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DE502008000252D1 - Erzeugung dekorrelierter signale - Google Patents

Erzeugung dekorrelierter signale

Info

Publication number
DE502008000252D1
DE502008000252D1 DE502008000252T DE502008000252T DE502008000252D1 DE 502008000252 D1 DE502008000252 D1 DE 502008000252D1 DE 502008000252 T DE502008000252 T DE 502008000252T DE 502008000252 T DE502008000252 T DE 502008000252T DE 502008000252 D1 DE502008000252 D1 DE 502008000252D1
Authority
DE
Germany
Prior art keywords
audio input
input signal
signals
decorreled
generation
Prior art date
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.)
Active
Application number
DE502008000252T
Other languages
English (en)
Inventor
Juergen Herre
Karsten Linzmeier
Harald Popp
Jan Plogsties
Harald Mundt
Sascha Disch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Publication of DE502008000252D1 publication Critical patent/DE502008000252D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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)
  • Photoreceptors In Electrophotography (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Detergent Compositions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DE502008000252T 2007-04-17 2008-04-14 Erzeugung dekorrelierter signale Active DE502008000252D1 (de)

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 (de) 2007-04-17 2008-04-14 Erzeugung dekorrelierter signale

Publications (1)

Publication Number Publication Date
DE502008000252D1 true DE502008000252D1 (de) 2010-01-28

Family

ID=39643877

Family Applications (2)

Application Number Title Priority Date Filing Date
DE102007018032A Expired - Fee Related DE102007018032B4 (de) 2007-04-17 2007-04-17 Erzeugung dekorrelierter Signale
DE502008000252T Active DE502008000252D1 (de) 2007-04-17 2008-04-14 Erzeugung dekorrelierter signale

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE102007018032A Expired - Fee Related DE102007018032B4 (de) 2007-04-17 2007-04-17 Erzeugung dekorrelierter Signale

Country Status (15)

Country Link
US (1) US8145499B2 (de)
EP (1) EP2036400B1 (de)
JP (1) JP4682262B2 (de)
KR (1) KR101104578B1 (de)
CN (1) CN101543098B (de)
AT (1) ATE452514T1 (de)
AU (1) AU2008238230B2 (de)
CA (1) CA2664312C (de)
DE (2) DE102007018032B4 (de)
IL (1) IL196890A0 (de)
MY (1) MY145952A (de)
RU (1) RU2411693C2 (de)
TW (1) TWI388224B (de)
WO (1) WO2008125322A1 (de)
ZA (1) ZA200900801B (de)

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* Cited by examiner, † Cited by third party
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CN101868821B (zh) * 2007-11-21 2015-09-23 Lg电子株式会社 用于处理信号的方法和装置
CN102257562B (zh) * 2008-12-19 2013-09-11 杜比国际公司 用空间线索参数对多通道音频信号应用混响的方法和装置
PL3144932T3 (pl) * 2010-08-25 2019-04-30 Fraunhofer Ges Forschung Urządzenie do kodowania sygnału audio mającego wiele kanałów
EP2477188A1 (de) * 2011-01-18 2012-07-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codierung und Decodierung von Slot-Positionen von Ereignissen in einem Audosignal-Frame
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
RU2630370C9 (ru) * 2013-02-14 2017-09-26 Долби Лабораторис Лайсэнзин Корпорейшн Способы управления межканальной когерентностью звуковых сигналов, подвергнутых повышающему микшированию
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 (en) 2013-02-14 2014-08-21 Dolby Laboratories Licensing Corporation Methods for audio signal transient detection and decorrelation control
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
WO2014130554A1 (en) * 2013-02-19 2014-08-28 Huawei Technologies Co., Ltd. Frame structure for filter bank multi-carrier (fbmc) waveforms
CN110223702B (zh) * 2013-05-24 2023-04-11 杜比国际公司 音频解码系统和重构方法
EP3028274B1 (de) * 2013-07-29 2019-03-20 Dolby Laboratories Licensing Corporation Vorrichtung und verfahren zum reduzieren zeitlicher artefakte für übergangssignale in einer dekorrelatorschaltung
EP3061089B1 (de) * 2013-10-21 2018-01-17 Dolby International AB Parametrische rekonstruktion von tonsignalen
EP2866227A1 (de) * 2013-10-22 2015-04-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Dekodierung und Kodierung einer Downmix-Matrix, Verfahren zur Darstellung von Audioinhalt, Kodierer und Dekodierer für eine Downmix-Matrix, Audiokodierer und Audiodekodierer
WO2015173423A1 (en) * 2014-05-16 2015-11-19 Stormingswiss Sàrl Upmixing of audio signals with exact time delays
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
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
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
CN118800253A (zh) * 2023-04-13 2024-10-18 华为技术有限公司 场景音频信号的解码方法和装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
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
CA2556575C (en) * 2004-03-01 2013-07-02 Dolby Laboratories Licensing Corporation Multichannel audio coding
WO2005091678A1 (en) * 2004-03-11 2005-09-29 Koninklijke Philips Electronics N.V. A method and system for processing sound signals
EP1769491B1 (de) * 2004-07-14 2009-09-30 Koninklijke Philips Electronics N.V. Tonkanalkonvertierung
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 杜比實驗室特許公司 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
US20090052681A1 (en) * 2004-10-15 2009-02-26 Koninklijke Philips Electronics, N.V. System and a method of processing audio data, a program element, and a computer-readable medium
SE0402649D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
KR100933548B1 (ko) * 2005-04-15 2009-12-23 돌비 스웨덴 에이비 비상관 신호의 시간적 엔벨로프 정형화
JP2007065497A (ja) * 2005-09-01 2007-03-15 Matsushita Electric Ind Co Ltd 信号処理装置

Also Published As

Publication number Publication date
US8145499B2 (en) 2012-03-27
RU2411693C2 (ru) 2011-02-10
KR20090076939A (ko) 2009-07-13
AU2008238230A1 (en) 2008-10-23
KR101104578B1 (ko) 2012-01-11
CA2664312C (en) 2014-09-30
ATE452514T1 (de) 2010-01-15
EP2036400A1 (de) 2009-03-18
DE102007018032A1 (de) 2008-10-23
EP2036400B1 (de) 2009-12-16
AU2008238230B2 (en) 2010-08-26
RU2009116268A (ru) 2010-11-10
ZA200900801B (en) 2010-02-24
HK1124468A1 (zh) 2009-07-10
MY145952A (en) 2012-05-31
US20090326959A1 (en) 2009-12-31
CN101543098A (zh) 2009-09-23
WO2008125322A1 (de) 2008-10-23
JP2010504715A (ja) 2010-02-12
CN101543098B (zh) 2012-09-05
TWI388224B (zh) 2013-03-01
JP4682262B2 (ja) 2011-05-11
CA2664312A1 (en) 2008-10-23
TW200904229A (en) 2009-01-16
IL196890A0 (en) 2009-11-18
DE102007018032B4 (de) 2010-11-11

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