP JP2011546842A patent/JP2012516462A/ja active Pending
- 2010-01-28 MX MX2011007925A patent/MX2011007925A/es active IP Right Grant
- 2010-01-28 BR BRPI1005300-0A patent/BRPI1005300B1/pt active IP Right Grant
- 2010-01-28 CN CN201080009687.5A patent/CN102334160B/zh active Active
- 2010-01-28 AR ARP100100218A patent/AR075199A1/es active IP Right Grant
-
2011
- 2011-07-26 US US13/191,246 patent/US8762159B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| AR075199A1 (es) | 2011-03-16 |
| US8762159B2 (en) | 2014-06-24 |
| TWI459375B (zh) | 2014-11-01 |
| TW201032218A (en) | 2010-09-01 |
| BRPI1005300B1 (pt) | 2021-06-29 |
| RU2542668C2 (ru) | 2015-02-20 |
| MX2011007925A (es) | 2011-08-17 |
| AU2010209756B2 (en) | 2013-10-31 |
| KR20110124229A (ko) | 2011-11-16 |
| CA2750795A1 (en) | 2010-08-05 |
| CA2750795C (en) | 2015-05-26 |
| EP2382625B1 (en) | 2016-01-06 |
| WO2010086373A3 (en) | 2010-10-07 |
| WO2010086373A2 (en) | 2010-08-05 |
| EP2382625A2 (en) | 2011-11-02 |
| JP2012516462A (ja) | 2012-07-19 |
| RU2011133691A (ru) | 2013-03-10 |
| KR101316979B1 (ko) | 2013-10-11 |
| AU2010209756A1 (en) | 2011-08-25 |
| US20120022881A1 (en) | 2012-01-26 |
| ES2567129T3 (es) | 2016-04-20 |
| CN102334160B (zh) | 2014-05-07 |
| HK1163914A1 (zh) | 2012-09-14 |
| CN102334160A (zh) | 2012-01-25 |
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