TWI230024B - Method and audio apparatus for improving spatial perception of multiple sound channels when reproduced by two loudspeakers - Google Patents

Method and audio apparatus for improving spatial perception of multiple sound channels when reproduced by two loudspeakers Download PDF

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Publication number
TWI230024B
TWI230024B TW091134109A TW91134109A TWI230024B TW I230024 B TWI230024 B TW I230024B TW 091134109 A TW091134109 A TW 091134109A TW 91134109 A TW91134109 A TW 91134109A TW I230024 B TWI230024 B TW I230024B
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TW
Taiwan
Prior art keywords
channels
loudspeakers
processor
headphone
scope
Prior art date
Application number
TW091134109A
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English (en)
Chinese (zh)
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TW200301663A (en
Inventor
Christophe Chabanne
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Dolby Lab Licensing Corp
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Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Publication of TW200301663A publication Critical patent/TW200301663A/zh
Application granted granted Critical
Publication of TWI230024B publication Critical patent/TWI230024B/zh

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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
    • 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 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • 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]

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
TW091134109A 2001-12-18 2002-11-22 Method and audio apparatus for improving spatial perception of multiple sound channels when reproduced by two loudspeakers TWI230024B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US34431501P 2001-12-18 2001-12-18

Publications (2)

Publication Number Publication Date
TW200301663A TW200301663A (en) 2003-07-01
TWI230024B true TWI230024B (en) 2005-03-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
TW091134109A TWI230024B (en) 2001-12-18 2002-11-22 Method and audio apparatus for improving spatial perception of multiple sound channels when reproduced by two loudspeakers

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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US8160258B2 (en) 2006-02-07 2012-04-17 Lg Electronics Inc. Apparatus and method for encoding/decoding signal
US8208641B2 (en) 2006-01-19 2012-06-26 Lg Electronics Inc. Method and apparatus for processing a media signal
US8543386B2 (en) 2005-05-26 2013-09-24 Lg Electronics Inc. Method and apparatus for decoding an audio signal
US9445213B2 (en) 2008-06-10 2016-09-13 Qualcomm Incorporated Systems and methods for providing surround sound using speakers and headphones
US9595267B2 (en) 2005-05-26 2017-03-14 Lg Electronics Inc. Method and apparatus for decoding an audio signal

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TWI230024B (en) 2001-12-18 2005-03-21 Dolby Lab Licensing Corp Method and audio apparatus for improving spatial perception of multiple sound channels when reproduced by two loudspeakers
FI118370B (fi) 2002-11-22 2007-10-15 Nokia Corp Stereolaajennusverkon ulostulon ekvalisointi
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JP4867367B2 (ja) * 2006-01-30 2012-02-01 ヤマハ株式会社 立体音響再生装置
US8180067B2 (en) * 2006-04-28 2012-05-15 Harman International Industries, Incorporated System for selectively extracting components of an audio input signal
US8036767B2 (en) * 2006-09-20 2011-10-11 Harman International Industries, Incorporated System for extracting and changing the reverberant content of an audio input signal
KR101368859B1 (ko) * 2006-12-27 2014-02-27 삼성전자주식회사 개인 청각 특성을 고려한 2채널 입체 음향 재생 방법 및장치
JP4924119B2 (ja) * 2007-03-12 2012-04-25 ヤマハ株式会社 アレイスピーカ装置
UA101542C2 (ru) 2008-12-15 2013-04-10 Долби Лабораторис Лайсензин Корпорейшн Виртуализатор окружающего звука с динамическим сжатием диапазона и способ
CA2774415C (en) * 2009-10-05 2017-09-05 Harman International Industries, Incorporated System for spatial extraction of audio signals
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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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8543386B2 (en) 2005-05-26 2013-09-24 Lg Electronics Inc. Method and apparatus for decoding an audio signal
US9595267B2 (en) 2005-05-26 2017-03-14 Lg Electronics Inc. Method and apparatus for decoding an audio signal
US8917874B2 (en) 2005-05-26 2014-12-23 Lg Electronics Inc. Method and apparatus for decoding an audio signal
US8577686B2 (en) 2005-05-26 2013-11-05 Lg Electronics Inc. Method and apparatus for decoding an audio signal
US8351611B2 (en) 2006-01-19 2013-01-08 Lg Electronics Inc. Method and apparatus for processing a media signal
US8411869B2 (en) 2006-01-19 2013-04-02 Lg Electronics Inc. Method and apparatus for processing a media signal
US8488819B2 (en) 2006-01-19 2013-07-16 Lg Electronics Inc. Method and apparatus for processing a media signal
US8521313B2 (en) 2006-01-19 2013-08-27 Lg Electronics Inc. Method and apparatus for processing a media signal
US8208641B2 (en) 2006-01-19 2012-06-26 Lg Electronics Inc. Method and apparatus for processing a media signal
US8160258B2 (en) 2006-02-07 2012-04-17 Lg Electronics Inc. Apparatus and method for encoding/decoding signal
US8296156B2 (en) 2006-02-07 2012-10-23 Lg Electronics, Inc. Apparatus and method for encoding/decoding signal
US8612238B2 (en) 2006-02-07 2013-12-17 Lg Electronics, Inc. Apparatus and method for encoding/decoding signal
US8625810B2 (en) 2006-02-07 2014-01-07 Lg Electronics, Inc. Apparatus and method for encoding/decoding signal
US8638945B2 (en) 2006-02-07 2014-01-28 Lg Electronics, Inc. Apparatus and method for encoding/decoding signal
US8712058B2 (en) 2006-02-07 2014-04-29 Lg Electronics, Inc. Apparatus and method for encoding/decoding signal
US8285556B2 (en) 2006-02-07 2012-10-09 Lg Electronics Inc. Apparatus and method for encoding/decoding signal
US9445213B2 (en) 2008-06-10 2016-09-13 Qualcomm Incorporated Systems and methods for providing surround sound using speakers and headphones

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
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
AU2002346672B2 (en) 2008-02-14
KR20040068283A (ko) 2004-07-30

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