AU751900B2 - Audio signal processing method and apparatus - Google Patents

Audio signal processing method and apparatus Download PDF

Info

Publication number
AU751900B2
AU751900B2 AU17438/99A AU1743899A AU751900B2 AU 751900 B2 AU751900 B2 AU 751900B2 AU 17438/99 A AU17438/99 A AU 17438/99A AU 1743899 A AU1743899 A AU 1743899A AU 751900 B2 AU751900 B2 AU 751900B2
Authority
AU
Australia
Prior art keywords
audio
signals
signal
impulse response
input
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.)
Expired
Application number
AU17438/99A
Other languages
English (en)
Other versions
AU1743899A (en
Inventor
Richard James Cartwright
Glenn Norman Dickens
David Stanley Mcgrath
Adam Richard Mckeag
Andrew Peter Reilly
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.)
Dolby Australia Pty Ltd
Original Assignee
Lake Technology Ltd
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
Priority claimed from AUPP2595A external-priority patent/AUPP259598A0/en
Priority claimed from AUPP2710A external-priority patent/AUPP271098A0/en
Priority claimed from AUPP2709A external-priority patent/AUPP270998A0/en
Priority claimed from AUPP7164A external-priority patent/AUPP716498A0/en
Application filed by Lake Technology Ltd filed Critical Lake Technology Ltd
Priority to AU17438/99A priority Critical patent/AU751900B2/en
Publication of AU1743899A publication Critical patent/AU1743899A/en
Application granted granted Critical
Publication of AU751900B2 publication Critical patent/AU751900B2/en
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • 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
    • H04S3/004—For headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Data Mining & Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Computational Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • Stereophonic System (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
  • Circuit For Audible Band Transducer (AREA)
AU17438/99A 1998-03-25 1999-01-06 Audio signal processing method and apparatus Expired AU751900B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU17438/99A AU751900B2 (en) 1998-03-25 1999-01-06 Audio signal processing method and apparatus

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
AUPP2595A AUPP259598A0 (en) 1998-03-25 1998-03-25 Sound signal processing apparatus (PAT 51)
AUPP2595 1998-03-25
AUPP2710A AUPP271098A0 (en) 1998-03-31 1998-03-31 New variants on low-latency convolution - reduced computation by using band-limited coefficients in the filter tails
AUPP2709A AUPP270998A0 (en) 1998-03-31 1998-03-31 New variants on low-latency convolution - reduced computation requirement by sharing filter tails between multiple channels
AUPP2709 1998-03-31
AUPP2710 1998-03-31
AUPP7164A AUPP716498A0 (en) 1998-11-12 1998-11-12 Audio signal processing apparatus (pat 82)
AUPP7164 1998-11-12
PCT/AU1999/000002 WO1999049574A1 (en) 1998-03-25 1999-01-06 Audio signal processing method and apparatus
AU17438/99A AU751900B2 (en) 1998-03-25 1999-01-06 Audio signal processing method and apparatus

Publications (2)

Publication Number Publication Date
AU1743899A AU1743899A (en) 1999-10-18
AU751900B2 true AU751900B2 (en) 2002-08-29

Family

ID=27424461

Family Applications (1)

Application Number Title Priority Date Filing Date
AU17438/99A Expired AU751900B2 (en) 1998-03-25 1999-01-06 Audio signal processing method and apparatus

Country Status (11)

Country Link
US (1) US6741706B1 (https=)
EP (1) EP1072089B1 (https=)
JP (3) JP2002508616A (https=)
KR (1) KR100598003B1 (https=)
CN (1) CN100353664C (https=)
AT (1) ATE501606T1 (https=)
AU (1) AU751900B2 (https=)
CA (1) CA2325482C (https=)
DE (1) DE69943265D1 (https=)
DK (1) DK1072089T3 (https=)
WO (1) WO1999049574A1 (https=)

Families Citing this family (78)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1072089B1 (en) * 1998-03-25 2011-03-09 Dolby Laboratories Licensing Corp. Audio signal processing method and apparatus
AUPQ941600A0 (en) * 2000-08-14 2000-09-07 Lake Technology Limited Audio frequency response processing sytem
US8086448B1 (en) * 2003-06-24 2011-12-27 Creative Technology Ltd Dynamic modification of a high-order perceptual attribute of an audio signal
KR20050060789A (ko) * 2003-12-17 2005-06-22 삼성전자주식회사 가상 음향 재생 방법 및 그 장치
WO2005094529A2 (en) * 2004-03-24 2005-10-13 That Corporation Configurable filter for processing television audio signals
US20050276430A1 (en) * 2004-05-28 2005-12-15 Microsoft Corporation Fast headphone virtualization
NL1029251C2 (nl) * 2004-06-16 2007-08-14 Samsung Electronics Co Ltd Inrichting en methode voor het reproduceren van een 7.1 kanaal geluid.
KR100644617B1 (ko) 2004-06-16 2006-11-10 삼성전자주식회사 7.1 채널 오디오 재생 방법 및 장치
GB0419346D0 (en) * 2004-09-01 2004-09-29 Smyth Stephen M F Method and apparatus for improved headphone virtualisation
KR101118214B1 (ko) * 2004-09-21 2012-03-16 삼성전자주식회사 청취 위치를 고려한 2채널 가상 음향 재생 방법 및 장치
US7634092B2 (en) * 2004-10-14 2009-12-15 Dolby Laboratories Licensing Corporation Head related transfer functions for panned stereo audio content
US8718301B1 (en) * 2004-10-25 2014-05-06 Hewlett-Packard Development Company, L.P. Telescopic spatial radio system
KR100608025B1 (ko) * 2005-03-03 2006-08-02 삼성전자주식회사 2채널 헤드폰용 입체 음향 생성 방법 및 장치
DE102005010057A1 (de) * 2005-03-04 2006-09-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines codierten Stereo-Signals eines Audiostücks oder Audiodatenstroms
JP4988717B2 (ja) 2005-05-26 2012-08-01 エルジー エレクトロニクス インコーポレイティド オーディオ信号のデコーディング方法及び装置
US8577686B2 (en) 2005-05-26 2013-11-05 Lg Electronics Inc. Method and apparatus for decoding an audio signal
US20070044126A1 (en) * 2005-08-18 2007-02-22 Rockwell Collins, Inc. Wireless video entertainment system
CA2621175C (en) * 2005-09-13 2015-12-22 Srs Labs, Inc. Systems and methods for audio processing
EP1946296A4 (en) 2005-09-14 2010-01-20 Lg Electronics Inc METHOD AND DEVICE FOR DECODING AN AUDIO SIGNAL
NL1032538C2 (nl) 2005-09-22 2008-10-02 Samsung Electronics Co Ltd Apparaat en werkwijze voor het reproduceren van virtueel geluid van twee kanalen.
KR100739776B1 (ko) 2005-09-22 2007-07-13 삼성전자주식회사 입체 음향 생성 방법 및 장치
US20070110256A1 (en) * 2005-11-17 2007-05-17 Odi Audio equalizer headset
KR100739798B1 (ko) 2005-12-22 2007-07-13 삼성전자주식회사 청취 위치를 고려한 2채널 입체음향 재생 방법 및 장치
KR100677629B1 (ko) 2006-01-10 2007-02-02 삼성전자주식회사 다채널 음향 신호에 대한 2채널 입체 음향 생성 방법 및장치
US8239209B2 (en) 2006-01-19 2012-08-07 Lg Electronics Inc. Method and apparatus for decoding an audio signal using a rendering parameter
JP5199129B2 (ja) * 2006-02-07 2013-05-15 エルジー エレクトロニクス インコーポレイティド 符号化／復号化装置及び方法
RU2406164C2 (ru) * 2006-02-07 2010-12-10 ЭлДжи ЭЛЕКТРОНИКС ИНК. Устройство и способ для кодирования/декодирования сигнала
CN101385076B (zh) * 2006-02-07 2012-11-28 Lg电子株式会社 用于编码/解码信号的装置和方法
ES2407820T3 (es) 2006-02-23 2013-06-14 Lg Electronics Inc. Método y aparato para procesar una señal de audio
KR100754220B1 (ko) 2006-03-07 2007-09-03 삼성전자주식회사 Ｍｐｅｇ 서라운드를 위한 바이노럴 디코더 및 그 디코딩방법
EP1999745B1 (en) 2006-03-30 2016-08-31 LG Electronics Inc. Apparatuses and methods for processing an audio signal
ATE543343T1 (de) * 2006-04-03 2012-02-15 Srs Labs Inc Tonsignalverarbeitung
US20080235006A1 (en) 2006-08-18 2008-09-25 Lg Electronics, Inc. Method and Apparatus for Decoding an Audio Signal
JP2008141524A (ja) * 2006-12-01 2008-06-19 Fujitsu Ten Ltd 音響処理装置
KR101368859B1 (ko) * 2006-12-27 2014-02-27 삼성전자주식회사 개인 청각 특성을 고려한 2채널 입체 음향 재생 방법 및장치
US8363843B2 (en) 2007-03-01 2013-01-29 Apple Inc. Methods, modules, and computer-readable recording media for providing a multi-channel convolution reverb
DE102007051308B4 (de) * 2007-10-26 2013-05-16 Siemens Medical Instruments Pte. Ltd. Verfahren zum Verarbeiten eines Mehrkanalaudiosignals für ein binaurales Hörgerätesystem und entsprechendes Hörgerätesystem
CN102160115A (zh) 2008-09-19 2011-08-17 杜比实验室特许公司 对于资源受限客户机设备的上游质量增强信号处理
ATE552690T1 (de) 2008-09-19 2012-04-15 Dolby Lab Licensing Corp Upstream-signalverarbeitung für client- einrichtungen in einem drahtlosen kleinzellen- netz
TWI475896B (zh) 2008-09-25 2015-03-01 Dolby Lab Licensing Corp 單音相容性及揚聲器相容性之立體聲濾波器
EP2214425A1 (en) * 2009-01-28 2010-08-04 Auralia Emotive Media Systems S.L. Binaural audio guide
US8626810B2 (en) * 2009-05-15 2014-01-07 Texas Instruments Incorporated Method and system for finite impulse response (FIR) digital filtering
JP2011004264A (ja) * 2009-06-19 2011-01-06 Fujitsu Ltd ディジタル信号処理装置およびディジタル信号処理方法
WO2011044063A2 (en) * 2009-10-05 2011-04-14 Harman International Industries, Incorporated Multichannel audio system having audio channel compensation
DE102012200512B4 (de) * 2012-01-13 2013-11-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Berechnen von Lautsprechersignalen für eine Mehrzahl von Lautsprechern unter Verwendung einer Verzögerung im Frequenzbereich
CN102523553B (zh) * 2012-01-29 2014-02-19 昊迪移通(北京)技术有限公司 一种针对移动终端设备并基于声源内容的全息音频方法和装置
US10321252B2 (en) * 2012-02-13 2019-06-11 Axd Technologies, Llc Transaural synthesis method for sound spatialization
CN104956689B (zh) 2012-11-30 2017-07-04 Dts（英属维尔京群岛）有限公司 用于个性化音频虚拟化的方法和装置
US9794715B2 (en) 2013-03-13 2017-10-17 Dts Llc System and methods for processing stereo audio content
CN104982042B (zh) 2013-04-19 2018-06-08 韩国电子通信研究院 多信道音频信号处理装置及方法
WO2014171791A1 (ko) 2013-04-19 2014-10-23 한국전자통신연구원 다채널 오디오 신호 처리 장치 및 방법
US9420393B2 (en) 2013-05-29 2016-08-16 Qualcomm Incorporated Binaural rendering of spherical harmonic coefficients
US9431987B2 (en) * 2013-06-04 2016-08-30 Sony Interactive Entertainment America Llc Sound synthesis with fixed partition size convolution of audio signals
EP2830043A3 (en) 2013-07-22 2015-02-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for Processing an Audio Signal in accordance with a Room Impulse Response, Signal Processing Unit, Audio Encoder, Audio Decoder, and Binaural Renderer
US9319819B2 (en) 2013-07-25 2016-04-19 Etri Binaural rendering method and apparatus for decoding multi channel audio
FR3012247A1 (fr) * 2013-10-18 2015-04-24 Orange Spatialisation sonore avec effet de salle, optimisee en complexite
CN104681034A (zh) 2013-11-27 2015-06-03 杜比实验室特许公司 音频信号处理
US10425763B2 (en) * 2014-01-03 2019-09-24 Dolby Laboratories Licensing Corporation Generating binaural audio in response to multi-channel audio using at least one feedback delay network
CN104768121A (zh) 2014-01-03 2015-07-08 杜比实验室特许公司 响应于多通道音频通过使用至少一个反馈延迟网络产生双耳音频
JP6351538B2 (ja) * 2014-05-01 2018-07-04 ジーエヌ ヒアリング エー／エスＧＮ Ｈｅａｒｉｎｇ Ａ／Ｓ ディジタル音響信号用の多帯域信号プロセッサ
US9782672B2 (en) 2014-09-12 2017-10-10 Voyetra Turtle Beach, Inc. Gaming headset with enhanced off-screen awareness
US9654134B2 (en) * 2015-02-16 2017-05-16 Sound Devices Llc High dynamic range analog-to-digital conversion with selective regression based data repair
US10586553B2 (en) 2015-09-25 2020-03-10 Dolby Laboratories Licensing Corporation Processing high-definition audio data
US9734686B2 (en) * 2015-11-06 2017-08-15 Blackberry Limited System and method for enhancing a proximity warning sound
CN110089135A (zh) * 2016-10-19 2019-08-02 奥蒂布莱现实有限公司 用于生成音频映象的系统和方法
CN106875953B (zh) * 2017-01-11 2020-10-13 深圳市创成微电子有限公司 模拟混音音频处理方法及系统
CN107863095A (zh) 2017-11-21 2018-03-30 广州酷狗计算机科技有限公司 音频信号处理方法、装置和存储介质
CN108156561B (zh) * 2017-12-26 2020-08-04 广州酷狗计算机科技有限公司 音频信号的处理方法、装置及终端
CN108156575B (zh) 2017-12-26 2019-09-27 广州酷狗计算机科技有限公司 音频信号的处理方法、装置及终端
US11606663B2 (en) 2018-08-29 2023-03-14 Audible Reality Inc. System for and method of controlling a three-dimensional audio engine
CN109036457B (zh) 2018-09-10 2021-10-08 广州酷狗计算机科技有限公司 恢复音频信号的方法和装置
CN110312198B (zh) * 2019-07-08 2021-04-20 雷欧尼斯（北京）信息技术有限公司 用于数字影院的虚拟音源重定位方法及装置
CN112530391A (zh) * 2019-09-18 2021-03-19 张达林 一种自带数字信号处理的拾音器装置
CN115715470B (zh) 2019-12-30 2025-11-18 卡姆希尔公司 用于提供空间化声场的方法
JP7447533B2 (ja) * 2020-02-19 2024-03-12 ヤマハ株式会社 音信号処理方法および音信号処理装置
CN113035215B (zh) * 2021-02-02 2022-12-13 昆山海菲曼科技集团有限公司 一种音频信号处理芯片及耳机
US12408001B2 (en) 2023-06-16 2025-09-02 Harman International Industries, Incorporated Rendering of audio signals using virtualized reverberation
WO2025203218A1 (ja) * 2024-03-26 2025-10-02 Tdk株式会社 信号処理装置、信号処理方法、および非一過性記録媒体

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5491754A (en) * 1992-03-03 1996-02-13 France Telecom Method and system for artificial spatialisation of digital audio signals
US5596644A (en) * 1994-10-27 1997-01-21 Aureal Semiconductor Inc. Method and apparatus for efficient presentation of high-quality three-dimensional audio

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5724200A (en) * 1980-07-18 1982-02-08 Matsushita Electric Ind Co Ltd Indirect-sound generating circuit
DE3118473C2 (de) * 1981-05-09 1987-02-05 Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Verfahren zur Aufbereitung elektrischer Signale mit einer digitalen Filteranordnung
JPS62219898A (ja) * 1986-03-20 1987-09-28 Fujitsu Ltd 残響付加方式
JPH01144814A (ja) * 1987-12-01 1989-06-07 Matsushita Electric Ind Co Ltd 音場再生装置
JP2945724B2 (ja) * 1990-07-19 1999-09-06 松下電器産業株式会社 音場補正装置
JP3064471B2 (ja) * 1991-03-29 2000-07-12 ソニー株式会社 直交変換符号化方法及び逆直交変換復号化装置
JP3636361B2 (ja) * 1992-07-07 2005-04-06 レイク・テクノロジイ・リミテッド 高精度及び高効率を有するディジタルフィルタ
JP2870333B2 (ja) * 1992-11-26 1999-03-17 ヤマハ株式会社 音像定位制御装置
JP3335409B2 (ja) * 1993-03-12 2002-10-15 日本放送協会 残響付加装置
DE4328620C1 (de) * 1993-08-26 1995-01-19 Akg Akustische Kino Geraete Verfahren zur Simulation eines Raum- und/oder Klangeindrucks
US5438623A (en) * 1993-10-04 1995-08-01 The United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration Multi-channel spatialization system for audio signals
US5661812A (en) * 1994-03-08 1997-08-26 Sonics Associates, Inc. Head mounted surround sound system
JPH11503882A (ja) 1994-05-11 1999-03-30 オーリアル・セミコンダクター・インコーポレーテッド 複雑性を低減したイメージングフィルタを用いた３次元仮想オーディオ表現
JP3366448B2 (ja) * 1994-07-25 2003-01-14 松下電器産業株式会社 車載用音場補正装置
JPH0928000A (ja) * 1995-07-12 1997-01-28 Matsushita Electric Ind Co Ltd 信号処理装置
JPH0937400A (ja) * 1995-07-20 1997-02-07 Victor Co Of Japan Ltd 音像定位制御装置
JP3577798B2 (ja) * 1995-08-31 2004-10-13 ソニー株式会社 ヘッドホン装置
JP2993418B2 (ja) * 1996-01-19 1999-12-20 ヤマハ株式会社 音場効果装置
JP3657340B2 (ja) * 1996-02-22 2005-06-08 日本放送協会 インパルス応答生成装置
JP3327114B2 (ja) * 1996-04-24 2002-09-24 ソニー株式会社 信号処理装置、信号記録装置及び信号再生装置
EP1072089B1 (en) * 1998-03-25 2011-03-09 Dolby Laboratories Licensing Corp. Audio signal processing method and apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5491754A (en) * 1992-03-03 1996-02-13 France Telecom Method and system for artificial spatialisation of digital audio signals
US5596644A (en) * 1994-10-27 1997-01-21 Aureal Semiconductor Inc. Method and apparatus for efficient presentation of high-quality three-dimensional audio
US5802180A (en) * 1994-10-27 1998-09-01 Aureal Semiconductor Inc. Method and apparatus for efficient presentation of high-quality three-dimensional audio including ambient effects

Also Published As

Publication number Publication date
JP2011083018A (ja) 2011-04-21
CA2325482C (en) 2009-12-15
JP2002508616A (ja) 2002-03-19
JP2008058984A (ja) 2008-03-13
DE69943265D1 (de) 2011-04-21
CN1294782A (zh) 2001-05-09
KR20010042169A (ko) 2001-05-25
AU1743899A (en) 1999-10-18
ATE501606T1 (de) 2011-03-15
CN100353664C (zh) 2007-12-05
EP1072089A1 (en) 2001-01-31
EP1072089A4 (en) 2007-06-13
US6741706B1 (en) 2004-05-25
DK1072089T3 (da) 2011-06-27
CA2325482A1 (en) 1999-09-30
WO1999049574A1 (en) 1999-09-30
EP1072089B1 (en) 2011-03-09
JP4726875B2 (ja) 2011-07-20
KR100598003B1 (ko) 2006-07-06

Similar Documents

Publication Publication Date Title
AU751900B2 (en) Audio signal processing method and apparatus
KR100677119B1 (ko) 와이드 스테레오 재생 방법 및 그 장치
CN102281492B (zh) 头部相关传递函数生成装置、方法以及声音信号处理装置
US7613305B2 (en) Method for treating an electric sound signal
JP2012503943A (ja) モノフォニック対応およびラウドスピーカ対応のバイノーラルフィルタ
JP4434707B2 (ja) デジタル信号処理装置及びデジタル信号処理方法、並びにヘッドホン装置
US6563869B1 (en) Digital signal processing circuit and audio reproducing device using it
CN1717124B (zh) 声象定位装置
US20080152152A1 (en) Sound Image Localization Apparatus
JP2008502200A (ja) ワイドステレオ再生方法及びその装置
Liitola Headphone sound externalization
US20040264718A1 (en) Acoustic signal processing unit
CN1728891B (zh) 声音图像定位装置、方法和存储使信息处理器执行声音图像定位处理的声音图像定位程序的存储介质
US6721426B1 (en) Speaker device
JP2019050445A (ja) バイノーラル再生用の係数行列算出装置及びプログラム
JP3090416B2 (ja) 音像制御装置及び音像制御方法
ES2364471T3 (es) Procedimiento y aparato de procesamiento de señales de audio.
JP2002262400A (ja) 仮想音像定位処理装置及び処理方法並びに記録媒体
WO1998030064A1 (en) Processing audio signals
JP3197077B2 (ja) 定位音像生成装置
Sakamoto et al. Single DSP implementation of realtime 3D sound synthesis algorithm
Bellini et al. Car cockpit equalization by warping filters
Thaden et al. A Loudspeaker Management System with FIR/IIR Filtering
JP2007189530A (ja) ノイズキャンセルヘッドホンおよびヘッドホンにおけるノイズキャンセル方法
JPWO1995034883A1 (ja) 信号処理装置並びに音響再生装置

Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired