CN1905373A - 一种音频编解码器的实现方法 - Google Patents
一种音频编解码器的实现方法 Download PDFInfo
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- CN1905373A CN1905373A CNA2005100283020A CN200510028302A CN1905373A CN 1905373 A CN1905373 A CN 1905373A CN A2005100283020 A CNA2005100283020 A CN A2005100283020A CN 200510028302 A CN200510028302 A CN 200510028302A CN 1905373 A CN1905373 A CN 1905373A
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- 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
- G10L19/032—Quantisation or dequantisation of spectral components
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- 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
- G10L19/002—Dynamic bit allocation
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Abstract
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Application Number | Priority Date | Filing Date | Title |
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CNB2005100283020A CN100539437C (zh) | 2005-07-29 | 2005-07-29 | 一种音频编解码器的实现方法 |
US11/458,143 US20070027677A1 (en) | 2005-07-29 | 2006-07-18 | Method of implementation of audio codec |
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CNB2005100283020A CN100539437C (zh) | 2005-07-29 | 2005-07-29 | 一种音频编解码器的实现方法 |
Publications (2)
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CN1905373A true CN1905373A (zh) | 2007-01-31 |
CN100539437C CN100539437C (zh) | 2009-09-09 |
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CNB2005100283020A Expired - Fee Related CN100539437C (zh) | 2005-07-29 | 2005-07-29 | 一种音频编解码器的实现方法 |
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CN (1) | CN100539437C (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102341846A (zh) * | 2009-03-04 | 2012-02-01 | 韩国科亚电子股份有限公司 | 用于音频编码的量化 |
CN101689369B (zh) * | 2007-04-12 | 2013-03-06 | 三星电子株式会社 | 用于编码和解码分音的幅度的方法和装置 |
CN105518776A (zh) * | 2013-07-22 | 2016-04-20 | 弗劳恩霍夫应用研究促进协会 | 用于使用重构频带的能量信息值对音频信号进行解码或编码的设备及方法 |
CN111081263A (zh) * | 2019-12-31 | 2020-04-28 | 北京百瑞互联技术有限公司 | 一种优化音频编解码器存储空间的方法及*** |
WO2022267754A1 (zh) * | 2021-06-22 | 2022-12-29 | 腾讯科技(深圳)有限公司 | 语音编码、语音解码方法、装置、计算机设备和存储介质 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6882685B2 (en) * | 2001-09-18 | 2005-04-19 | Microsoft Corporation | Block transform and quantization for image and video coding |
US7487193B2 (en) * | 2004-05-14 | 2009-02-03 | Microsoft Corporation | Fast video codec transform implementations |
US7689052B2 (en) * | 2005-10-07 | 2010-03-30 | Microsoft Corporation | Multimedia signal processing using fixed-point approximations of linear transforms |
US8942289B2 (en) * | 2007-02-21 | 2015-01-27 | Microsoft Corporation | Computational complexity and precision control in transform-based digital media codec |
WO2010053287A2 (en) * | 2008-11-04 | 2010-05-14 | Lg Electronics Inc. | An apparatus for processing an audio signal and method thereof |
CN102419978B (zh) * | 2011-08-23 | 2013-03-27 | 展讯通信(上海)有限公司 | 音频解码器、音频解码的频谱重构方法及装置 |
US20150025894A1 (en) * | 2013-07-16 | 2015-01-22 | Electronics And Telecommunications Research Institute | Method for encoding and decoding of multi channel audio signal, encoder and decoder |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5768629A (en) * | 1993-06-24 | 1998-06-16 | Discovision Associates | Token-based adaptive video processing arrangement |
US5664057A (en) * | 1993-07-07 | 1997-09-02 | Picturetel Corporation | Fixed bit rate speech encoder/decoder |
JP3900000B2 (ja) * | 2002-05-07 | 2007-03-28 | ソニー株式会社 | 符号化方法及び装置、復号方法及び装置、並びにプログラム |
JP4212591B2 (ja) * | 2003-06-30 | 2009-01-21 | 富士通株式会社 | オーディオ符号化装置 |
US7492889B2 (en) * | 2004-04-23 | 2009-02-17 | Acoustic Technologies, Inc. | Noise suppression based on bark band wiener filtering and modified doblinger noise estimate |
US7548853B2 (en) * | 2005-06-17 | 2009-06-16 | Shmunk Dmitry V | Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding |
-
2005
- 2005-07-29 CN CNB2005100283020A patent/CN100539437C/zh not_active Expired - Fee Related
-
2006
- 2006-07-18 US US11/458,143 patent/US20070027677A1/en not_active Abandoned
Cited By (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101689369B (zh) * | 2007-04-12 | 2013-03-06 | 三星电子株式会社 | 用于编码和解码分音的幅度的方法和装置 |
CN102341846A (zh) * | 2009-03-04 | 2012-02-01 | 韩国科亚电子股份有限公司 | 用于音频编码的量化 |
CN102341846B (zh) * | 2009-03-04 | 2013-09-25 | 韩国科亚电子股份有限公司 | 用于音频编码器的量化方法和装置 |
US10593345B2 (en) | 2013-07-22 | 2020-03-17 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus for decoding an encoded audio signal with frequency tile adaption |
US10847167B2 (en) | 2013-07-22 | 2020-11-24 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework |
US10276183B2 (en) | 2013-07-22 | 2019-04-30 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band |
US10311892B2 (en) | 2013-07-22 | 2019-06-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for encoding or decoding audio signal with intelligent gap filling in the spectral domain |
CN105518776B (zh) * | 2013-07-22 | 2019-06-14 | 弗劳恩霍夫应用研究促进协会 | 用重构频带能量信息值解码或编码音频信号的设备及方法 |
US10332531B2 (en) | 2013-07-22 | 2019-06-25 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band |
US10332539B2 (en) | 2013-07-22 | 2019-06-25 | Fraunhofer-Gesellscheaft zur Foerderung der angewanften Forschung e.V. | Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping |
US10347274B2 (en) | 2013-07-22 | 2019-07-09 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping |
US10515652B2 (en) | 2013-07-22 | 2019-12-24 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for decoding an encoded audio signal using a cross-over filter around a transition frequency |
CN105518777B (zh) * | 2013-07-22 | 2020-01-31 | 弗劳恩霍夫应用研究促进协会 | 用频谱域智能间隙填充编码或解码音频信号的设备及方法 |
US10573334B2 (en) | 2013-07-22 | 2020-02-25 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain |
CN105518776A (zh) * | 2013-07-22 | 2016-04-20 | 弗劳恩霍夫应用研究促进协会 | 用于使用重构频带的能量信息值对音频信号进行解码或编码的设备及方法 |
US11996106B2 (en) | 2013-07-22 | 2024-05-28 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E. V. | Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping |
CN105518777A (zh) * | 2013-07-22 | 2016-04-20 | 弗劳恩霍夫应用研究促进协会 | 在频谱域中使用智能间隙填充对音频信号进行编码或解码的设备及方法 |
US10984805B2 (en) | 2013-07-22 | 2021-04-20 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection |
US11049506B2 (en) | 2013-07-22 | 2021-06-29 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping |
US11222643B2 (en) | 2013-07-22 | 2022-01-11 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus for decoding an encoded audio signal with frequency tile adaption |
US11250862B2 (en) | 2013-07-22 | 2022-02-15 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band |
US11257505B2 (en) | 2013-07-22 | 2022-02-22 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework |
US11289104B2 (en) | 2013-07-22 | 2022-03-29 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain |
US11922956B2 (en) | 2013-07-22 | 2024-03-05 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain |
US11769512B2 (en) | 2013-07-22 | 2023-09-26 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection |
US11735192B2 (en) | 2013-07-22 | 2023-08-22 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework |
US11769513B2 (en) | 2013-07-22 | 2023-09-26 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band |
CN111081263B (zh) * | 2019-12-31 | 2022-04-15 | 北京百瑞互联技术有限公司 | 一种优化音频编解码器存储空间的方法及*** |
CN111081263A (zh) * | 2019-12-31 | 2020-04-28 | 北京百瑞互联技术有限公司 | 一种优化音频编解码器存储空间的方法及*** |
WO2022267754A1 (zh) * | 2021-06-22 | 2022-12-29 | 腾讯科技(深圳)有限公司 | 语音编码、语音解码方法、装置、计算机设备和存储介质 |
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US20070027677A1 (en) | 2007-02-01 |
CN100539437C (zh) | 2009-09-09 |
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