CN1524400A - 用于低比特率音频编码应用的高效可标度参数立体声编码 - Google Patents
用于低比特率音频编码应用的高效可标度参数立体声编码 Download PDFInfo
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- CN1524400A CN1524400A CNA028136462A CN02813646A CN1524400A CN 1524400 A CN1524400 A CN 1524400A CN A028136462 A CNA028136462 A CN A028136462A CN 02813646 A CN02813646 A CN 02813646A CN 1524400 A CN1524400 A CN 1524400A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
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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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/007—Two-channel systems in which the audio signals are in digital form
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
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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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Mathematical Physics (AREA)
- Quality & Reliability (AREA)
- Stereophonic System (AREA)
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Abstract
Description
Claims (25)
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0102481A SE0102481D0 (sv) | 2001-07-10 | 2001-07-10 | Parametric stereo coding for low bitrate applications |
SE01024819 | 2001-07-10 | ||
SE02007961 | 2002-03-15 | ||
SE0200796A SE0200796D0 (sv) | 2002-03-15 | 2002-03-15 | Parametic Stereo Coding for Low Bitrate Applications |
SE0202159A SE0202159D0 (sv) | 2001-07-10 | 2002-07-09 | Efficientand scalable parametric stereo coding for low bitrate applications |
SE02021590 | 2002-07-09 | ||
PCT/SE2002/001372 WO2003007656A1 (en) | 2001-07-10 | 2002-07-10 | Efficient and scalable parametric stereo coding for low bitrate applications |
Related Child Applications (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005101099602A Division CN1758338B (zh) | 2001-07-10 | 2002-07-10 | 用于低比特率音频编码应用的高效可标度参数立体声编码 |
CN2010102129767A Division CN101996634B (zh) | 2001-07-10 | 2002-07-10 | 用于低比特率音频编码应用的高效可标度参数立体声编码 |
CN200510109959XA Division CN1758337B (zh) | 2001-07-10 | 2002-07-10 | 用于低比特率音频编码应用的高效可标度参数立体声编码 |
CN2010101629421A Division CN101887724B (zh) | 2001-07-10 | 2002-07-10 | 编码功率频谱包络的解码方法 |
CN2005101099585A Division CN1758336B (zh) | 2001-07-10 | 2002-07-10 | 用于低比特率音频编码应用的高效可标度参数立体声编码 |
CN2005101099570A Division CN1758335B (zh) | 2001-07-10 | 2002-07-10 | 用于低比特率音频编码应用的高效可标度参数立体声编码 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1524400A true CN1524400A (zh) | 2004-08-25 |
CN1279790C CN1279790C (zh) | 2006-10-11 |
Family
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Family Applications (7)
Application Number | Title | Priority Date | Filing Date |
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CN2010102129767A Expired - Lifetime CN101996634B (zh) | 2001-07-10 | 2002-07-10 | 用于低比特率音频编码应用的高效可标度参数立体声编码 |
CN2005101099602A Expired - Lifetime CN1758338B (zh) | 2001-07-10 | 2002-07-10 | 用于低比特率音频编码应用的高效可标度参数立体声编码 |
CN2005101099585A Expired - Lifetime CN1758336B (zh) | 2001-07-10 | 2002-07-10 | 用于低比特率音频编码应用的高效可标度参数立体声编码 |
CN200510109959XA Expired - Lifetime CN1758337B (zh) | 2001-07-10 | 2002-07-10 | 用于低比特率音频编码应用的高效可标度参数立体声编码 |
CNB028136462A Expired - Lifetime CN1279790C (zh) | 2001-07-10 | 2002-07-10 | 用于低比特率音频编码应用的高效可标度参数立体声编码 |
CN2005101099570A Expired - Lifetime CN1758335B (zh) | 2001-07-10 | 2002-07-10 | 用于低比特率音频编码应用的高效可标度参数立体声编码 |
CN2010101629421A Expired - Lifetime CN101887724B (zh) | 2001-07-10 | 2002-07-10 | 编码功率频谱包络的解码方法 |
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CN2010102129767A Expired - Lifetime CN101996634B (zh) | 2001-07-10 | 2002-07-10 | 用于低比特率音频编码应用的高效可标度参数立体声编码 |
CN2005101099602A Expired - Lifetime CN1758338B (zh) | 2001-07-10 | 2002-07-10 | 用于低比特率音频编码应用的高效可标度参数立体声编码 |
CN2005101099585A Expired - Lifetime CN1758336B (zh) | 2001-07-10 | 2002-07-10 | 用于低比特率音频编码应用的高效可标度参数立体声编码 |
CN200510109959XA Expired - Lifetime CN1758337B (zh) | 2001-07-10 | 2002-07-10 | 用于低比特率音频编码应用的高效可标度参数立体声编码 |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
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CN2005101099570A Expired - Lifetime CN1758335B (zh) | 2001-07-10 | 2002-07-10 | 用于低比特率音频编码应用的高效可标度参数立体声编码 |
CN2010101629421A Expired - Lifetime CN101887724B (zh) | 2001-07-10 | 2002-07-10 | 编码功率频谱包络的解码方法 |
Country Status (13)
Country | Link |
---|---|
US (8) | US7382886B2 (zh) |
EP (9) | EP1600945B1 (zh) |
JP (10) | JP4447317B2 (zh) |
KR (5) | KR100666815B1 (zh) |
CN (7) | CN101996634B (zh) |
AT (5) | ATE499675T1 (zh) |
DE (5) | DE60235208D1 (zh) |
DK (4) | DK2015292T3 (zh) |
ES (7) | ES2248570T3 (zh) |
HK (8) | HK1062624A1 (zh) |
PT (2) | PT3104367T (zh) |
SE (1) | SE0202159D0 (zh) |
WO (1) | WO2003007656A1 (zh) |
Cited By (11)
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CN1993733B (zh) * | 2005-04-19 | 2010-12-08 | 杜比国际公司 | 空间音频参数量化器、去量化器及参数量化、去量化方法 |
CN101149925B (zh) * | 2007-11-06 | 2011-02-16 | 武汉大学 | 一种用于参数立体声编码的空间参数选取方法 |
CN101091206B (zh) * | 2004-12-28 | 2011-06-01 | 松下电器产业株式会社 | 语音编码装置和语音编码方法 |
CN101223575B (zh) * | 2005-07-14 | 2011-09-21 | 皇家飞利浦电子股份有限公司 | 音频编码和解码 |
CN101199003B (zh) * | 2005-04-22 | 2012-01-11 | 高通股份有限公司 | 用于增益因数衰减的系统、方法和设备 |
CN101517637B (zh) * | 2006-09-18 | 2012-08-15 | 皇家飞利浦电子股份有限公司 | 音频编解码器 、编解码方法、 集线器、 发送接收器、 发送接收方法、通信系统、 播放设备 |
CN101809656B (zh) * | 2008-07-29 | 2013-03-13 | 松下电器产业株式会社 | 音响编码装置、音响解码装置、音响编码解码装置及会议系统 |
CN102272830B (zh) * | 2009-01-13 | 2013-04-03 | 松下电器产业株式会社 | 音响信号解码装置及平衡调整方法 |
CN104364843A (zh) * | 2012-06-14 | 2015-02-18 | 杜比国际公司 | 用于多通道音频的平滑配置切换 |
CN107068159A (zh) * | 2012-04-27 | 2017-08-18 | 株式会社Ntt都科摩 | 声音解码装置 |
CN110010140A (zh) * | 2013-04-05 | 2019-07-12 | 杜比国际公司 | 立体声音频编码器和解码器 |
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US7660424B2 (en) | 2001-02-07 | 2010-02-09 | Dolby Laboratories Licensing Corporation | Audio channel spatial translation |
US7116787B2 (en) * | 2001-05-04 | 2006-10-03 | Agere Systems Inc. | Perceptual synthesis of auditory scenes |
US7583805B2 (en) * | 2004-02-12 | 2009-09-01 | Agere Systems Inc. | Late reverberation-based synthesis of auditory scenes |
US7644003B2 (en) | 2001-05-04 | 2010-01-05 | Agere Systems Inc. | Cue-based audio coding/decoding |
US8605911B2 (en) | 2001-07-10 | 2013-12-10 | Dolby International Ab | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
SE0202159D0 (sv) | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
EP1423847B1 (en) | 2001-11-29 | 2005-02-02 | Coding Technologies AB | Reconstruction of high frequency components |
DE60306512T2 (de) * | 2002-04-22 | 2007-06-21 | Koninklijke Philips Electronics N.V. | Parametrische beschreibung von mehrkanal-audio |
KR101021076B1 (ko) | 2002-04-22 | 2011-03-11 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 신호 합성 |
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ES2283815T3 (es) * | 2002-10-14 | 2007-11-01 | Thomson Licensing | Metodo para codificar y decodificar la anchura de una fuente de sonido en una escena de audio. |
US7181019B2 (en) * | 2003-02-11 | 2007-02-20 | Koninklijke Philips Electronics N. V. | Audio coding |
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CN1748443B (zh) * | 2003-03-04 | 2010-09-22 | 诺基亚有限公司 | 多声道音频扩展支持 |
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US7844451B2 (en) * | 2003-09-16 | 2010-11-30 | Panasonic Corporation | Spectrum coding/decoding apparatus and method for reducing distortion of two band spectrums |
US7394903B2 (en) * | 2004-01-20 | 2008-07-01 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal |
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