CN104040623A - 用于利用自适应低频补偿编码音频数据的方法和系统 - Google Patents
用于利用自适应低频补偿编码音频数据的方法和系统 Download PDFInfo
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- CN104040623A CN104040623A CN201280066477.9A CN201280066477A CN104040623A CN 104040623 A CN104040623 A CN 104040623A CN 201280066477 A CN201280066477 A CN 201280066477A CN 104040623 A CN104040623 A CN 104040623A
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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
- G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
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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
- G10L19/04—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
- G10L19/26—Pre-filtering or post-filtering
- G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
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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
- G10L19/0204—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
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- Spectroscopy & Molecular Physics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
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Abstract
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Claims (44)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261584478P | 2012-01-09 | 2012-01-09 | |
US61/584,478 | 2012-01-09 | ||
US13/588,890 | 2012-08-17 | ||
US13/588,890 US8527264B2 (en) | 2012-01-09 | 2012-08-17 | Method and system for encoding audio data with adaptive low frequency compensation |
PCT/US2012/057132 WO2013106098A1 (en) | 2012-01-09 | 2012-09-25 | Method and system for encoding audio data with adaptive low frequency compensation |
Publications (2)
Publication Number | Publication Date |
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CN104040623A true CN104040623A (zh) | 2014-09-10 |
CN104040623B CN104040623B (zh) | 2016-11-30 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109863556A (zh) * | 2016-08-23 | 2019-06-07 | 弗劳恩霍夫应用研究促进协会 | 用于使用补偿值来对音频信号进行编码的装置和方法 |
CN110728970A (zh) * | 2019-09-29 | 2020-01-24 | 华声设计研究院(深圳)有限公司 | 一种数字辅助隔音处理的方法及装置 |
CN112542160A (zh) * | 2019-09-05 | 2021-03-23 | 刘秀敏 | 声学模型的建模单元的编码方法、声学模型的训练方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050010409A1 (en) * | 2001-11-19 | 2005-01-13 | Hull Jonathan J. | Printable representations for time-based media |
CN1672418A (zh) * | 2000-08-16 | 2005-09-21 | 多尔拜实验特许公司 | 响应补克信息修改音频或视频感知编码系统的一个或多个参数 |
WO2009142466A2 (ko) * | 2008-05-23 | 2009-11-26 | 엘지전자(주) | 오디오 신호 처리 방법 및 장치 |
CN101826071A (zh) * | 2004-02-19 | 2010-09-08 | 杜比实验室特许公司 | 用于信号分析和合成的自适应混合变换 |
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1672418A (zh) * | 2000-08-16 | 2005-09-21 | 多尔拜实验特许公司 | 响应补克信息修改音频或视频感知编码系统的一个或多个参数 |
US20050010409A1 (en) * | 2001-11-19 | 2005-01-13 | Hull Jonathan J. | Printable representations for time-based media |
CN101826071A (zh) * | 2004-02-19 | 2010-09-08 | 杜比实验室特许公司 | 用于信号分析和合成的自适应混合变换 |
WO2009142466A2 (ko) * | 2008-05-23 | 2009-11-26 | 엘지전자(주) | 오디오 신호 처리 방법 및 장치 |
US20110075855A1 (en) * | 2008-05-23 | 2011-03-31 | Hyen-O Oh | method and apparatus for processing audio signals |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109863556A (zh) * | 2016-08-23 | 2019-06-07 | 弗劳恩霍夫应用研究促进协会 | 用于使用补偿值来对音频信号进行编码的装置和方法 |
CN109863556B (zh) * | 2016-08-23 | 2023-09-26 | 弗劳恩霍夫应用研究促进协会 | 用于使用补偿值来对音频信号进行编码的装置和方法 |
US11935549B2 (en) | 2016-08-23 | 2024-03-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for encoding an audio signal using an output interface for outputting a parameter calculated from a compensation value |
CN112542160A (zh) * | 2019-09-05 | 2021-03-23 | 刘秀敏 | 声学模型的建模单元的编码方法、声学模型的训练方法 |
CN112542160B (zh) * | 2019-09-05 | 2022-10-28 | 刘秀敏 | 声学模型的建模单元的编码方法、声学模型的训练方法 |
CN110728970A (zh) * | 2019-09-29 | 2020-01-24 | 华声设计研究院(深圳)有限公司 | 一种数字辅助隔音处理的方法及装置 |
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