CN101325060A - 频谱域中利用自适应切换的时间分辨率对音频信号编解码的方法和设备 - Google Patents
频谱域中利用自适应切换的时间分辨率对音频信号编解码的方法和设备 Download PDFInfo
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- 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
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- 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
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- 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
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Application Number | Priority Date | Filing Date | Title |
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EP07110289.1 | 2007-06-14 | ||
EP07110289A EP2015293A1 (en) | 2007-06-14 | 2007-06-14 | Method and apparatus for encoding and decoding an audio signal using adaptively switched temporal resolution in the spectral domain |
Publications (2)
Publication Number | Publication Date |
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CN101325060A true CN101325060A (zh) | 2008-12-17 |
CN101325060B CN101325060B (zh) | 2012-10-31 |
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CN2008101113001A Expired - Fee Related CN101325060B (zh) | 2007-06-14 | 2008-06-13 | 频谱域中利用自适应切换的时间分辨率对音频信号编解码的方法和设备 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8095359B2 (zh) |
EP (2) | EP2015293A1 (zh) |
JP (1) | JP5627843B2 (zh) |
KR (1) | KR101445396B1 (zh) |
CN (1) | CN101325060B (zh) |
Cited By (10)
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WO2010108315A1 (zh) * | 2009-03-24 | 2010-09-30 | 华为技术有限公司 | 信号延时切换的方法和装置 |
CN101527139B (zh) * | 2009-02-16 | 2012-03-28 | 成都九洲电子信息系统股份有限公司 | 一种音频编码解码方法及其装置 |
CN102884572A (zh) * | 2010-03-10 | 2013-01-16 | 弗兰霍菲尔运输应用研究公司 | 音频信号解码器、音频信号编码器、用以将音频信号解码的方法、用以将音频信号编码的方法、及使用编码上下文的音高相依适应技术的计算机程序 |
CN102934161A (zh) * | 2010-06-14 | 2013-02-13 | 松下电器产业株式会社 | 音频混合编码装置以及音频混合解码装置 |
CN103229235A (zh) * | 2010-11-24 | 2013-07-31 | Lg电子株式会社 | 语音信号编码方法和语音信号解码方法 |
CN104538038A (zh) * | 2014-12-11 | 2015-04-22 | 清华大学 | 具有鲁棒性的音频水印嵌入和提取方法及装置 |
CN105190748A (zh) * | 2013-01-29 | 2015-12-23 | 弗劳恩霍夫应用研究促进协会 | 在摩擦音或破擦音的起始段或终止段的时间的接近处使用提高的时间分辨率的音频编码器、音频解码器、系统、方法及计算机程序 |
CN105280190A (zh) * | 2015-09-16 | 2016-01-27 | 深圳广晟信源技术有限公司 | 带宽扩展编码和解码方法以及装置 |
CN106575509A (zh) * | 2014-07-28 | 2017-04-19 | 弗劳恩霍夫应用研究促进协会 | 谐波滤波器工具的谐度依赖控制 |
CN107592938A (zh) * | 2015-03-09 | 2018-01-16 | 弗劳恩霍夫应用研究促进协会 | 用于对编码音频信号进行解码的解码器和用于对音频信号进行编码的编码器 |
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FR2894759A1 (fr) * | 2005-12-12 | 2007-06-15 | Nextamp Sa | Procede et dispositif de tatouage sur flux |
ES2748843T3 (es) * | 2007-08-27 | 2020-03-18 | Ericsson Telefon Ab L M | Análisis/síntesis espectral de baja complejidad utilizando resolución temporal seleccionable |
WO2010003479A1 (en) | 2008-07-11 | 2010-01-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and audio decoder |
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US20110087494A1 (en) * | 2009-10-09 | 2011-04-14 | Samsung Electronics Co., Ltd. | Apparatus and method of encoding audio signal by switching frequency domain transformation scheme and time domain transformation scheme |
EP3998606B8 (en) | 2009-10-21 | 2022-12-07 | Dolby International AB | Oversampling in a combined transposer filter bank |
JP5560346B2 (ja) * | 2009-11-12 | 2014-07-23 | ポール リード スミス ギターズ、リミテッド パートナーシップ | デジタル信号処理のための方法、コンピュータ可読ストレージ媒体および信号処理システム |
JP5706910B2 (ja) * | 2009-11-12 | 2015-04-22 | ポール リード スミス ギターズ、リミテッド パートナーシップ | デジタル信号処理のための方法、コンピュータ可読ストレージ媒体および信号処理システム |
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 |
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Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101527139B (zh) * | 2009-02-16 | 2012-03-28 | 成都九洲电子信息系统股份有限公司 | 一种音频编码解码方法及其装置 |
WO2010108315A1 (zh) * | 2009-03-24 | 2010-09-30 | 华为技术有限公司 | 信号延时切换的方法和装置 |
CN102265338A (zh) * | 2009-03-24 | 2011-11-30 | 华为技术有限公司 | 信号延时切换的方法和装置 |
CN102884572A (zh) * | 2010-03-10 | 2013-01-16 | 弗兰霍菲尔运输应用研究公司 | 音频信号解码器、音频信号编码器、用以将音频信号解码的方法、用以将音频信号编码的方法、及使用编码上下文的音高相依适应技术的计算机程序 |
US9524726B2 (en) | 2010-03-10 | 2016-12-20 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio signal decoder, audio signal encoder, method for decoding an audio signal, method for encoding an audio signal and computer program using a pitch-dependent adaptation of a coding context |
CN102884572B (zh) * | 2010-03-10 | 2015-06-17 | 弗兰霍菲尔运输应用研究公司 | 音频信号解码器、音频信号编码器、用以将音频信号解码的方法、及用以将音频信号编码的方法 |
US9129597B2 (en) | 2010-03-10 | 2015-09-08 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E. V. | Audio signal decoder, audio signal encoder, methods and computer program using a sampling rate dependent time-warp contour encoding |
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KR20080110542A (ko) | 2008-12-18 |
EP2003643B1 (en) | 2014-02-12 |
EP2015293A1 (en) | 2009-01-14 |
KR101445396B1 (ko) | 2014-09-26 |
JP2008310327A (ja) | 2008-12-25 |
JP5627843B2 (ja) | 2014-11-19 |
EP2003643A1 (en) | 2008-12-17 |
US20090012797A1 (en) | 2009-01-08 |
CN101325060B (zh) | 2012-10-31 |
US8095359B2 (en) | 2012-01-10 |
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