CN101727906B - 高频带信号的编解码方法及装置 - Google Patents
高频带信号的编解码方法及装置 Download PDFInfo
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- CN101727906B CN101727906B CN2008101715913A CN200810171591A CN101727906B CN 101727906 B CN101727906 B CN 101727906B CN 2008101715913 A CN2008101715913 A CN 2008101715913A CN 200810171591 A CN200810171591 A CN 200810171591A CN 101727906 B CN101727906 B CN 101727906B
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- 238000000034 method Methods 0.000 title claims abstract description 47
- 238000001228 spectrum Methods 0.000 claims description 117
- 238000009499 grossing Methods 0.000 claims description 28
- 230000002123 temporal effect Effects 0.000 claims description 25
- 238000007493 shaping process Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 230000003595 spectral effect Effects 0.000 claims description 7
- 230000005236 sound signal Effects 0.000 abstract description 8
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/0204—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 subband decomposition
- G10L19/0208—Subband vocoders
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/04—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 predictive techniques
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
Abstract
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN2008101715913A CN101727906B (zh) | 2008-10-29 | 2008-10-29 | 高频带信号的编解码方法及装置 |
PCT/CN2009/073129 WO2010048827A1 (zh) | 2008-10-29 | 2009-08-06 | 高频带信号的编解码方法及装置 |
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CN2008101715913A CN101727906B (zh) | 2008-10-29 | 2008-10-29 | 高频带信号的编解码方法及装置 |
Publications (2)
Publication Number | Publication Date |
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CN101727906A CN101727906A (zh) | 2010-06-09 |
CN101727906B true CN101727906B (zh) | 2012-02-01 |
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CN2008101715913A Expired - Fee Related CN101727906B (zh) | 2008-10-29 | 2008-10-29 | 高频带信号的编解码方法及装置 |
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CN (1) | CN101727906B (zh) |
WO (1) | WO2010048827A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2656812C2 (ru) * | 2014-04-29 | 2018-06-06 | Хуавэй Текнолоджиз Ко., Лтд. | Способ и устройство обработки сигналов |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101556799B (zh) | 2009-05-14 | 2013-08-28 | 华为技术有限公司 | 一种音频解码方法和音频解码器 |
TWI496138B (zh) * | 2013-09-03 | 2015-08-11 | Helios Semiconductor Inc | 用於編解碼高頻聲音信號之技術和系統 |
CN104681032B (zh) * | 2013-11-28 | 2018-05-11 | 中国移动通信集团公司 | 一种语音通信方法和设备 |
EP3614382B1 (en) * | 2014-07-28 | 2020-10-07 | Nippon Telegraph And Telephone Corporation | Coding of a sound signal |
JP2016038435A (ja) * | 2014-08-06 | 2016-03-22 | ソニー株式会社 | 符号化装置および方法、復号装置および方法、並びにプログラム |
CN107545900B (zh) * | 2017-08-16 | 2020-12-01 | 广州广晟数码技术有限公司 | 带宽扩展编码和解码中高频弦信号生成的方法和装置 |
CN112242145A (zh) * | 2019-07-17 | 2021-01-19 | 南京人工智能高等研究院有限公司 | 语音滤波方法、装置、介质和电子设备 |
CN110556123B (zh) * | 2019-09-18 | 2024-01-19 | 腾讯科技(深圳)有限公司 | 频带扩展方法、装置、电子设备及计算机可读存储介质 |
CN113808597A (zh) * | 2020-05-30 | 2021-12-17 | 华为技术有限公司 | 一种音频编码方法和音频编码装置 |
CN115148217A (zh) * | 2022-06-15 | 2022-10-04 | 腾讯科技(深圳)有限公司 | 音频处理方法、装置、电子设备、存储介质及程序产品 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1639770A (zh) * | 2002-03-28 | 2005-07-13 | 杜比实验室特许公司 | 根据频率变换重建具有不完全频谱的音频信号的频谱 |
CN1897467A (zh) * | 2005-07-11 | 2007-01-17 | 索尼株式会社 | 信号编码、信号解码装置和方法、程序以及记录介质 |
CN1954363A (zh) * | 2004-05-19 | 2007-04-25 | 松下电器产业株式会社 | 编码装置、解码装置及它们的方法 |
CN101140759A (zh) * | 2006-09-08 | 2008-03-12 | 华为技术有限公司 | 语音或音频信号的带宽扩展方法及系统 |
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2008
- 2008-10-29 CN CN2008101715913A patent/CN101727906B/zh not_active Expired - Fee Related
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2009
- 2009-08-06 WO PCT/CN2009/073129 patent/WO2010048827A1/zh active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1639770A (zh) * | 2002-03-28 | 2005-07-13 | 杜比实验室特许公司 | 根据频率变换重建具有不完全频谱的音频信号的频谱 |
CN1954363A (zh) * | 2004-05-19 | 2007-04-25 | 松下电器产业株式会社 | 编码装置、解码装置及它们的方法 |
CN1897467A (zh) * | 2005-07-11 | 2007-01-17 | 索尼株式会社 | 信号编码、信号解码装置和方法、程序以及记录介质 |
CN101140759A (zh) * | 2006-09-08 | 2008-03-12 | 华为技术有限公司 | 语音或音频信号的带宽扩展方法及系统 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2656812C2 (ru) * | 2014-04-29 | 2018-06-06 | Хуавэй Текнолоджиз Ко., Лтд. | Способ и устройство обработки сигналов |
RU2688259C2 (ru) * | 2014-04-29 | 2019-05-21 | Хуавэй Текнолоджиз Ко., Лтд. | Способ и устройство обработки сигналов |
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Publication number | Publication date |
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WO2010048827A1 (zh) | 2010-05-06 |
CN101727906A (zh) | 2010-06-09 |
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