CN103854651B - Sbr比特流参数缩混 - Google Patents
Sbr比特流参数缩混 Download PDFInfo
- Publication number
- CN103854651B CN103854651B CN201410084189.7A CN201410084189A CN103854651B CN 103854651 B CN103854651 B CN 103854651B CN 201410084189 A CN201410084189 A CN 201410084189A CN 103854651 B CN103854651 B CN 103854651B
- Authority
- CN
- China
- Prior art keywords
- source
- sbr
- frequency
- envelope
- initial
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 claims abstract description 101
- 230000005236 sound signal Effects 0.000 claims description 61
- 230000002776 aggregation Effects 0.000 claims description 13
- 238000004220 aggregation Methods 0.000 claims description 13
- 230000003993 interaction Effects 0.000 claims description 3
- 241000208340 Araliaceae Species 0.000 claims description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 2
- 235000008434 ginseng Nutrition 0.000 claims description 2
- 230000003595 spectral effect Effects 0.000 abstract description 8
- 230000010076 replication Effects 0.000 abstract description 7
- 238000000638 solvent extraction Methods 0.000 abstract 4
- 238000001228 spectrum Methods 0.000 description 47
- 230000008569 process Effects 0.000 description 25
- 230000001052 transient effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 238000002156 mixing Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 238000004422 calculation algorithm Methods 0.000 description 3
- 238000010606 normalization Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000002372 labelling Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 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
- G10L19/008—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
- 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
-
- 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)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (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 (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28691209P | 2009-12-16 | 2009-12-16 | |
| US61/286,912 | 2009-12-16 | ||
| CN201080053083.0A CN102667920B (zh) | 2009-12-16 | 2010-12-14 | Sbr比特流参数缩混 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080053083.0A Division CN102667920B (zh) | 2009-12-16 | 2010-12-14 | Sbr比特流参数缩混 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103854651A CN103854651A (zh) | 2014-06-11 |
| CN103854651B true CN103854651B (zh) | 2017-04-12 |
Family
ID=43733150
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410084189.7A Active CN103854651B (zh) | 2009-12-16 | 2010-12-14 | Sbr比特流参数缩混 |
| CN201080053083.0A Active CN102667920B (zh) | 2009-12-16 | 2010-12-14 | Sbr比特流参数缩混 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080053083.0A Active CN102667920B (zh) | 2009-12-16 | 2010-12-14 | Sbr比特流参数缩混 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US9508351B2 (https=) |
| EP (1) | EP2513899B1 (https=) |
| JP (2) | JP5298245B2 (https=) |
| KR (1) | KR101370870B1 (https=) |
| CN (2) | CN103854651B (https=) |
| AU (1) | AU2010332925B2 (https=) |
| BR (1) | BR112012014856B1 (https=) |
| CA (1) | CA2779388C (https=) |
| IL (1) | IL219506A (https=) |
| MX (1) | MX2012006823A (https=) |
| MY (1) | MY166998A (https=) |
| RU (1) | RU2526745C2 (https=) |
| UA (1) | UA101291C2 (https=) |
| WO (1) | WO2011073201A2 (https=) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| AR077680A1 (es) | 2009-08-07 | 2011-09-14 | Dolby Int Ab | Autenticacion de flujos de datos |
| 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 |
| JP5771618B2 (ja) | 2009-10-19 | 2015-09-02 | ドルビー・インターナショナル・アーベー | 音声オブジェクトの区分を示すメタデータ時間標識情報 |
| ES3051141T3 (en) | 2009-10-21 | 2025-12-26 | Dolby Int Ab | Oversampling in a combined transposer filter bank |
| 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 |
| KR102450178B1 (ko) | 2013-04-05 | 2022-10-06 | 돌비 인터네셔널 에이비 | 인터리브된 파형 코딩을 위한 오디오 인코더 및 디코더 |
| EP2981960B1 (en) | 2013-04-05 | 2019-03-13 | Dolby International AB | Stereo audio encoder and decoder |
| US8804971B1 (en) * | 2013-04-30 | 2014-08-12 | Dolby International Ab | Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio |
| EP2830051A3 (en) | 2013-07-22 | 2015-03-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals |
| EP2830054A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework |
| 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 |
| 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 |
| CN111292757B (zh) | 2013-09-12 | 2024-05-24 | 杜比国际公司 | 基于qmf的处理数据的时间对齐 |
| 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 |
| JP6371376B2 (ja) * | 2014-03-27 | 2018-08-08 | パイオニア株式会社 | 音響装置及び信号処理方法 |
| 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 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1272259A (zh) * | 1997-06-10 | 2000-11-01 | 拉斯·古斯塔夫·里杰利德 | 采用频带复现增强源编码 |
| CN1878001A (zh) * | 2005-04-14 | 2006-12-13 | 三星电子株式会社 | 对音频数据编码及解码的设备及方法 |
| CN1926610A (zh) * | 2004-03-12 | 2007-03-07 | 诺基亚公司 | 基于编码的多声道音频信号合成单声道音频信号 |
| KR20070043651A (ko) * | 2005-10-20 | 2007-04-25 | 엘지전자 주식회사 | 멀티채널 오디오 신호의 부호화 및 복호화 방법과 그 장치 |
| CN1969317A (zh) * | 2004-11-02 | 2007-05-23 | 编码技术股份公司 | 基于多个参数化的多声道重构 |
| CN101292285A (zh) * | 2005-10-20 | 2008-10-22 | Lg电子株式会社 | 编码和解码多声道音频信号的方法及其装置 |
| CN101484936A (zh) * | 2006-03-29 | 2009-07-15 | 皇家飞利浦电子股份有限公司 | 音频解码 |
| CN101540171A (zh) * | 2003-10-30 | 2009-09-23 | 皇家飞利浦电子股份有限公司 | 音频信号编码或解码 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| ATE390683T1 (de) * | 2004-03-01 | 2008-04-15 | Dolby Lab Licensing Corp | Mehrkanalige audiocodierung |
| 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 |
| US20080221907A1 (en) * | 2005-09-14 | 2008-09-11 | Lg Electronics, Inc. | Method and Apparatus for Decoding an Audio Signal |
| BRPI0616057A2 (pt) * | 2005-09-14 | 2011-06-07 | Lg Electronics Inc | método e aparelho para decodificar um sinal de aúdio |
| ATE527833T1 (de) * | 2006-05-04 | 2011-10-15 | Lg Electronics Inc | Verbesserung von stereo-audiosignalen mittels neuabmischung |
| DE102006049154B4 (de) | 2006-10-18 | 2009-07-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Kodierung eines Informationssignals |
| JP5883561B2 (ja) | 2007-10-17 | 2016-03-15 | 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 | アップミックスを使用した音声符号器 |
| ATE518224T1 (de) * | 2008-01-04 | 2011-08-15 | Dolby Int Ab | Audiokodierer und -dekodierer |
| KR101413968B1 (ko) | 2008-01-29 | 2014-07-01 | 삼성전자주식회사 | 오디오 신호의 부호화, 복호화 방법 및 장치 |
| RU2562395C2 (ru) | 2008-03-04 | 2015-09-10 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. | Микширование входящих информационных потоков |
| KR20170013846A (ko) | 2015-07-28 | 2017-02-07 | 주식회사 엘지화학 | 가소제 조성물, 수지 조성물 및 이들의 제조 방법 |
-
2010
- 2010-12-14 MX MX2012006823A patent/MX2012006823A/es active IP Right Grant
- 2010-12-14 WO PCT/EP2010/069651 patent/WO2011073201A2/en not_active Ceased
- 2010-12-14 EP EP10798039.3A patent/EP2513899B1/en active Active
- 2010-12-14 CN CN201410084189.7A patent/CN103854651B/zh active Active
- 2010-12-14 AU AU2010332925A patent/AU2010332925B2/en active Active
- 2010-12-14 MY MYPI2012001932A patent/MY166998A/en unknown
- 2010-12-14 RU RU2012124827/08A patent/RU2526745C2/ru active
- 2010-12-14 KR KR1020127014575A patent/KR101370870B1/ko active Active
- 2010-12-14 US US13/509,396 patent/US9508351B2/en active Active
- 2010-12-14 BR BR112012014856-7A patent/BR112012014856B1/pt active IP Right Grant
- 2010-12-14 CA CA2779388A patent/CA2779388C/en active Active
- 2010-12-14 JP JP2012540463A patent/JP5298245B2/ja active Active
- 2010-12-14 UA UAA201207272A patent/UA101291C2/ru unknown
- 2010-12-14 CN CN201080053083.0A patent/CN102667920B/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
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1272259A (zh) * | 1997-06-10 | 2000-11-01 | 拉斯·古斯塔夫·里杰利德 | 采用频带复现增强源编码 |
| CN101540171A (zh) * | 2003-10-30 | 2009-09-23 | 皇家飞利浦电子股份有限公司 | 音频信号编码或解码 |
| CN1926610A (zh) * | 2004-03-12 | 2007-03-07 | 诺基亚公司 | 基于编码的多声道音频信号合成单声道音频信号 |
| CN1969317A (zh) * | 2004-11-02 | 2007-05-23 | 编码技术股份公司 | 基于多个参数化的多声道重构 |
| CN1878001A (zh) * | 2005-04-14 | 2006-12-13 | 三星电子株式会社 | 对音频数据编码及解码的设备及方法 |
| KR20070043651A (ko) * | 2005-10-20 | 2007-04-25 | 엘지전자 주식회사 | 멀티채널 오디오 신호의 부호화 및 복호화 방법과 그 장치 |
| CN101292285A (zh) * | 2005-10-20 | 2008-10-22 | Lg电子株式会社 | 编码和解码多声道音频信号的方法及其装置 |
| CN101484936A (zh) * | 2006-03-29 | 2009-07-15 | 皇家飞利浦电子股份有限公司 | 音频解码 |
Non-Patent Citations (1)
| Title |
|---|
| "基于SH-Mobile的HE-AAC v2解码设计与实现";陈茜;《中国优秀硕士学位论文全文数据库信息科技辑》;20080915(第09期);第3.1.4小节 * |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20120089333A (ko) | 2012-08-09 |
| WO2011073201A3 (en) | 2011-10-06 |
| JP2013210674A (ja) | 2013-10-10 |
| IL219506A (en) | 2014-09-30 |
| CA2779388C (en) | 2015-11-10 |
| CN102667920B (zh) | 2014-03-12 |
| RU2012124827A (ru) | 2014-01-27 |
| BR112012014856A2 (https=) | 2021-11-03 |
| CN103854651A (zh) | 2014-06-11 |
| KR101370870B1 (ko) | 2014-03-07 |
| US9508351B2 (en) | 2016-11-29 |
| RU2526745C2 (ru) | 2014-08-27 |
| BR112012014856B1 (pt) | 2022-10-18 |
| MX2012006823A (es) | 2012-07-23 |
| AU2010332925B2 (en) | 2013-07-11 |
| EP2513899B1 (en) | 2018-02-14 |
| JP5539573B2 (ja) | 2014-07-02 |
| US20120275607A1 (en) | 2012-11-01 |
| UA101291C2 (ru) | 2013-03-11 |
| CA2779388A1 (en) | 2011-06-23 |
| AU2010332925A1 (en) | 2012-05-31 |
| JP2013511752A (ja) | 2013-04-04 |
| MY166998A (en) | 2018-07-27 |
| EP2513899A2 (en) | 2012-10-24 |
| IL219506A0 (en) | 2012-06-28 |
| JP5298245B2 (ja) | 2013-09-25 |
| CN102667920A (zh) | 2012-09-12 |
| WO2011073201A2 (en) | 2011-06-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103854651B (zh) | Sbr比特流参数缩混 | |
| US10381018B2 (en) | Signal processing apparatus and signal processing method, encoder and encoding method, decoder and decoding method, and program | |
| US9659573B2 (en) | Signal processing apparatus and signal processing method, encoder and encoding method, decoder and decoding method, and program | |
| US9583112B2 (en) | Signal processing apparatus and signal processing method, encoder and encoding method, decoder and decoding method, and program | |
| JP3579047B2 (ja) | オーディオ復号装置と復号方法およびプログラム | |
| CN101568959B (zh) | 用带宽扩展进行编码和/或解码的方法 | |
| TW201140563A (en) | Determining an upperband signal from a narrowband signal | |
| KR20120082414A (ko) | 주파수 대역 확대 장치 및 방법, 부호화 장치 및 방법, 복호 장치 및 방법, 및 프로그램 | |
| JP2012198555A (ja) | オーディオ信号の重要周波数成分の抽出方法及びその装置、及びこれを利用した低ビット率オーディオ信号の符号化及び／または復号化方法及びその装置 | |
| KR20110095354A (ko) | 오디오 인코더 및 대역폭 확장 디코더 | |
| AU2013242852B2 (en) | Sbr bitstream parameter downmix | |
| HK1170332B (en) | Sbr bitstream parameter downmix | |
| HK1170332A (en) | Sbr bitstream parameter downmix |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |