HK1111801A1 - Dual-transform coding of audio signals - Google Patents
Dual-transform coding of audio signalsInfo
- Publication number
- HK1111801A1 HK1111801A1 HK08106189.0A HK08106189A HK1111801A1 HK 1111801 A1 HK1111801 A1 HK 1111801A1 HK 08106189 A HK08106189 A HK 08106189A HK 1111801 A1 HK1111801 A1 HK 1111801A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- dual
- audio signals
- transform coding
- transform
- coding
- Prior art date
Links
- 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
- 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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/550,629 US7953595B2 (en) | 2006-10-18 | 2006-10-18 | Dual-transform coding of audio signals |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1111801A1 true HK1111801A1 (en) | 2008-08-15 |
Family
ID=38830404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK08106189.0A HK1111801A1 (en) | 2006-10-18 | 2008-06-03 | Dual-transform coding of audio signals |
Country Status (6)
Country | Link |
---|---|
US (1) | US7953595B2 (xx) |
EP (1) | EP1914724B1 (xx) |
JP (1) | JP4742087B2 (xx) |
CN (1) | CN101165778B (xx) |
HK (1) | HK1111801A1 (xx) |
TW (1) | TWI347589B (xx) |
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WO2008072524A1 (ja) * | 2006-12-13 | 2008-06-19 | Panasonic Corporation | オーディオ信号符号化方法及び復号化方法 |
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US8386271B2 (en) * | 2008-03-25 | 2013-02-26 | Microsoft Corporation | Lossless and near lossless scalable audio codec |
CN102132494B (zh) * | 2008-04-16 | 2013-10-02 | 华为技术有限公司 | 通信方法和通信装置 |
EP2297729A1 (en) * | 2008-06-30 | 2011-03-23 | Nokia Corp. | An apparatus |
EP2382625B1 (en) * | 2009-01-28 | 2016-01-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder, encoded audio information, methods for encoding and decoding an audio signal and computer program |
JP5345737B2 (ja) * | 2009-10-21 | 2013-11-20 | ドルビー インターナショナル アーベー | 結合されたトランスポーザーフィルターバンクにおけるオーバーサンプリング |
US8386266B2 (en) | 2010-07-01 | 2013-02-26 | Polycom, Inc. | Full-band scalable audio codec |
CN102081926B (zh) * | 2009-11-27 | 2013-06-05 | 中兴通讯股份有限公司 | 格型矢量量化音频编解码方法和系统 |
EA024310B1 (ru) | 2009-12-07 | 2016-09-30 | Долби Лабораторис Лайсэнзин Корпорейшн | Способ декодирования цифровых потоков кодированного многоканального аудиосигнала с использованием адаптивного гибридного преобразования |
US8428959B2 (en) * | 2010-01-29 | 2013-04-23 | Polycom, Inc. | Audio packet loss concealment by transform interpolation |
CN102158692B (zh) * | 2010-02-11 | 2013-02-13 | 华为技术有限公司 | 编码方法、解码方法、编码器和解码器 |
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CN107025909B (zh) | 2011-10-21 | 2020-12-29 | 三星电子株式会社 | 能量无损编码方法和设备以及能量无损解码方法和设备 |
KR101877906B1 (ko) | 2013-01-29 | 2018-07-12 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 노이즈 채움 개념 |
EP2951820B1 (en) | 2013-01-29 | 2016-12-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for selecting one of a first audio encoding algorithm and a second audio encoding algorithm |
MX342965B (es) * | 2013-04-05 | 2016-10-19 | Dolby Laboratories Licensing Corp | Sistema y método de compansión para reducir el ruido de cuantificación usando extensión espectral avanzada. |
WO2014187988A2 (en) | 2013-05-24 | 2014-11-27 | Dolby International Ab | Audio encoder and decoder |
EP2830058A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Frequency-domain audio coding supporting transform length switching |
ES2732859T3 (es) * | 2014-05-01 | 2019-11-26 | Nippon Telegraph & Telephone | Codificador, descodificador, método de codificación, método de descodificación, programa de codificación, programa de descodificación y medio de grabación |
US11540009B2 (en) | 2016-01-06 | 2022-12-27 | Tvision Insights, Inc. | Systems and methods for assessing viewer engagement |
EP3400661A4 (en) * | 2016-01-06 | 2019-04-24 | TVision Insights, Inc. | SYSTEMS AND METHODS FOR EVALUATING A SPECTATOR COMMITMENT |
CN105957533B (zh) * | 2016-04-22 | 2020-11-10 | 杭州微纳科技股份有限公司 | 语音压缩方法、语音解压方法及音频编码器、音频解码器 |
WO2018195391A1 (en) | 2017-04-20 | 2018-10-25 | Tvision Insights, Inc. | Methods and apparatus for multi-television measurements |
CN111402907B (zh) * | 2020-03-13 | 2023-04-18 | 大连理工大学 | 一种基于g.722.1的多描述语音编码方法 |
CN114171034B (zh) * | 2021-12-02 | 2024-05-14 | 深圳市高速达科技有限公司 | 一种高清机顶盒语音数据编解码系统及方法 |
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-
2006
- 2006-10-18 US US11/550,629 patent/US7953595B2/en not_active Expired - Fee Related
-
2007
- 2007-08-29 TW TW096132103A patent/TWI347589B/zh active
- 2007-09-28 EP EP07019185A patent/EP1914724B1/en active Active
- 2007-10-16 JP JP2007269116A patent/JP4742087B2/ja not_active Expired - Fee Related
- 2007-10-18 CN CN2007101671272A patent/CN101165778B/zh active Active
-
2008
- 2008-06-03 HK HK08106189.0A patent/HK1111801A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
TW200828268A (en) | 2008-07-01 |
CN101165778A (zh) | 2008-04-23 |
US7953595B2 (en) | 2011-05-31 |
EP1914724B1 (en) | 2012-12-05 |
EP1914724A2 (en) | 2008-04-23 |
CN101165778B (zh) | 2011-10-19 |
TWI347589B (en) | 2011-08-21 |
EP1914724A3 (en) | 2011-12-07 |
JP2008102520A (ja) | 2008-05-01 |
US20080097749A1 (en) | 2008-04-24 |
JP4742087B2 (ja) | 2011-08-10 |
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Legal Events
Date | Code | Title | Description |
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PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20230928 |