ATE452514T1 - Erzeugung dekorrelierter signale - Google Patents

Erzeugung dekorrelierter signale

Info

Publication number
ATE452514T1
ATE452514T1 AT08735224T AT08735224T ATE452514T1 AT E452514 T1 ATE452514 T1 AT E452514T1 AT 08735224 T AT08735224 T AT 08735224T AT 08735224 T AT08735224 T AT 08735224T AT E452514 T1 ATE452514 T1 AT E452514T1
Authority
AT
Austria
Prior art keywords
audio input
input signal
generation
output signal
delayed
Prior art date
Application number
AT08735224T
Other languages
English (en)
Inventor
Juergen Herre
Karsten Linzmeier
Harald Popp
Jan Plogsties
Harald Mundt
Sascha Disch
Original Assignee
Fraunhofer Ges Forschung
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 Ges Forschung filed Critical Fraunhofer Ges Forschung
Application granted granted Critical
Publication of ATE452514T1 publication Critical patent/ATE452514T1/de

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)
  • Detergent Compositions (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
AT08735224T 2007-04-17 2008-04-14 Erzeugung dekorrelierter signale ATE452514T1 (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
ATE452514T1 true ATE452514T1 (de) 2010-01-15

Family

ID=39643877

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08735224T ATE452514T1 (de) 2007-04-17 2008-04-14 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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EP2218068A4 (de) * 2007-11-21 2010-11-24 Lg Electronics Inc Verfahren und vorrichtung zur verarbeitung eines signals
US8965000B2 (en) 2008-12-19 2015-02-24 Dolby International Ab Method and apparatus for applying reverb to a multi-channel audio signal using spatial cue parameters
EP4645307B1 (de) 2010-08-25 2026-04-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur codierung eines audiosignals mit mehreren kanälen
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
CN103139930B (zh) 2011-11-22 2015-07-08 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
US9830917B2 (en) 2013-02-14 2017-11-28 Dolby Laboratories Licensing Corporation Methods for audio signal transient detection and decorrelation control
EP2956935B1 (de) 2013-02-14 2017-01-04 Dolby Laboratories Licensing Corporation Steuerung der interkanalkohärenz von aufwärtsgemischten audiosignalen
EP2954635B1 (de) * 2013-02-19 2021-07-28 Huawei Technologies Co., Ltd. Rahmenstruktur für filterbank-mehrträger- wellenformen
BR112015028914B1 (pt) * 2013-05-24 2021-12-07 Dolby International Ab Método e aparelho para reconstruir um bloco de tempo/frequência de objetos de áudio n, método e codificador para gerar pelo menos um parâmetro de ponderação, e meio legível por computador
CN105408955B (zh) * 2013-07-29 2019-11-05 杜比实验室特许公司 用于降低去相关器电路中瞬态信号的时间伪差的系统和方法
KR102244379B1 (ko) * 2013-10-21 2021-04-26 돌비 인터네셔널 에이비 오디오 신호들의 파라메트릭 재구성
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
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
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

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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
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JP4567049B2 (ja) * 2004-03-11 2010-10-20 ピーエスエス・ベルギー・エヌブイ 音声信号を処理する方法、遅延管理ユニット、システム、ユニット、計算機プログラム及びメモリ媒体
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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
EP1829424B1 (de) 2005-04-15 2009-01-21 Dolby Sweden AB Zeitliche hüllkurvenformgebung von entkorrelierten signalen
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
AU2008238230B2 (en) 2010-08-26
US20090326959A1 (en) 2009-12-31
CA2664312A1 (en) 2008-10-23
CN101543098A (zh) 2009-09-23
TW200904229A (en) 2009-01-16
DE102007018032B4 (de) 2010-11-11
ZA200900801B (en) 2010-02-24
CN101543098B (zh) 2012-09-05
MY145952A (en) 2012-05-31
EP2036400B1 (de) 2009-12-16
RU2009116268A (ru) 2010-11-10
AU2008238230A1 (en) 2008-10-23
RU2411693C2 (ru) 2011-02-10
JP2010504715A (ja) 2010-02-12
HK1124468A1 (zh) 2009-07-10
WO2008125322A1 (de) 2008-10-23
DE102007018032A1 (de) 2008-10-23
TWI388224B (zh) 2013-03-01
IL196890A0 (en) 2009-11-18
CA2664312C (en) 2014-09-30
DE502008000252D1 (de) 2010-01-28
KR101104578B1 (ko) 2012-01-11
JP4682262B2 (ja) 2011-05-11
EP2036400A1 (de) 2009-03-18
KR20090076939A (ko) 2009-07-13

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