JP2004531151A5 - - Google Patents
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- Publication number
- JP2004531151A5 JP2004531151A5 JP2003505919A JP2003505919A JP2004531151A5 JP 2004531151 A5 JP2004531151 A5 JP 2004531151A5 JP 2003505919 A JP2003505919 A JP 2003505919A JP 2003505919 A JP2003505919 A JP 2003505919A JP 2004531151 A5 JP2004531151 A5 JP 2004531151A5
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- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10129240A DE10129240A1 (de) | 2001-06-18 | 2001-06-18 | Verfahren und Vorrichtung zum Verarbeiten von zeitdiskreten Audio-Abtastwerten |
| PCT/EP2002/005865 WO2002103684A1 (de) | 2001-06-18 | 2002-05-28 | Verfahren und vorrichtung zum verarbeiten von zeitdiskreten audio-abtastwerten |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2004531151A JP2004531151A (ja) | 2004-10-07 |
| JP2004531151A5 true JP2004531151A5 (ja) | 2005-09-02 |
| JP3814611B2 JP3814611B2 (ja) | 2006-08-30 |
Family
ID=7688520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003505919A Expired - Lifetime JP3814611B2 (ja) | 2001-06-18 | 2002-05-28 | 時間離散オーディオサンプル値を処理する方法と装置 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7512539B2 (ja) |
| EP (1) | EP1397799B1 (ja) |
| JP (1) | JP3814611B2 (ja) |
| AT (1) | ATE282883T1 (ja) |
| DE (2) | DE10129240A1 (ja) |
| HK (1) | HK1060431A1 (ja) |
| WO (1) | WO2002103684A1 (ja) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10331803A1 (de) * | 2003-07-14 | 2005-02-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Umsetzen in eine transformierte Darstellung oder zum inversen Umsetzen der transformierten Darstellung |
| US7542815B1 (en) * | 2003-09-04 | 2009-06-02 | Akita Blue, Inc. | Extraction of left/center/right information from two-channel stereo sources |
| JP2007507790A (ja) * | 2003-09-29 | 2007-03-29 | エージェンシー フォー サイエンス，テクノロジー アンド リサーチ | 時間ドメインから周波数ドメインへ及びそれとは逆にデジタル信号を変換する方法 |
| DE10345995B4 (de) | 2003-10-02 | 2005-07-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Verarbeiten eines Signals mit einer Sequenz von diskreten Werten |
| DE10345996A1 (de) | 2003-10-02 | 2005-04-28 | Fraunhofer Ges Forschung | Vorrichtung und Verfahren zum Verarbeiten von wenigstens zwei Eingangswerten |
| EP1564650A1 (en) * | 2004-02-17 | 2005-08-17 | Deutsche Thomson-Brandt Gmbh | Method and apparatus for transforming a digital audio signal and for inversely transforming a transformed digital audio signal |
| US7835904B2 (en) * | 2006-03-03 | 2010-11-16 | Microsoft Corp. | Perceptual, scalable audio compression |
| RU2451998C2 (ru) * | 2007-09-19 | 2012-05-27 | Квэлкомм Инкорпорейтед | Эффективный способ проектирования набора фильтров для mdct/imdct в приложениях для кодирования речи и аудиосигналов |
| US8548815B2 (en) * | 2007-09-19 | 2013-10-01 | Qualcomm Incorporated | Efficient design of MDCT / IMDCT filterbanks for speech and audio coding applications |
| US20100265800A1 (en) * | 2009-04-16 | 2010-10-21 | Graham Paul Eatwell | Array shape estimation using directional sensors |
| CN103229235B (zh) * | 2010-11-24 | 2015-12-09 | Lg电子株式会社 | 语音信号编码方法和语音信号解码方法 |
| ES2639646T3 (es) | 2011-02-14 | 2017-10-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codificación y decodificación de posiciones de impulso de pistas de una señal de audio |
| KR101525185B1 (ko) | 2011-02-14 | 2015-06-02 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 트랜지언트 검출 및 품질 결과를 사용하여 일부분의 오디오 신호를 코딩하기 위한 장치 및 방법 |
| CN103477387B (zh) | 2011-02-14 | 2015-11-25 | 弗兰霍菲尔运输应用研究公司 | 使用频谱域噪声整形的基于线性预测的编码方案 |
| MY166394A (en) * | 2011-02-14 | 2018-06-25 | Fraunhofer Ges Forschung | Information signal representation using lapped transform |
| BR112013020482B1 (pt) | 2011-02-14 | 2021-02-23 | Fraunhofer Ges Forschung | aparelho e método para processar um sinal de áudio decodificado em um domínio espectral |
| US9613634B2 (en) * | 2014-06-19 | 2017-04-04 | Yang Gao | Control of acoustic echo canceller adaptive filter for speech enhancement |
| US9703991B2 (en) | 2015-09-09 | 2017-07-11 | Raytheon Company | Discrete time current multiplier circuit |
| US9923549B2 (en) | 2015-09-09 | 2018-03-20 | Raytheon Company | Discrete time polyphase channelizer |
| US10200075B2 (en) | 2016-03-04 | 2019-02-05 | Raytheon Company | Discrete time analog signal processing for simultaneous transmit and receive |
| WO2018201113A1 (en) * | 2017-04-28 | 2018-11-01 | Dts, Inc. | Audio coder window and transform implementations |
| CN118571234A (zh) * | 2023-02-28 | 2024-08-30 | 华为技术有限公司 | 音频编解码方法及相关装置 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0227752A (ja) | 1988-07-15 | 1990-01-30 | Seiko Epson Corp | 半導体装置の製造方法 |
| US5748786A (en) | 1994-09-21 | 1998-05-05 | Ricoh Company, Ltd. | Apparatus for compression using reversible embedded wavelets |
| JP2914226B2 (ja) | 1995-06-16 | 1999-06-28 | 日本電気株式会社 | 可逆変換を可能にするディジタル信号の変換符号化方式 |
| US6058215A (en) * | 1997-04-30 | 2000-05-02 | Ricoh Company, Ltd. | Reversible DCT for lossless-lossy compression |
| JP3003629B2 (ja) | 1997-06-18 | 2000-01-31 | 日本電気株式会社 | ディジタル信号送信回路 |
| US6073153A (en) * | 1998-06-03 | 2000-06-06 | Microsoft Corporation | Fast system and method for computing modulated lapped transforms |
| US6119080A (en) * | 1998-06-17 | 2000-09-12 | Formosoft International Inc. | Unified recursive decomposition architecture for cosine modulated filter banks |
| US6496795B1 (en) * | 1999-05-05 | 2002-12-17 | Microsoft Corporation | Modulated complex lapped transform for integrated signal enhancement and coding |
| US6487574B1 (en) * | 1999-02-26 | 2002-11-26 | Microsoft Corp. | System and method for producing modulated complex lapped transforms |
| JP3710342B2 (ja) | 1999-09-07 | 2005-10-26 | キヤノン株式会社 | ディジタル信号処理装置および方法および記憶媒体 |
| US6934676B2 (en) * | 2001-05-11 | 2005-08-23 | Nokia Mobile Phones Ltd. | Method and system for inter-channel signal redundancy removal in perceptual audio coding |
| US7275036B2 (en) * | 2002-04-18 | 2007-09-25 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for coding a time-discrete audio signal to obtain coded audio data and for decoding coded audio data |
| US7437394B2 (en) * | 2002-06-19 | 2008-10-14 | The Aerospace Corporation | Merge and split discrete cosine block transform method |
| DE10236694A1 (de) * | 2002-08-09 | 2004-02-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum skalierbaren Codieren und Vorrichtung und Verfahren zum skalierbaren Decodieren |
| US7315822B2 (en) * | 2003-10-20 | 2008-01-01 | Microsoft Corp. | System and method for a media codec employing a reversible transform obtained via matrix lifting |
-
2001
- 2001-06-18 DE DE10129240A patent/DE10129240A1/de not_active Ceased
-
2002
- 2002-05-28 JP JP2003505919A patent/JP3814611B2/ja not_active Expired - Lifetime
- 2002-05-28 AT AT02740659T patent/ATE282883T1/de active
- 2002-05-28 DE DE50201579T patent/DE50201579D1/de not_active Expired - Lifetime
- 2002-05-28 WO PCT/EP2002/005865 patent/WO2002103684A1/de active IP Right Grant
- 2002-05-28 US US10/479,398 patent/US7512539B2/en not_active Expired - Lifetime
- 2002-05-28 EP EP02740659A patent/EP1397799B1/de not_active Expired - Lifetime
-
2004
- 2004-05-14 HK HK04103402A patent/HK1060431A1/xx not_active IP Right Cessation