MX2012006823A - Mezcla descendente de parametros de corriente de bits sbr. - Google Patents
Mezcla descendente de parametros de corriente de bits sbr.Info
- Publication number
- MX2012006823A MX2012006823A MX2012006823A MX2012006823A MX2012006823A MX 2012006823 A MX2012006823 A MX 2012006823A MX 2012006823 A MX2012006823 A MX 2012006823A MX 2012006823 A MX2012006823 A MX 2012006823A MX 2012006823 A MX2012006823 A MX 2012006823A
- Authority
- MX
- Mexico
- Prior art keywords
- frequency band
- energy related
- value
- elementary
- target
- Prior art date
Links
- 238000000638 solvent extraction Methods 0.000 abstract 4
- 238000000034 method Methods 0.000 abstract 2
- 230000010076 replication Effects 0.000 abstract 1
- 230000003595 spectral effect Effects 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
-
- 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- 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
-
- 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Optical Filters (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28691209P | 2009-12-16 | 2009-12-16 | |
| PCT/EP2010/069651 WO2011073201A2 (en) | 2009-12-16 | 2010-12-14 | Sbr bitstream parameter downmix |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2012006823A true MX2012006823A (es) | 2012-07-23 |
Family
ID=43733150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2012006823A MX2012006823A (es) | 2009-12-16 | 2010-12-14 | Mezcla descendente de parametros de corriente de bits sbr. |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US9508351B2 (enExample) |
| EP (1) | EP2513899B1 (enExample) |
| JP (2) | JP5298245B2 (enExample) |
| KR (1) | KR101370870B1 (enExample) |
| CN (2) | CN102667920B (enExample) |
| AU (1) | AU2010332925B2 (enExample) |
| BR (1) | BR112012014856B1 (enExample) |
| CA (1) | CA2779388C (enExample) |
| IL (1) | IL219506A (enExample) |
| MX (1) | MX2012006823A (enExample) |
| MY (1) | MY166998A (enExample) |
| RU (1) | RU2526745C2 (enExample) |
| UA (1) | UA101291C2 (enExample) |
| WO (1) | WO2011073201A2 (enExample) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2452044C1 (ru) | 2009-04-02 | 2012-05-27 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. | Устройство, способ и носитель с программным кодом для генерирования представления сигнала с расширенным диапазоном частот на основе представления входного сигнала с использованием сочетания гармонического расширения диапазона частот и негармонического расширения диапазона частот |
| EP2239732A1 (en) | 2009-04-09 | 2010-10-13 | Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. | Apparatus and method for generating a synthesis audio signal and for encoding an audio signal |
| TWI501580B (zh) | 2009-08-07 | 2015-09-21 | Dolby Int Ab | 資料串流的鑑別 |
| TWI413110B (zh) | 2009-10-06 | 2013-10-21 | Dolby Int Ab | 以選擇性通道解碼的有效多通道信號處理 |
| US9105300B2 (en) | 2009-10-19 | 2015-08-11 | Dolby International Ab | Metadata time marking information for indicating a section of an audio object |
| ES2507165T3 (es) | 2009-10-21 | 2014-10-14 | Dolby International Ab | Sobremuestreo en un banco de filtros de reemisor combinado |
| US9047875B2 (en) * | 2010-07-19 | 2015-06-02 | Futurewei Technologies, Inc. | Spectrum flatness control for bandwidth extension |
| TWI462087B (zh) | 2010-11-12 | 2014-11-21 | Dolby Lab Licensing Corp | 複數音頻信號之降混方法、編解碼方法及混合系統 |
| CN102800317B (zh) * | 2011-05-25 | 2014-09-17 | 华为技术有限公司 | 信号分类方法及设备、编解码方法及设备 |
| US9070361B2 (en) * | 2011-06-10 | 2015-06-30 | Google Technology Holdings LLC | Method and apparatus for encoding a wideband speech signal utilizing downmixing of a highband component |
| US10178489B2 (en) * | 2013-02-08 | 2019-01-08 | Qualcomm Incorporated | Signaling audio rendering information in a bitstream |
| BR112015025080B1 (pt) | 2013-04-05 | 2021-12-21 | Dolby International Ab | Método de decodificação e decodificador para decodificar dois sinais de áudio, método de codificação e codificador para codificar dois sinais de áudio, e meio legível não transitório |
| CN105103224B (zh) | 2013-04-05 | 2019-08-02 | 杜比国际公司 | 用于交错波形编码的音频编码器和解码器 |
| US8804971B1 (en) * | 2013-04-30 | 2014-08-12 | Dolby International Ab | Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio |
| EP2830053A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal |
| EP2830063A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and computer program for decoding an encoded audio signal |
| EP2830052A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder, audio encoder, method for providing at least four audio channel signals on the basis of an encoded representation, method for providing an encoded representation on the basis of at least four audio channel signals and computer program using a bandwidth extension |
| TWI557726B (zh) * | 2013-08-29 | 2016-11-11 | 杜比國際公司 | 用於決定音頻信號的高頻帶信號的主比例因子頻帶表之系統和方法 |
| KR102713162B1 (ko) | 2013-09-12 | 2024-10-07 | 돌비 인터네셔널 에이비 | Qmf 기반 처리 데이터의 시간 정렬 |
| JP6863359B2 (ja) * | 2014-03-24 | 2021-04-21 | ソニーグループ株式会社 | 復号装置および方法、並びにプログラム |
| US10839824B2 (en) | 2014-03-27 | 2020-11-17 | Pioneer Corporation | Audio device, missing band estimation device, signal processing method, and frequency band estimation device |
| US12469506B2 (en) * | 2023-06-13 | 2025-11-11 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for audio decoding supporting two spectral band replication modes |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE512719C2 (sv) * | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
| DE10328777A1 (de) * | 2003-06-25 | 2005-01-27 | Coding Technologies Ab | Vorrichtung und Verfahren zum Codieren eines Audiosignals und Vorrichtung und Verfahren zum Decodieren eines codierten Audiosignals |
| KR101217649B1 (ko) * | 2003-10-30 | 2013-01-02 | 돌비 인터네셔널 에이비 | 오디오 신호 인코딩 또는 디코딩 |
| BRPI0508343B1 (pt) * | 2004-03-01 | 2018-11-06 | Dolby Laboratories Licensing Corp | método para decodificar m canais de áudio codificados representando n canais de áudio e método para codificar n canais de áudio de entrada em m canais de áudio codificados. |
| ATE378677T1 (de) | 2004-03-12 | 2007-11-15 | Nokia Corp | Synthese eines mono-audiosignals aus einem mehrkanal-audiosignal |
| SE0402652D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Methods for improved performance of prediction based multi- channel reconstruction |
| KR100818268B1 (ko) * | 2005-04-14 | 2008-04-02 | 삼성전자주식회사 | 오디오 데이터 부호화 및 복호화 장치와 방법 |
| JP5097702B2 (ja) * | 2005-07-14 | 2012-12-12 | 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 | オーディオエンコード及びデコード |
| JP4728398B2 (ja) * | 2005-09-14 | 2011-07-20 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号のデコーディング方法及び装置 |
| US20080221907A1 (en) * | 2005-09-14 | 2008-09-11 | Lg Electronics, Inc. | Method and Apparatus for Decoding an Audio Signal |
| JP5507844B2 (ja) * | 2005-10-20 | 2014-05-28 | エルジー エレクトロニクス インコーポレイティド | マルチチャンネルオーディオ信号の符号化及び復号化方法とその装置 |
| CN101292284B (zh) * | 2005-10-20 | 2012-10-10 | Lg电子株式会社 | 编码解码多声道音频信号的方法及其装置 |
| MX2008012217A (es) * | 2006-03-29 | 2008-11-12 | Koninkl Philips Electronics Nv | Decodificacion de audio. |
| EP1853092B1 (en) * | 2006-05-04 | 2011-10-05 | LG Electronics, Inc. | Enhancing stereo audio with remix capability |
| DE102006049154B4 (de) * | 2006-10-18 | 2009-07-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Kodierung eines Informationssignals |
| WO2009049896A1 (en) * | 2007-10-17 | 2009-04-23 | Fraunhofer-Fesellschaft Zur Förderung Der Angewandten Forschung E.V. | Audio coding using upmix |
| EP2077550B8 (en) * | 2008-01-04 | 2012-03-14 | Dolby International AB | Audio encoder and decoder |
| KR101413968B1 (ko) | 2008-01-29 | 2014-07-01 | 삼성전자주식회사 | 오디오 신호의 부호화, 복호화 방법 및 장치 |
| US8116486B2 (en) * | 2008-03-04 | 2012-02-14 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Mixing of input data streams and generation of an output data stream therefrom |
| WO2017018841A1 (ko) | 2015-07-28 | 2017-02-02 | 주식회사 엘지화학 | 가소제 조성물, 수지 조성물 및 이들의 제조 방법 |
-
2010
- 2010-12-14 WO PCT/EP2010/069651 patent/WO2011073201A2/en not_active Ceased
- 2010-12-14 CN CN201080053083.0A patent/CN102667920B/zh active Active
- 2010-12-14 JP JP2012540463A patent/JP5298245B2/ja active Active
- 2010-12-14 US US13/509,396 patent/US9508351B2/en active Active
- 2010-12-14 MX MX2012006823A patent/MX2012006823A/es active IP Right Grant
- 2010-12-14 CA CA2779388A patent/CA2779388C/en active Active
- 2010-12-14 KR KR1020127014575A patent/KR101370870B1/ko active Active
- 2010-12-14 RU RU2012124827/08A patent/RU2526745C2/ru active
- 2010-12-14 BR BR112012014856-7A patent/BR112012014856B1/pt active IP Right Grant
- 2010-12-14 UA UAA201207272A patent/UA101291C2/ru unknown
- 2010-12-14 EP EP10798039.3A patent/EP2513899B1/en active Active
- 2010-12-14 MY MYPI2012001932A patent/MY166998A/en unknown
- 2010-12-14 AU AU2010332925A patent/AU2010332925B2/en active Active
- 2010-12-14 CN CN201410084189.7A patent/CN103854651B/zh active Active
-
2012
- 2012-05-01 IL IL219506A patent/IL219506A/en active IP Right Grant
-
2013
- 2013-06-17 JP JP2013126293A patent/JP5539573B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011073201A3 (en) | 2011-10-06 |
| UA101291C2 (ru) | 2013-03-11 |
| AU2010332925A1 (en) | 2012-05-31 |
| IL219506A (en) | 2014-09-30 |
| JP5298245B2 (ja) | 2013-09-25 |
| CN103854651B (zh) | 2017-04-12 |
| JP2013511752A (ja) | 2013-04-04 |
| RU2526745C2 (ru) | 2014-08-27 |
| KR101370870B1 (ko) | 2014-03-07 |
| BR112012014856B1 (pt) | 2022-10-18 |
| AU2010332925B2 (en) | 2013-07-11 |
| CN103854651A (zh) | 2014-06-11 |
| RU2012124827A (ru) | 2014-01-27 |
| BR112012014856A2 (enExample) | 2021-11-03 |
| WO2011073201A2 (en) | 2011-06-23 |
| CN102667920A (zh) | 2012-09-12 |
| JP5539573B2 (ja) | 2014-07-02 |
| JP2013210674A (ja) | 2013-10-10 |
| CA2779388C (en) | 2015-11-10 |
| EP2513899B1 (en) | 2018-02-14 |
| KR20120089333A (ko) | 2012-08-09 |
| IL219506A0 (en) | 2012-06-28 |
| US9508351B2 (en) | 2016-11-29 |
| CA2779388A1 (en) | 2011-06-23 |
| US20120275607A1 (en) | 2012-11-01 |
| EP2513899A2 (en) | 2012-10-24 |
| CN102667920B (zh) | 2014-03-12 |
| MY166998A (en) | 2018-07-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Grant or registration |