HK1124468A1 - Generation of decorrelated signals - Google Patents
Generation of decorrelated signalsInfo
- Publication number
- HK1124468A1 HK1124468A1 HK09103754.1A HK09103754A HK1124468A1 HK 1124468 A1 HK1124468 A1 HK 1124468A1 HK 09103754 A HK09103754 A HK 09103754A HK 1124468 A1 HK1124468 A1 HK 1124468A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- audio input
- input signal
- generation
- output signal
- delayed
- Prior art date
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/05—Application of the precedence or Haas effect, i.e. the effect of first wavefront, in order to improve sound-source localisation
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
- Developing Agents For Electrophotography (AREA)
- Detergent Compositions (AREA)
- Photoreceptors In Electrophotography (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007018032A DE102007018032B4 (de) | 2007-04-17 | 2007-04-17 | Erzeugung dekorrelierter Signale |
PCT/EP2008/002945 WO2008125322A1 (fr) | 2007-04-17 | 2008-04-14 | Génération de signaux décorrélés |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1124468A1 true HK1124468A1 (en) | 2009-07-10 |
Family
ID=39643877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK09103754.1A HK1124468A1 (en) | 2007-04-17 | 2009-04-23 | Generation of decorrelated signals |
Country Status (16)
Country | Link |
---|---|
US (1) | US8145499B2 (fr) |
EP (1) | EP2036400B1 (fr) |
JP (1) | JP4682262B2 (fr) |
KR (1) | KR101104578B1 (fr) |
CN (1) | CN101543098B (fr) |
AT (1) | ATE452514T1 (fr) |
AU (1) | AU2008238230B2 (fr) |
CA (1) | CA2664312C (fr) |
DE (2) | DE102007018032B4 (fr) |
HK (1) | HK1124468A1 (fr) |
IL (1) | IL196890A0 (fr) |
MY (1) | MY145952A (fr) |
RU (1) | RU2411693C2 (fr) |
TW (1) | TWI388224B (fr) |
WO (1) | WO2008125322A1 (fr) |
ZA (1) | ZA200900801B (fr) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2705968C (fr) * | 2007-11-21 | 2016-01-26 | Lg Electronics Inc. | Procede et appareil de traitement de signal |
EP2377123B1 (fr) * | 2008-12-19 | 2014-10-29 | Dolby International AB | Procédé et appareil pour appliquer une réverbération à un signal audio à canaux multiples à l'aide de paramètres de repères spatiaux |
RU2573774C2 (ru) | 2010-08-25 | 2016-01-27 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Устройство для декодирования сигнала, содержащего переходные процессы, используя блок объединения и микшер |
EP2477188A1 (fr) * | 2011-01-18 | 2012-07-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codage et décodage des positions de rainures d'événements d'une trame de signaux audio |
CN105163398B (zh) | 2011-11-22 | 2019-01-18 | 华为技术有限公司 | 连接建立方法和用户设备 |
US9424859B2 (en) * | 2012-11-21 | 2016-08-23 | Harman International Industries Canada Ltd. | System to control audio effect parameters of vocal signals |
TWI618050B (zh) | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於音訊處理系統中之訊號去相關的方法及設備 |
TWI618051B (zh) | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於利用估計之空間參數的音頻訊號增強的音頻訊號處理方法及裝置 |
WO2014126688A1 (fr) | 2013-02-14 | 2014-08-21 | Dolby Laboratories Licensing Corporation | Procédés de détection transitoire et de commande de décorrélation de signal audio |
IN2015MN01952A (fr) * | 2013-02-14 | 2015-08-28 | Dolby Lab Licensing Corp | |
EP2954635B1 (fr) * | 2013-02-19 | 2021-07-28 | Huawei Technologies Co., Ltd. | Structure de trame pour formes d'ondes multi-porteuses à bancs de filtres (fbmc) |
CN105393304B (zh) * | 2013-05-24 | 2019-05-28 | 杜比国际公司 | 音频编码和解码方法、介质以及音频编码器和解码器 |
JP6242489B2 (ja) * | 2013-07-29 | 2017-12-06 | ドルビー ラボラトリーズ ライセンシング コーポレイション | 脱相関器における過渡信号についての時間的アーチファクトを軽減するシステムおよび方法 |
BR112016008817B1 (pt) * | 2013-10-21 | 2022-03-22 | Dolby International Ab | Método para reconstruir um sinal de áudio de n canais, sistema de decodificação de áudio, método para codificar um sinal de áudio de n canais e sistema de codificação de áudio |
EP2866227A1 (fr) | 2013-10-22 | 2015-04-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Procédé de décodage et de codage d'une matrice de mixage réducteur, procédé de présentation de contenu audio, codeur et décodeur pour une matrice de mixage réducteur, codeur audio et décodeur audio |
WO2015173423A1 (fr) * | 2014-05-16 | 2015-11-19 | Stormingswiss Sàrl | Mixage élévateur de signaux audio avec retards temporels exacts |
US11234072B2 (en) | 2016-02-18 | 2022-01-25 | Dolby Laboratories Licensing Corporation | Processing of microphone signals for spatial playback |
US10560661B2 (en) | 2017-03-16 | 2020-02-11 | Dolby Laboratories Licensing Corporation | Detecting and mitigating audio-visual incongruence |
CN110740416B (zh) * | 2019-09-27 | 2021-04-06 | 广州励丰文化科技股份有限公司 | 一种音频信号处理方法及装置 |
CN110740404B (zh) * | 2019-09-27 | 2020-12-25 | 广州励丰文化科技股份有限公司 | 一种音频相关性的处理方法及音频处理装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4792974A (en) * | 1987-08-26 | 1988-12-20 | Chace Frederic I | Automated stereo synthesizer for audiovisual programs |
US6526091B1 (en) | 1998-08-17 | 2003-02-25 | Telefonaktiebolaget Lm Ericsson | Communication methods and apparatus based on orthogonal hadamard-based sequences having selected correlation properties |
US6175631B1 (en) * | 1999-07-09 | 2001-01-16 | Stephen A. Davis | Method and apparatus for decorrelating audio signals |
AUPQ942400A0 (en) * | 2000-08-15 | 2000-09-07 | Lake Technology Limited | Cinema audio processing system |
US7107110B2 (en) * | 2001-03-05 | 2006-09-12 | Microsoft Corporation | Audio buffers with audio effects |
SE0301273D0 (sv) * | 2003-04-30 | 2003-04-30 | Coding Technologies Sweden Ab | Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods |
WO2005086139A1 (fr) * | 2004-03-01 | 2005-09-15 | Dolby Laboratories Licensing Corporation | Codage audio multicanaux |
KR101097000B1 (ko) | 2004-03-11 | 2011-12-20 | 피에스에스 벨기에 엔브이 | 사운드 신호들을 프로세싱하는 방법 및 시스템 |
RU2391714C2 (ru) * | 2004-07-14 | 2010-06-10 | Конинклейке Филипс Электроникс Н.В. | Преобразование аудиоканалов |
US7508947B2 (en) * | 2004-08-03 | 2009-03-24 | Dolby Laboratories Licensing Corporation | Method for combining audio signals using auditory scene analysis |
TWI393121B (zh) * | 2004-08-25 | 2013-04-11 | Dolby Lab Licensing Corp | 處理一組n個聲音信號之方法與裝置及與其相關聯之電腦程式 |
JP2008517317A (ja) * | 2004-10-15 | 2008-05-22 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | オーディオデータ処理システム、方法、プログラム要素、及びコンピュータ読み取り可能媒体 |
SE0402649D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Advanced methods of creating orthogonal signals |
WO2006108543A1 (fr) | 2005-04-15 | 2006-10-19 | Coding Technologies Ab | Mise en forme de l'enveloppe temporaire d'un signal decorrele |
JP2007065497A (ja) * | 2005-09-01 | 2007-03-15 | Matsushita Electric Ind Co Ltd | 信号処理装置 |
-
2007
- 2007-04-17 DE DE102007018032A patent/DE102007018032B4/de not_active Expired - Fee Related
-
2008
- 2008-04-14 MY MYPI20091415A patent/MY145952A/en unknown
- 2008-04-14 WO PCT/EP2008/002945 patent/WO2008125322A1/fr active Application Filing
- 2008-04-14 JP JP2009529719A patent/JP4682262B2/ja active Active
- 2008-04-14 AU AU2008238230A patent/AU2008238230B2/en active Active
- 2008-04-14 CN CN2008800005968A patent/CN101543098B/zh active Active
- 2008-04-14 EP EP08735224A patent/EP2036400B1/fr active Active
- 2008-04-14 DE DE502008000252T patent/DE502008000252D1/de active Active
- 2008-04-14 CA CA2664312A patent/CA2664312C/fr active Active
- 2008-04-14 KR KR1020097008644A patent/KR101104578B1/ko active IP Right Grant
- 2008-04-14 US US12/440,940 patent/US8145499B2/en active Active
- 2008-04-14 AT AT08735224T patent/ATE452514T1/de active
- 2008-04-14 RU RU2009116268/09A patent/RU2411693C2/ru active
- 2008-04-16 TW TW097113879A patent/TWI388224B/zh active
-
2009
- 2009-02-03 ZA ZA2009/00801A patent/ZA200900801B/en unknown
- 2009-02-04 IL IL196890A patent/IL196890A0/en active IP Right Grant
- 2009-04-23 HK HK09103754.1A patent/HK1124468A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
EP2036400B1 (fr) | 2009-12-16 |
US20090326959A1 (en) | 2009-12-31 |
DE502008000252D1 (de) | 2010-01-28 |
KR101104578B1 (ko) | 2012-01-11 |
RU2411693C2 (ru) | 2011-02-10 |
RU2009116268A (ru) | 2010-11-10 |
CN101543098B (zh) | 2012-09-05 |
WO2008125322A1 (fr) | 2008-10-23 |
AU2008238230B2 (en) | 2010-08-26 |
ATE452514T1 (de) | 2010-01-15 |
TW200904229A (en) | 2009-01-16 |
IL196890A0 (en) | 2009-11-18 |
JP2010504715A (ja) | 2010-02-12 |
AU2008238230A1 (en) | 2008-10-23 |
CN101543098A (zh) | 2009-09-23 |
CA2664312C (fr) | 2014-09-30 |
EP2036400A1 (fr) | 2009-03-18 |
DE102007018032B4 (de) | 2010-11-11 |
ZA200900801B (en) | 2010-02-24 |
KR20090076939A (ko) | 2009-07-13 |
MY145952A (en) | 2012-05-31 |
TWI388224B (zh) | 2013-03-01 |
US8145499B2 (en) | 2012-03-27 |
JP4682262B2 (ja) | 2011-05-11 |
CA2664312A1 (fr) | 2008-10-23 |
DE102007018032A1 (de) | 2008-10-23 |
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