CN1440130A - 音频信号的编码、解码方法及音频传输方法 - Google Patents
音频信号的编码、解码方法及音频传输方法 Download PDFInfo
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- CN1440130A CN1440130A CN03120483A CN03120483A CN1440130A CN 1440130 A CN1440130 A CN 1440130A CN 03120483 A CN03120483 A CN 03120483A CN 03120483 A CN03120483 A CN 03120483A CN 1440130 A CN1440130 A CN 1440130A
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- China
- Prior art keywords
- signal
- data
- sound channel
- predictive coding
- audio
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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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
-
- 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
Abstract
Description
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP30634998 | 1998-10-13 | ||
JP306349/1998 | 1998-10-13 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN99121660A Division CN1109407C (zh) | 1998-10-13 | 1999-10-12 | 音频信号的编码、解码方法及音频传输方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1440130A true CN1440130A (zh) | 2003-09-03 |
CN1244202C CN1244202C (zh) | 2006-03-01 |
Family
ID=17956020
Family Applications (9)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB031204848A Expired - Lifetime CN1246972C (zh) | 1998-10-13 | 1999-10-12 | 音频信号的接收、记录方法 |
CNB031204821A Expired - Fee Related CN1246971C (zh) | 1998-10-13 | 1999-10-12 | 音频信号的编码、解码方法 |
CNB031204791A Expired - Fee Related CN1244201C (zh) | 1998-10-13 | 1999-10-12 | 音频信号的记录、重放方法 |
CNB031204813A Expired - Lifetime CN1246970C (zh) | 1998-10-13 | 1999-10-12 | 音频信号的传送、接收方法 |
CN99121660A Expired - Lifetime CN1109407C (zh) | 1998-10-13 | 1999-10-12 | 音频信号的编码、解码方法及音频传输方法 |
CNB031204805A Expired - Lifetime CN1246969C (zh) | 1998-10-13 | 1999-10-12 | 音频信号的记录、接收方法 |
CNB03120483XA Expired - Fee Related CN1244202C (zh) | 1998-10-13 | 1999-10-12 | 音频信号的记录重放方法 |
CNB031204856A Expired - Lifetime CN1233095C (zh) | 1998-10-13 | 2003-03-19 | 音频信号的传送、接收方法 |
CNB031204864A Expired - Fee Related CN1233096C (zh) | 1998-10-13 | 2003-03-19 | 音频信号的编码及解码方法 |
Family Applications Before (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB031204848A Expired - Lifetime CN1246972C (zh) | 1998-10-13 | 1999-10-12 | 音频信号的接收、记录方法 |
CNB031204821A Expired - Fee Related CN1246971C (zh) | 1998-10-13 | 1999-10-12 | 音频信号的编码、解码方法 |
CNB031204791A Expired - Fee Related CN1244201C (zh) | 1998-10-13 | 1999-10-12 | 音频信号的记录、重放方法 |
CNB031204813A Expired - Lifetime CN1246970C (zh) | 1998-10-13 | 1999-10-12 | 音频信号的传送、接收方法 |
CN99121660A Expired - Lifetime CN1109407C (zh) | 1998-10-13 | 1999-10-12 | 音频信号的编码、解码方法及音频传输方法 |
CNB031204805A Expired - Lifetime CN1246969C (zh) | 1998-10-13 | 1999-10-12 | 音频信号的记录、接收方法 |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB031204856A Expired - Lifetime CN1233095C (zh) | 1998-10-13 | 2003-03-19 | 音频信号的传送、接收方法 |
CNB031204864A Expired - Fee Related CN1233096C (zh) | 1998-10-13 | 2003-03-19 | 音频信号的编码及解码方法 |
Country Status (4)
Country | Link |
---|---|
US (12) | US6463410B1 (zh) |
EP (2) | EP1737138B1 (zh) |
CN (9) | CN1246972C (zh) |
DE (1) | DE69934287T2 (zh) |
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SE522261C2 (sv) * | 2000-05-10 | 2004-01-27 | Global Ip Sound Ab | Kodning och avkodning av en digital signal |
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JP5053849B2 (ja) * | 2005-09-01 | 2012-10-24 | パナソニック株式会社 | マルチチャンネル音響信号処理装置およびマルチチャンネル音響信号処理方法 |
CN101490744B (zh) * | 2006-11-24 | 2013-07-17 | Lg电子株式会社 | 用于编码和解码基于对象的音频信号的方法和装置 |
US20090048827A1 (en) * | 2007-08-17 | 2009-02-19 | Manoj Kumar | Method and system for audio frame estimation |
JP5413839B2 (ja) * | 2007-10-31 | 2014-02-12 | パナソニック株式会社 | 符号化装置および復号装置 |
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CN101252686B (zh) * | 2008-03-20 | 2010-04-14 | 上海交通大学 | 基于交织预测的视频帧内无损编解码方法及系统 |
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RU2618919C2 (ru) * | 2013-01-29 | 2017-05-12 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Устройство и способ для синтезирования аудиосигнала, декодер, кодер, система и компьютерная программа |
AU2014336356B2 (en) | 2013-10-18 | 2017-04-06 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Concept for encoding an audio signal and decoding an audio signal using speech related spectral shaping information |
JP6366705B2 (ja) | 2013-10-18 | 2018-08-01 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | 確定的及びノイズ状情報を用いてオーディオ信号を符号化/復号化する概念 |
JP6728146B2 (ja) * | 2014-10-02 | 2020-07-22 | ドルビー・インターナショナル・アーベー | ダイアログ向上のためのデコード方法およびデコーダ |
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1999
- 1999-09-13 US US09/394,688 patent/US6463410B1/en not_active Expired - Lifetime
- 1999-09-27 DE DE69934287T patent/DE69934287T2/de not_active Expired - Lifetime
- 1999-09-27 EP EP06021572A patent/EP1737138B1/en not_active Expired - Lifetime
- 1999-09-27 EP EP99118960A patent/EP0994569B1/en not_active Expired - Lifetime
- 1999-10-12 CN CNB031204848A patent/CN1246972C/zh not_active Expired - Lifetime
- 1999-10-12 CN CNB031204821A patent/CN1246971C/zh not_active Expired - Fee Related
- 1999-10-12 CN CNB031204791A patent/CN1244201C/zh not_active Expired - Fee Related
- 1999-10-12 CN CNB031204813A patent/CN1246970C/zh not_active Expired - Lifetime
- 1999-10-12 CN CN99121660A patent/CN1109407C/zh not_active Expired - Lifetime
- 1999-10-12 CN CNB031204805A patent/CN1246969C/zh not_active Expired - Lifetime
- 1999-10-12 CN CNB03120483XA patent/CN1244202C/zh not_active Expired - Fee Related
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2002
- 2002-03-13 US US10/096,276 patent/US6678652B2/en not_active Expired - Lifetime
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2003
- 2003-03-19 CN CNB031204856A patent/CN1233095C/zh not_active Expired - Lifetime
- 2003-03-19 CN CNB031204864A patent/CN1233096C/zh not_active Expired - Fee Related
- 2003-11-26 US US10/721,218 patent/US7092889B2/en not_active Expired - Lifetime
- 2003-11-26 US US10/721,159 patent/US7039583B2/en not_active Expired - Lifetime
- 2003-11-26 US US10/721,219 patent/US7085713B2/en not_active Expired - Lifetime
- 2003-11-26 US US10/721,160 patent/US7103555B2/en not_active Expired - Lifetime
- 2003-11-26 US US10/721,167 patent/US7236933B2/en not_active Expired - Lifetime
- 2003-11-26 US US10/721,158 patent/US7240014B2/en not_active Expired - Lifetime
- 2003-11-26 US US10/721,161 patent/US7092876B2/en not_active Expired - Lifetime
- 2003-11-26 US US10/721,217 patent/US7219053B2/en not_active Expired - Lifetime
- 2003-11-26 US US10/721,163 patent/US7136491B2/en not_active Expired - Lifetime
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2006
- 2006-09-29 US US11/529,270 patent/US7801314B2/en not_active Expired - Fee Related
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