HK1124468A1 - Generation of decorrelated signals - Google Patents

Generation of decorrelated signals

Info

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
Application number
HK09103754.1A
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
Publication of HK1124468A1 publication Critical patent/HK1124468A1/xx

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)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
HK09103754.1A 2007-04-17 2009-04-23 Generation of decorrelated signals HK1124468A1 (en)

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
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 (xx)
EP (1) EP2036400B1 (xx)
JP (1) JP4682262B2 (xx)
KR (1) KR101104578B1 (xx)
CN (1) CN101543098B (xx)
AT (1) ATE452514T1 (xx)
AU (1) AU2008238230B2 (xx)
CA (1) CA2664312C (xx)
DE (2) DE102007018032B4 (xx)
HK (1) HK1124468A1 (xx)
IL (1) IL196890A0 (xx)
MY (1) MY145952A (xx)
RU (1) RU2411693C2 (xx)
TW (1) TWI388224B (xx)
WO (1) WO2008125322A1 (xx)
ZA (1) ZA200900801B (xx)

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BRPI0820488A2 (pt) * 2007-11-21 2017-05-23 Lg Electronics Inc método e equipamento para processar um sinal
KR101342425B1 (ko) * 2008-12-19 2013-12-17 돌비 인터네셔널 에이비 다중-채널의 다운믹싱된 오디오 입력 신호에 리버브를 적용하기 위한 방법 및 다중-채널의 다운믹싱된 오디오 입력 신호에 리버브를 적용하도록 구성된 리버브레이터
EP3144932B1 (en) 2010-08-25 2018-11-07 Fraunhofer Gesellschaft zur Förderung der Angewand An apparatus for encoding an audio signal having a plurality of channels
EP2477188A1 (en) * 2011-01-18 2012-07-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoding and decoding of slot positions of events in an audio signal 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
US9830917B2 (en) 2013-02-14 2017-11-28 Dolby Laboratories Licensing Corporation Methods for audio signal transient detection and decorrelation control
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
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
WO2014126689A1 (en) 2013-02-14 2014-08-21 Dolby Laboratories Licensing Corporation Methods for controlling the inter-channel coherence of upmixed audio signals
CN105359448B (zh) * 2013-02-19 2019-02-12 华为技术有限公司 一种滤波器组多载波波形的帧结构的应用方法及设备
WO2014187987A1 (en) * 2013-05-24 2014-11-27 Dolby International Ab Methods for audio encoding and decoding, corresponding computer-readable media and corresponding audio encoder and decoder
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
JP6479786B2 (ja) * 2013-10-21 2019-03-06 ドルビー・インターナショナル・アーベー オーディオ信号のパラメトリック再構成
EP2866227A1 (en) * 2013-10-22 2015-04-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder
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

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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
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EP1803115A2 (en) * 2004-10-15 2007-07-04 Koninklijke Philips Electronics N.V. A system and a method of processing audio data to generate reverberation
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EP1829424B1 (en) 2005-04-15 2009-01-21 Dolby Sweden AB Temporal envelope shaping of decorrelated signals
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
TW200904229A (en) 2009-01-16
KR20090076939A (ko) 2009-07-13
CN101543098B (zh) 2012-09-05
ATE452514T1 (de) 2010-01-15
KR101104578B1 (ko) 2012-01-11
US8145499B2 (en) 2012-03-27
US20090326959A1 (en) 2009-12-31
CA2664312A1 (en) 2008-10-23
CA2664312C (en) 2014-09-30
EP2036400B1 (de) 2009-12-16
JP2010504715A (ja) 2010-02-12
AU2008238230A1 (en) 2008-10-23
MY145952A (en) 2012-05-31
WO2008125322A1 (de) 2008-10-23
DE502008000252D1 (de) 2010-01-28
DE102007018032A1 (de) 2008-10-23
JP4682262B2 (ja) 2011-05-11
RU2009116268A (ru) 2010-11-10
CN101543098A (zh) 2009-09-23
RU2411693C2 (ru) 2011-02-10
AU2008238230B2 (en) 2010-08-26
IL196890A0 (en) 2009-11-18
EP2036400A1 (de) 2009-03-18
TWI388224B (zh) 2013-03-01
DE102007018032B4 (de) 2010-11-11
ZA200900801B (en) 2010-02-24

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