CN1809872A - 编码音频信号的设备和方法及解码已编码音频信号的设备和方法 - Google Patents
编码音频信号的设备和方法及解码已编码音频信号的设备和方法 Download PDFInfo
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- CN1809872A CN1809872A CN200480017095.2A CN200480017095A CN1809872A CN 1809872 A CN1809872 A CN 1809872A CN 200480017095 A CN200480017095 A CN 200480017095A CN 1809872 A CN1809872 A CN 1809872A
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- 238000000034 method Methods 0.000 title claims description 25
- 230000002123 temporal effect Effects 0.000 claims description 19
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- 238000001228 spectrum Methods 0.000 claims description 12
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- 238000004590 computer program Methods 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 4
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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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
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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
- G10L19/02—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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- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
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Abstract
Description
Claims (10)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10328777A DE10328777A1 (de) | 2003-06-25 | 2003-06-25 | Vorrichtung und Verfahren zum Codieren eines Audiosignals und Vorrichtung und Verfahren zum Decodieren eines codierten Audiosignals |
DE10328777.9 | 2003-06-25 | ||
PCT/EP2004/006850 WO2005001813A1 (en) | 2003-06-25 | 2004-06-24 | Apparatus and method for encoding an audio signal and apparatus and method for decoding an encoded audio signal |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1809872A true CN1809872A (zh) | 2006-07-26 |
CN1809872B CN1809872B (zh) | 2010-06-02 |
Family
ID=33546670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200480017095.2A Expired - Lifetime CN1809872B (zh) | 2003-06-25 | 2004-06-24 | 编码音频信号的设备和方法及解码已编码音频信号的设备和方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7275031B2 (zh) |
EP (1) | EP1636791B1 (zh) |
JP (1) | JP2009513992A (zh) |
CN (1) | CN1809872B (zh) |
DE (2) | DE10328777A1 (zh) |
HK (1) | HK1083664A1 (zh) |
WO (1) | WO2005001813A1 (zh) |
Cited By (8)
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WO2009109139A1 (zh) * | 2008-03-05 | 2009-09-11 | 华为技术有限公司 | 超宽带扩展编码、解码方法、编码器及超宽带扩展系统 |
CN101188111B (zh) * | 2006-11-24 | 2012-02-22 | 富士通株式会社 | 解码装置和解码方法 |
CN101615393B (zh) * | 2008-06-25 | 2013-01-02 | 汤姆森许可贸易公司 | 对语音和/或非语音音频输入信号编码或解码的方法和设备 |
CN107403625A (zh) * | 2012-07-16 | 2017-11-28 | 杜比国际公司 | 用于对hoa音频信号进行解码的方法、设备和计算机可读介质 |
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 |
CN111444382A (zh) * | 2020-03-30 | 2020-07-24 | 腾讯科技(深圳)有限公司 | 一种音频处理方法、装置、计算机设备以及存储介质 |
CN112104952A (zh) * | 2020-11-19 | 2020-12-18 | 首望体验科技文化有限公司 | 应用于720度球幕全景影院的全景声音频系统 |
CN113963706A (zh) * | 2014-07-28 | 2022-01-21 | 弗劳恩霍夫应用研究促进协会 | 频域处理器以及时域处理器的音频编码器和解码器 |
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US7539870B2 (en) * | 2004-02-10 | 2009-05-26 | Microsoft Corporation | Media watermarking by biasing randomized statistics |
US7788090B2 (en) * | 2004-09-17 | 2010-08-31 | Koninklijke Philips Electronics N.V. | Combined audio coding minimizing perceptual distortion |
JP4809370B2 (ja) | 2005-02-23 | 2011-11-09 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | マルチチャネル音声符号化における適応ビット割り当て |
US9626973B2 (en) * | 2005-02-23 | 2017-04-18 | Telefonaktiebolaget L M Ericsson (Publ) | Adaptive bit allocation for multi-channel audio encoding |
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 |
ATE442645T1 (de) | 2006-02-06 | 2009-09-15 | France Telecom | Verfahren und vorrichtung zur hierarchischen kodierung eines quelltonsignals sowie entsprechendes decodierverfahren und gerät, programme und signal |
EP1855271A1 (en) * | 2006-05-12 | 2007-11-14 | Deutsche Thomson-Brandt Gmbh | Method and apparatus for re-encoding signals |
GB2443911A (en) * | 2006-11-06 | 2008-05-21 | Matsushita Electric Ind Co Ltd | Reducing power consumption in digital broadcast receivers |
CN101689368B (zh) * | 2007-03-30 | 2012-08-22 | 韩国电子通信研究院 | 对具有多声道的多对象音频信号进行编码和解码的设备和方法 |
EP2015293A1 (en) * | 2007-06-14 | 2009-01-14 | Deutsche Thomson OHG | Method and apparatus for encoding and decoding an audio signal using adaptively switched temporal resolution in the spectral domain |
US20090006081A1 (en) * | 2007-06-27 | 2009-01-01 | Samsung Electronics Co., Ltd. | Method, medium and apparatus for encoding and/or decoding signal |
WO2009049895A1 (en) * | 2007-10-17 | 2009-04-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio coding using downmix |
KR101441897B1 (ko) * | 2008-01-31 | 2014-09-23 | 삼성전자주식회사 | 잔차 신호 부호화 방법 및 장치와 잔차 신호 복호화 방법및 장치 |
ES2731424T3 (es) | 2008-07-11 | 2019-11-15 | Fraunhofer Ges Forschung | Codificador de audio y decodificador de audio |
CN101729198B (zh) * | 2008-10-27 | 2014-04-02 | 华为技术有限公司 | 一种编解码方法、装置及系统 |
PT3364414T (pt) | 2008-12-15 | 2022-07-04 | Fraunhofer Ges Forschung | Descodificador de áudio de extensão de largura de banda, método correspondente e programa de computador |
RU2523035C2 (ru) * | 2008-12-15 | 2014-07-20 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. | Аудио кодер и декодер, увеличивающий полосу частот |
PL4152320T3 (pl) * | 2009-10-21 | 2024-02-19 | Dolby International Ab | Nadpróbkowanie w banku filtrów połączonym z modułem transpozycji |
BR112012014856B1 (pt) * | 2009-12-16 | 2022-10-18 | Dolby International Ab | Método para fundir conjuntos de fonte de parâmetros de sbr a conjuntos-alvo de parâmetros de sbr, meio de armazenamento não transitório e unidade de fusão de parâmetros de sbr |
JP5737189B2 (ja) | 2010-01-15 | 2015-06-17 | 三菱化学株式会社 | 単結晶基板、それを用いて得られるiii族窒化物結晶及びiii族窒化物結晶の製造方法 |
CN102263771B (zh) * | 2010-05-26 | 2014-03-19 | 中国移动通信集团公司 | 移动终端、适配器及多媒体数据的播放方法和系统 |
ES2666150T3 (es) | 2010-07-02 | 2018-05-03 | Dolby International Ab | Descodificación de audio con pos-filtro selectivo |
US12002476B2 (en) | 2010-07-19 | 2024-06-04 | Dolby International Ab | Processing of audio signals during high frequency reconstruction |
CN106409299B (zh) | 2012-03-29 | 2019-11-05 | 华为技术有限公司 | 信号编码和解码的方法和设备 |
EP3704863B1 (en) * | 2017-11-02 | 2022-01-26 | Bose Corporation | Low latency audio distribution |
US12104955B2 (en) * | 2021-03-01 | 2024-10-01 | The Boeing Company | Device to process sample using a time-windowed transform function to generate spectral data and to use combined magnitude and phase spectrograms |
EP4303872A1 (de) * | 2022-07-07 | 2024-01-10 | Technische Universität München | Kodierungsvorrichtung und kodierungsverfahren zur mehrkanalkodierung von vibrotaktilen signalen sowie dekodierung und dekodierungsverfahren |
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JPH02143735A (ja) * | 1988-11-25 | 1990-06-01 | Victor Co Of Japan Ltd | 音声多段符号化伝送方式 |
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US5732391A (en) * | 1994-03-09 | 1998-03-24 | Motorola, Inc. | Method and apparatus of reducing processing steps in an audio compression system using psychoacoustic parameters |
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US6658383B2 (en) * | 2001-06-26 | 2003-12-02 | Microsoft Corporation | Method for coding speech and music signals |
-
2003
- 2003-06-25 DE DE10328777A patent/DE10328777A1/de not_active Withdrawn
-
2004
- 2004-06-24 WO PCT/EP2004/006850 patent/WO2005001813A1/en active IP Right Grant
- 2004-06-24 DE DE602004005197T patent/DE602004005197T2/de not_active Expired - Lifetime
- 2004-06-24 EP EP04740263A patent/EP1636791B1/en not_active Expired - Lifetime
- 2004-06-24 CN CN200480017095.2A patent/CN1809872B/zh not_active Expired - Lifetime
- 2004-06-24 JP JP2006516049A patent/JP2009513992A/ja active Pending
-
2005
- 2005-12-22 US US11/317,521 patent/US7275031B2/en not_active Expired - Lifetime
-
2006
- 2006-05-17 HK HK06105737A patent/HK1083664A1/xx not_active IP Right Cessation
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101188111B (zh) * | 2006-11-24 | 2012-02-22 | 富士通株式会社 | 解码装置和解码方法 |
WO2009109139A1 (zh) * | 2008-03-05 | 2009-09-11 | 华为技术有限公司 | 超宽带扩展编码、解码方法、编码器及超宽带扩展系统 |
CN101615393B (zh) * | 2008-06-25 | 2013-01-02 | 汤姆森许可贸易公司 | 对语音和/或非语音音频输入信号编码或解码的方法和设备 |
CN107403625A (zh) * | 2012-07-16 | 2017-11-28 | 杜比国际公司 | 用于对hoa音频信号进行解码的方法、设备和计算机可读介质 |
CN107403625B (zh) * | 2012-07-16 | 2021-06-04 | 杜比国际公司 | 用于对hoa音频信号进行解码的方法、设备和计算机可读介质 |
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 |
CN110010140B (zh) * | 2013-04-05 | 2023-04-18 | 杜比国际公司 | 立体声音频编码器和解码器 |
US12080307B2 (en) | 2013-04-05 | 2024-09-03 | Dolby International Ab | Stereo audio encoder and decoder |
CN113963706A (zh) * | 2014-07-28 | 2022-01-21 | 弗劳恩霍夫应用研究促进协会 | 频域处理器以及时域处理器的音频编码器和解码器 |
CN111444382A (zh) * | 2020-03-30 | 2020-07-24 | 腾讯科技(深圳)有限公司 | 一种音频处理方法、装置、计算机设备以及存储介质 |
CN112104952A (zh) * | 2020-11-19 | 2020-12-18 | 首望体验科技文化有限公司 | 应用于720度球幕全景影院的全景声音频系统 |
Also Published As
Publication number | Publication date |
---|---|
WO2005001813A1 (en) | 2005-01-06 |
DE10328777A1 (de) | 2005-01-27 |
EP1636791B1 (en) | 2007-03-07 |
JP2009513992A (ja) | 2009-04-02 |
DE602004005197T2 (de) | 2007-06-28 |
CN1809872B (zh) | 2010-06-02 |
HK1083664A1 (en) | 2006-07-07 |
EP1636791A1 (en) | 2006-03-22 |
US20060167683A1 (en) | 2006-07-27 |
DE602004005197D1 (de) | 2007-04-19 |
US7275031B2 (en) | 2007-09-25 |
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