AU2002346672B2 - Method for improving spatial perception in virtual surround - Google Patents

Method for improving spatial perception in virtual surround Download PDF

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Publication number
AU2002346672B2
AU2002346672B2 AU2002346672A AU2002346672A AU2002346672B2 AU 2002346672 B2 AU2002346672 B2 AU 2002346672B2 AU 2002346672 A AU2002346672 A AU 2002346672A AU 2002346672 A AU2002346672 A AU 2002346672A AU 2002346672 B2 AU2002346672 B2 AU 2002346672B2
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AU
Australia
Prior art keywords
headphone
loudspeakers
channels
processor
channel
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.)
Ceased
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AU2002346672A
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English (en)
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AU2002346672A1 (en
Inventor
Christophe Chabanne
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Dolby Laboratories Licensing Corp
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Dolby Laboratories Licensing Corp
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Application filed by Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of AU2002346672A1 publication Critical patent/AU2002346672A1/en
Application granted granted Critical
Publication of AU2002346672B2 publication Critical patent/AU2002346672B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/002—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 
    • 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 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • 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
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
AU2002346672A 2001-12-18 2002-12-06 Method for improving spatial perception in virtual surround Ceased AU2002346672B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US34431501P 2001-12-18 2001-12-18
US60/344,315 2001-12-18
PCT/US2002/038915 WO2003053099A1 (en) 2001-12-18 2002-12-06 Method for improving spatial perception in virtual surround

Publications (2)

Publication Number Publication Date
AU2002346672A1 AU2002346672A1 (en) 2003-06-30
AU2002346672B2 true AU2002346672B2 (en) 2008-02-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002346672A Ceased AU2002346672B2 (en) 2001-12-18 2002-12-06 Method for improving spatial perception in virtual surround

Country Status (11)

Country Link
US (1) US8155323B2 (enExample)
EP (1) EP1457092A1 (enExample)
JP (1) JP2005513892A (enExample)
KR (1) KR101004393B1 (enExample)
CN (1) CN1605226B (enExample)
AU (1) AU2002346672B2 (enExample)
CA (1) CA2467938C (enExample)
MX (1) MXPA04005895A (enExample)
MY (1) MY147427A (enExample)
TW (1) TWI230024B (enExample)
WO (1) WO2003053099A1 (enExample)

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JP4924119B2 (ja) * 2007-03-12 2012-04-25 ヤマハ株式会社 アレイスピーカ装置
US9445213B2 (en) 2008-06-10 2016-09-13 Qualcomm Incorporated Systems and methods for providing surround sound using speakers and headphones
UA101542C2 (ru) 2008-12-15 2013-04-10 Долби Лабораторис Лайсензин Корпорейшн Виртуализатор окружающего звука с динамическим сжатием диапазона и способ
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US9107021B2 (en) * 2010-04-30 2015-08-11 Microsoft Technology Licensing, Llc Audio spatialization using reflective room model
CN104756524B (zh) * 2012-03-30 2018-04-17 巴科股份有限公司 用于创造音频系统中的邻近音响效果的设备和方法
US9729992B1 (en) 2013-03-14 2017-08-08 Apple Inc. Front loudspeaker directivity for surround sound systems
US10149058B2 (en) 2013-03-15 2018-12-04 Richard O'Polka Portable sound system
WO2014144968A1 (en) 2013-03-15 2014-09-18 O'polka Richard Portable sound system
US9549248B2 (en) * 2013-09-04 2017-01-17 Nuvoton Technology Corporation Method and apparatus for reducing crosstalk in an integrated headset
WO2015062649A1 (en) 2013-10-30 2015-05-07 Huawei Technologies Co., Ltd. Method and mobile device for processing an audio signal
US9788135B2 (en) 2013-12-04 2017-10-10 The United States Of America As Represented By The Secretary Of The Air Force Efficient personalization of head-related transfer functions for improved virtual spatial audio
USD740784S1 (en) 2014-03-14 2015-10-13 Richard O'Polka Portable sound device
CN104394498B (zh) * 2014-09-28 2017-01-18 北京塞宾科技有限公司 一种三通道全息声场回放方法及声场采集装置
CN111131970B (zh) 2015-02-16 2023-06-02 华为技术有限公司 过滤音频信号的音频信号处理装置和方法
WO2016131479A1 (en) 2015-02-18 2016-08-25 Huawei Technologies Co., Ltd. An audio signal processing apparatus and method for filtering an audio signal
TWI554943B (zh) * 2015-08-17 2016-10-21 李鵬 音訊處理方法及其系統
EP3374877A4 (en) * 2015-11-10 2019-04-10 Bender, Lee, F. SYSTEMS AND METHOD FOR PROCESSING DIGITAL AUDIO
CN106899920A (zh) * 2016-10-28 2017-06-27 广州奥凯电子有限公司 一种声音信号处理方法及系统
US10764709B2 (en) 2017-01-13 2020-09-01 Dolby Laboratories Licensing Corporation Methods, apparatus and systems for dynamic equalization for cross-talk cancellation
US10764704B2 (en) * 2018-03-22 2020-09-01 Boomcloud 360, Inc. Multi-channel subband spatial processing for loudspeakers
GB2587357A (en) * 2019-09-24 2021-03-31 Nokia Technologies Oy Audio processing
US10841728B1 (en) 2019-10-10 2020-11-17 Boomcloud 360, Inc. Multi-channel crosstalk processing

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US6307941B1 (en) * 1997-07-15 2001-10-23 Desper Products, Inc. System and method for localization of virtual sound

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US154545A (en) * 1874-09-01 Improvement in sectional boats
US5472689A (en) * 1991-07-22 1995-12-05 Kao Corporation Hair cosmetic composition containing a poly(N-acylalkyleneimine)-organopolysiloxane block or graft copolymer
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US6307941B1 (en) * 1997-07-15 2001-10-23 Desper Products, Inc. System and method for localization of virtual sound

Also Published As

Publication number Publication date
CA2467938C (en) 2013-11-05
JP2005513892A (ja) 2005-05-12
AU2002346672A1 (en) 2003-06-30
HK1075167A1 (en) 2005-12-02
CN1605226A (zh) 2005-04-06
TWI230024B (en) 2005-03-21
US8155323B2 (en) 2012-04-10
MY147427A (en) 2012-12-14
MXPA04005895A (es) 2004-09-13
CA2467938A1 (en) 2003-06-26
EP1457092A1 (en) 2004-09-15
US20050129249A1 (en) 2005-06-16
TW200301663A (en) 2003-07-01
WO2003053099A1 (en) 2003-06-26
KR101004393B1 (ko) 2010-12-28
CN1605226B (zh) 2010-12-01
KR20040068283A (ko) 2004-07-30

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MK14 Patent ceased section 143(a) (annual fees not paid) or expired