DE69633124D1 - Stereoeffektverbesserungssystem - Google Patents

Stereoeffektverbesserungssystem

Info

Publication number
DE69633124D1
DE69633124D1 DE69633124T DE69633124T DE69633124D1 DE 69633124 D1 DE69633124 D1 DE 69633124D1 DE 69633124 T DE69633124 T DE 69633124T DE 69633124 T DE69633124 T DE 69633124T DE 69633124 D1 DE69633124 D1 DE 69633124D1
Authority
DE
Germany
Prior art keywords
input signals
difference signal
right input
pair
improving system
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 - Lifetime
Application number
DE69633124T
Other languages
English (en)
Other versions
DE69633124T2 (de
Inventor
Arnold I Klayman
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.)
DTS LLC
Original Assignee
SRS Labs Inc
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 SRS Labs Inc filed Critical SRS Labs Inc
Publication of DE69633124D1 publication Critical patent/DE69633124D1/de
Application granted granted Critical
Publication of DE69633124T2 publication Critical patent/DE69633124T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04S2420/07—Synergistic effects of band splitting and sub-band processing
DE69633124T 1995-04-27 1996-04-26 Stereoeffektverbesserungssystem Expired - Lifetime DE69633124T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US430751 1995-04-27
US08/430,751 US5661808A (en) 1995-04-27 1995-04-27 Stereo enhancement system
PCT/US1996/005837 WO1996034509A1 (en) 1995-04-27 1996-04-26 Stereo enhancement system

Publications (2)

Publication Number Publication Date
DE69633124D1 true DE69633124D1 (de) 2004-09-16
DE69633124T2 DE69633124T2 (de) 2005-09-01

Family

ID=23708870

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69633124T Expired - Lifetime DE69633124T2 (de) 1995-04-27 1996-04-26 Stereoeffektverbesserungssystem

Country Status (10)

Country Link
US (6) US5661808A (de)
EP (1) EP0823189B1 (de)
JP (1) JP3964459B2 (de)
KR (1) KR100433642B1 (de)
CN (1) CN1053078C (de)
AT (1) ATE273606T1 (de)
AU (1) AU708727B2 (de)
BR (1) BR9604984A (de)
DE (1) DE69633124T2 (de)
WO (1) WO1996034509A1 (de)

Families Citing this family (113)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050259833A1 (en) * 1993-02-23 2005-11-24 Scarpino Frank A Frequency responses, apparatus and methods for the harmonic enhancement of audio signals
US6275593B1 (en) * 1996-05-10 2001-08-14 True Dimensional Sound, Inc. Apparatus and methods for the harmonic enhancement of electronic audio signals
US5661808A (en) * 1995-04-27 1997-08-26 Srs Labs, Inc. Stereo enhancement system
US5761313A (en) * 1995-06-30 1998-06-02 Philips Electronics North America Corp. Circuit for improving the stereo image separation of a stereo signal
US5850453A (en) * 1995-07-28 1998-12-15 Srs Labs, Inc. Acoustic correction apparatus
JP3107006B2 (ja) * 1996-09-30 2000-11-06 ヤマハ株式会社 音場拡大器
US5912976A (en) * 1996-11-07 1999-06-15 Srs Labs, Inc. Multi-channel audio enhancement system for use in recording and playback and methods for providing same
JP4478220B2 (ja) * 1997-05-29 2010-06-09 ソニー株式会社 音場補正回路
US6285767B1 (en) 1998-09-04 2001-09-04 Srs Labs, Inc. Low-frequency audio enhancement system
US6590983B1 (en) * 1998-10-13 2003-07-08 Srs Labs, Inc. Apparatus and method for synthesizing pseudo-stereophonic outputs from a monophonic input
US6169812B1 (en) 1998-10-14 2001-01-02 Francis Allen Miller Point source speaker system
US6993480B1 (en) 1998-11-03 2006-01-31 Srs Labs, Inc. Voice intelligibility enhancement system
US6631193B1 (en) * 1999-01-07 2003-10-07 Kentech Audio system enhancement using psycho acoustic matrix
US6947564B1 (en) 1999-01-11 2005-09-20 Thomson Licensing Stereophonic spatial expansion circuit with tonal compensation and active matrixing
US6449371B1 (en) * 1999-02-17 2002-09-10 Creative Technology Ltd. PC surround sound mixer
US6711265B1 (en) 1999-05-13 2004-03-23 Thomson Licensing, S.A. Centralizing of a spatially expanded stereophonic audio image
US7113609B1 (en) * 1999-06-04 2006-09-26 Zoran Corporation Virtual multichannel speaker system
WO2001022576A1 (en) * 1999-09-21 2001-03-29 Jeffrey James Coombs Loudspeaker frequency distribution and adjusting circuit
US6775385B1 (en) 1999-09-21 2004-08-10 James Loudspeaker, Llc Loudspeaker frequency distribution and adjusting circuit
US7031474B1 (en) * 1999-10-04 2006-04-18 Srs Labs, Inc. Acoustic correction apparatus
EP1232672A1 (de) * 1999-11-25 2002-08-21 Embracing Sound Experience AB Verfahren zur verarbeitung und wiedergabe eines stereosignals sowie system zur wiedergabe eines stereotonsignals
US7277767B2 (en) 1999-12-10 2007-10-02 Srs Labs, Inc. System and method for enhanced streaming audio
US6795740B1 (en) 2000-03-01 2004-09-21 Apple Computer, Inc. Rectifying overflow and underflow in equalized audio waveforms
AUPQ938000A0 (en) * 2000-08-14 2000-09-07 Moorthy, Surya Method and system for recording and reproduction of binaural sound
AU751831C (en) * 2000-08-14 2007-07-26 Maya Pelangi Sdn Bhd Method and system for recording and reproduction of binaural sound
US7457425B2 (en) * 2001-02-09 2008-11-25 Thx Ltd. Vehicle sound system
US7433483B2 (en) * 2001-02-09 2008-10-07 Thx Ltd. Narrow profile speaker configurations and systems
US7254239B2 (en) * 2001-02-09 2007-08-07 Thx Ltd. Sound system and method of sound reproduction
US6996239B2 (en) * 2001-05-03 2006-02-07 Harman International Industries, Inc. System for transitioning from stereo to simulated surround sound
GB2377869B (en) * 2001-07-17 2005-07-06 Sunplus Technology Co Ltd Stereo sound circuit device for providing three dimensional surrounding effect
US6999590B2 (en) * 2001-07-19 2006-02-14 Sunplus Technology Co., Ltd. Stereo sound circuit device for providing three-dimensional surrounding effect
DE50112650D1 (de) * 2001-09-21 2007-08-02 Siemens Ag Verfahren und vorrichtung zur steuerung der basswiedergabe von audiosignalen in elektroakustischen wandlern
US20030187529A1 (en) * 2002-04-01 2003-10-02 Lee Steven K. Computer audio system
KR20030084439A (ko) * 2002-04-26 2003-11-01 주식회사 디지탈웨이 휴대용 오디오 장치
FI118370B (fi) * 2002-11-22 2007-10-15 Nokia Corp Stereolaajennusverkon ulostulon ekvalisointi
SE527062C2 (sv) * 2003-07-21 2005-12-13 Embracing Sound Experience Ab Stereoljudbehandlingsmetod, -anordning och -system
US7522733B2 (en) * 2003-12-12 2009-04-21 Srs Labs, Inc. Systems and methods of spatial image enhancement of a sound source
US8363865B1 (en) 2004-05-24 2013-01-29 Heather Bottum Multiple channel sound system using multi-speaker arrays
KR100677119B1 (ko) 2004-06-04 2007-02-02 삼성전자주식회사 와이드 스테레오 재생 방법 및 그 장치
US7856240B2 (en) * 2004-06-07 2010-12-21 Clarity Technologies, Inc. Distributed sound enhancement
JP4509686B2 (ja) * 2004-07-29 2010-07-21 新日本無線株式会社 音響信号処理方法および装置
US11431312B2 (en) 2004-08-10 2022-08-30 Bongiovi Acoustics Llc System and method for digital signal processing
US10158337B2 (en) 2004-08-10 2018-12-18 Bongiovi Acoustics Llc System and method for digital signal processing
US8284955B2 (en) 2006-02-07 2012-10-09 Bongiovi Acoustics Llc System and method for digital signal processing
US10848118B2 (en) 2004-08-10 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
GB2419265B (en) 2004-10-18 2009-03-11 Wolfson Ltd Improved audio processing
TW200627999A (en) 2005-01-05 2006-08-01 Srs Labs Inc Phase compensation techniques to adjust for speaker deficiencies
US7676043B1 (en) * 2005-02-28 2010-03-09 Texas Instruments Incorporated Audio bandwidth expansion
WO2007033150A1 (en) * 2005-09-13 2007-03-22 Srs Labs, Inc. Systems and methods for audio processing
KR100750148B1 (ko) * 2005-12-22 2007-08-17 삼성전자주식회사 음성신호 제거 장치 및 그 방법
US10069471B2 (en) 2006-02-07 2018-09-04 Bongiovi Acoustics Llc System and method for digital signal processing
US10701505B2 (en) 2006-02-07 2020-06-30 Bongiovi Acoustics Llc. System, method, and apparatus for generating and digitally processing a head related audio transfer function
US11202161B2 (en) 2006-02-07 2021-12-14 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
US10848867B2 (en) 2006-02-07 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
WO2007123788A2 (en) * 2006-04-03 2007-11-01 Srs Labs, Inc. Audio signal processing
SE530180C2 (sv) * 2006-04-19 2008-03-18 Embracing Sound Experience Ab Högtalaranordning
US8050434B1 (en) 2006-12-21 2011-11-01 Srs Labs, Inc. Multi-channel audio enhancement system
RU2440627C2 (ru) 2007-02-26 2012-01-20 Долби Лэборетериз Лайсенсинг Корпорейшн Повышение разборчивости речи в звукозаписи развлекательных программ
WO2008112571A1 (en) * 2007-03-09 2008-09-18 Srs Labs, Inc. Frequency-warped audio equalizer
US8181865B2 (en) * 2007-04-24 2012-05-22 Freedom Shopping, Inc. Radio frequency identification point of sale unassisted retail transaction and digital media kiosk
JP2008283385A (ja) * 2007-05-09 2008-11-20 Toshiba Corp 雑音抑制装置
US20080285762A1 (en) * 2007-05-15 2008-11-20 Keiichi Iwamoto Point source speaker systems
US8121318B1 (en) * 2008-05-08 2012-02-21 Ambourn Paul R Two channel audio surround sound circuit with automatic level control
US20100027799A1 (en) * 2008-07-31 2010-02-04 Sony Ericsson Mobile Communications Ab Asymmetrical delay audio crosstalk cancellation systems, methods and electronic devices including the same
US9380385B1 (en) 2008-11-14 2016-06-28 That Corporation Compressor based dynamic bass enhancement with EQ
US20100331048A1 (en) * 2009-06-25 2010-12-30 Qualcomm Incorporated M-s stereo reproduction at a device
US8207062B2 (en) * 2009-09-09 2012-06-26 Novellus Systems, Inc. Method for improving adhesion of low resistivity tungsten/tungsten nitride layers
US8259960B2 (en) 2009-09-11 2012-09-04 BSG Laboratory, LLC Phase layering apparatus and method for a complete audio signal
EP2494792B1 (de) * 2009-10-27 2014-08-06 Phonak AG Verfahren und System zur Sprachverbesserung
EP2522156B1 (de) * 2010-01-07 2014-08-06 THAT Corporation Kompressorbasierte verbesserung des dynamischen basses mit eq
US9628930B2 (en) 2010-04-08 2017-04-18 City University Of Hong Kong Audio spatial effect enhancement
EP2578000A1 (de) * 2010-06-02 2013-04-10 Koninklijke Philips Electronics N.V. System und verfahren für tonverarbeitung
US8284957B2 (en) 2010-07-12 2012-10-09 Creative Technology Ltd Method and apparatus for stereo enhancement of an audio system
KR101827032B1 (ko) 2010-10-20 2018-02-07 디티에스 엘엘씨 스테레오 영상 확대 시스템
US9456289B2 (en) 2010-11-19 2016-09-27 Nokia Technologies Oy Converting multi-microphone captured signals to shifted signals useful for binaural signal processing and use thereof
US9313599B2 (en) * 2010-11-19 2016-04-12 Nokia Technologies Oy Apparatus and method for multi-channel signal playback
US9055371B2 (en) 2010-11-19 2015-06-09 Nokia Technologies Oy Controllable playback system offering hierarchical playback options
US20120148075A1 (en) * 2010-12-08 2012-06-14 Creative Technology Ltd Method for optimizing reproduction of audio signals from an apparatus for audio reproduction
WO2012094335A1 (en) 2011-01-04 2012-07-12 Srs Labs, Inc. Immersive audio rendering system
CN102739348B (zh) * 2011-04-14 2015-04-15 浙江博凯仪表有限公司 一种解码电路
EP2523473A1 (de) * 2011-05-11 2012-11-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Erzeugung eines Ausgabesignals mithilfe einer Dekompositionsvorrichtung
US9164724B2 (en) 2011-08-26 2015-10-20 Dts Llc Audio adjustment system
EP2759148A4 (de) * 2011-09-19 2014-10-08 Huawei Tech Co Ltd Verfahren und vorrichtung zur erzeugung eines akustischen signals mit verbessertem räumlichem effekt
WO2013057948A1 (ja) 2011-10-21 2013-04-25 パナソニック株式会社 音響レンダリング装置および音響レンダリング方法
WO2013101605A1 (en) 2011-12-27 2013-07-04 Dts Llc Bass enhancement system
US10148903B2 (en) 2012-04-05 2018-12-04 Nokia Technologies Oy Flexible spatial audio capture apparatus
WO2014144968A1 (en) 2013-03-15 2014-09-18 O'polka Richard Portable sound system
US10149058B2 (en) 2013-03-15 2018-12-04 Richard O'Polka Portable sound system
US10635383B2 (en) 2013-04-04 2020-04-28 Nokia Technologies Oy Visual audio processing apparatus
US9706324B2 (en) 2013-05-17 2017-07-11 Nokia Technologies Oy Spatial object oriented audio apparatus
WO2014190140A1 (en) * 2013-05-23 2014-11-27 Alan Kraemer Headphone audio enhancement system
US9264004B2 (en) 2013-06-12 2016-02-16 Bongiovi Acoustics Llc System and method for narrow bandwidth digital signal processing
US9883318B2 (en) 2013-06-12 2018-01-30 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
US9398394B2 (en) * 2013-06-12 2016-07-19 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
US9906858B2 (en) 2013-10-22 2018-02-27 Bongiovi Acoustics Llc System and method for digital signal processing
CN104811838B (zh) 2013-12-30 2020-02-18 骷髅头有限公司 用于立体声触觉振动的耳机以及相关系统和方法
US9344825B2 (en) 2014-01-29 2016-05-17 Tls Corp. At least one of intelligibility or loudness of an audio program
US9326086B2 (en) 2014-02-21 2016-04-26 City University Of Hong Kong Neural induced enhancement of audio signals
USD740784S1 (en) 2014-03-14 2015-10-13 Richard O'Polka Portable sound device
US10820883B2 (en) 2014-04-16 2020-11-03 Bongiovi Acoustics Llc Noise reduction assembly for auscultation of a body
US9615813B2 (en) 2014-04-16 2017-04-11 Bongiovi Acoustics Llc. Device for wide-band auscultation
US10639000B2 (en) 2014-04-16 2020-05-05 Bongiovi Acoustics Llc Device for wide-band auscultation
US9588490B2 (en) 2014-10-21 2017-03-07 City University Of Hong Kong Neural control holography
US9638672B2 (en) 2015-03-06 2017-05-02 Bongiovi Acoustics Llc System and method for acquiring acoustic information from a resonating body
KR101944758B1 (ko) * 2015-04-24 2019-02-01 후아웨이 테크놀러지 컴퍼니 리미티드 스테레오 신호의 스테레오 이미지를 수정하기 위한 오디오 신호 처리 장치 및 방법
WO2017087495A1 (en) 2015-11-16 2017-05-26 Bongiovi Acoustics Llc Surface acoustic transducer
US9621994B1 (en) 2015-11-16 2017-04-11 Bongiovi Acoustics Llc Surface acoustic transducer
JP2019530312A (ja) * 2016-10-04 2019-10-17 オムニオ、サウンド、リミテッドＯｍｎｉｏ Ｓｏｕｎｄ Ｌｉｍｉｔｅｄ ステレオ展開技術
TWI634549B (zh) 2017-08-24 2018-09-01 瑞昱半導體股份有限公司 音訊強化裝置及方法
CN112236812A (zh) 2018-04-11 2021-01-15 邦吉欧维声学有限公司 音频增强听力保护系统
WO2020028833A1 (en) 2018-08-02 2020-02-06 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
CN117528391A (zh) 2019-01-08 2024-02-06 瑞典爱立信有限公司 用于虚拟现实的有效空间异质音频元素
US11218805B2 (en) 2019-11-01 2022-01-04 Roku, Inc. Managing low frequencies of an output signal

Family Cites Families (120)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3249696A (en) * 1961-10-16 1966-05-03 Zenith Radio Corp Simplified extended stereo
US3229038A (en) 1961-10-31 1966-01-11 Rca Corp Sound signal transforming system
US3246081A (en) * 1962-03-21 1966-04-12 William C Edwards Extended stereophonic systems
US3238304A (en) 1962-09-24 1966-03-01 Victor Company Of Japan Stereophonic effect emphasizing system
FI35014A (fi) * 1962-12-13 1965-05-10 Äänentoistojärjestelmä
US3170991A (en) * 1963-11-27 1965-02-23 Glasgal Ralph System for stereo separation ratio control, elimination of cross-talk and the like
US3892624A (en) * 1970-02-03 1975-07-01 Sony Corp Stereophonic sound reproducing system
US3665105A (en) * 1970-03-09 1972-05-23 Univ Leland Stanford Junior Method and apparatus for simulating location and movement of sound
US3860951A (en) 1970-05-04 1975-01-14 Marvin Camras Video transducing apparatus
US3757047A (en) * 1970-05-21 1973-09-04 Sansui Electric Co Four channel sound reproduction system
CA942198A (en) * 1970-09-15 1974-02-19 Kazuho Ohta Multidimensional stereophonic reproducing system
NL172815B (nl) * 1971-04-13 Sony Corp Meervoudige geluidweergeefinrichting.
US3761631A (en) * 1971-05-17 1973-09-25 Sansui Electric Co Synthesized four channel sound using phase modulation techniques
US3697692A (en) * 1971-06-10 1972-10-10 Dynaco Inc Two-channel,four-component stereophonic system
GB1398786A (en) 1971-08-06 1975-06-25 Sony Corp Multisignal transmission apparatus
US4152542A (en) 1971-10-06 1979-05-01 Cooper Duane P Multichannel matrix logic and encoding systems
US4085291A (en) 1971-10-06 1978-04-18 Cooper Duane H Synthetic supplementary channel matrix decoding systems
US3772479A (en) * 1971-10-19 1973-11-13 Motorola Inc Gain modified multi-channel audio system
JPS5313962B2 (de) * 1971-12-21 1978-05-13
JPS4889702A (de) 1972-02-25 1973-11-22
US4316058A (en) 1972-05-09 1982-02-16 Rca Corporation Sound field transmission system surrounding a listener
US3883692A (en) 1972-06-16 1975-05-13 Sony Corp Decoder apparatus with logic circuit for use with a four channel stereo
US3916104A (en) 1972-08-01 1975-10-28 Nippon Columbia Sound signal changing circuit
JPS5251764Y2 (de) * 1972-10-13 1977-11-25
DE2253696B1 (de) 1972-11-02 1974-02-21 Electroacustic Gmbh, 2300 Kiel Verfahren zur verringerung von stoerspannungen bei mehrkanaliger wiedergabe von akustischen darbietungen
GB1450533A (en) * 1972-11-08 1976-09-22 Ferrograph Co Ltd Stereo sound reproducing apparatus
US3989897A (en) 1974-10-25 1976-11-02 Carver R W Method and apparatus for reducing noise content in audio signals
GB1522599A (en) * 1974-11-16 1978-08-23 Dolby Laboratories Inc Centre channel derivation for stereophonic cinema sound
US4268915A (en) 1975-06-02 1981-05-19 Motorola, Inc. Universal automotive electronic radio with display for tuning or time information
US4135158A (en) 1975-06-02 1979-01-16 Motorola, Inc. Universal automotive electronic radio
JPS51144202A (en) * 1975-06-05 1976-12-11 Sony Corp Stereophonic sound reproduction process
US4087631A (en) 1975-07-01 1978-05-02 Matsushita Electric Industrial Co., Ltd. Projected sound localization headphone apparatus
US4219695A (en) * 1975-07-07 1980-08-26 International Communication Sciences Noise estimation system for use in speech analysis
US4097689A (en) 1975-08-19 1978-06-27 Matsushita Electric Industrial Co., Ltd. Out-of-head localization headphone listening device
US4030342A (en) 1975-09-18 1977-06-21 The Board Of Trustees Of Leland Stanford Junior University Acoustic microscope for scanning an object stereo-optically and with dark field imaging
US4185239A (en) 1976-01-02 1980-01-22 Filloux Jean H Super sharp and stable, extremely low power and minimal size optical null detector
US4087629A (en) 1976-01-14 1978-05-02 Matsushita Electric Industrial Co., Ltd. Binaural sound reproducing system with acoustic reverberation unit
US4118599A (en) * 1976-02-27 1978-10-03 Victor Company Of Japan, Limited Stereophonic sound reproduction system
JPS52125301A (en) * 1976-04-13 1977-10-21 Victor Co Of Japan Ltd Signal processing circuit
US4027101A (en) 1976-04-26 1977-05-31 Hybrid Systems Corporation Simulation of reverberation in audio signals
US4063034A (en) * 1976-05-10 1977-12-13 Industrial Research Products, Inc. Audio system with enhanced spatial effect
US4149036A (en) 1976-05-19 1979-04-10 Nippon Columbia Kabushikikaisha Crosstalk compensating circuit
JPS533801A (en) 1976-06-30 1978-01-13 Cooper Duane H Multichannel matrix logical system and encoding system
DE2736558A1 (de) 1976-08-17 1978-02-23 Novanex Automation Nv Phasenstereosystem
JPS53114201U (de) * 1977-02-18 1978-09-11
US4188504A (en) 1977-04-25 1980-02-12 Victor Company Of Japan, Limited Signal processing circuit for binaural signals
US4209665A (en) 1977-08-29 1980-06-24 Victor Company Of Japan, Limited Audio signal translation for loudspeaker and headphone sound reproduction
JPS5832840B2 (ja) * 1977-09-10 1983-07-15 日本ビクター株式会社 立体音場拡大装置
US4214267A (en) 1977-11-23 1980-07-22 Roese John A Stereofluoroscopy system
NL7713076A (nl) * 1977-11-28 1979-05-30 Johannes Cornelis Maria Van De Werkwijze en inrichting voor het opnemen van geluid en/of voor het bewerken van geluid voor- afgaande aan het weergeven daarvan.
US4162457A (en) 1977-12-30 1979-07-24 Grodinsky Robert M Expansion circuit for improved stereo and apparent monaural image
US4237343A (en) * 1978-02-09 1980-12-02 Kurtin Stephen L Digital delay/ambience processor
US4204092A (en) 1978-04-11 1980-05-20 Bruney Paul F Audio image recovery system
JPS5813670Y2 (ja) 1978-06-21 1983-03-16 日本ビクター株式会社 パイノ−ラル信号収音用の擬似耳介
US4352953A (en) 1978-09-11 1982-10-05 Samuel Emmer Multichannel non-discrete audio reproduction system
US4334740A (en) 1978-09-12 1982-06-15 Polaroid Corporation Receiving system having pre-selected directional response
US4332979A (en) * 1978-12-19 1982-06-01 Fischer Mark L Electronic environmental acoustic simulator
US4239937A (en) * 1979-01-02 1980-12-16 Kampmann Frank S Stereo separation control
US4251688A (en) 1979-01-15 1981-02-17 Ana Maria Furner Audio-digital processing system for demultiplexing stereophonic/quadriphonic input audio signals into 4-to-72 output audio signals
US4239939A (en) 1979-03-09 1980-12-16 Rca Corporation Stereophonic sound synthesizer
US4309570A (en) * 1979-04-05 1982-01-05 Carver R W Dimensional sound recording and apparatus and method for producing the same
US4218585A (en) * 1979-04-05 1980-08-19 Carver R W Dimensional sound producing apparatus and method
JPS5811159B2 (ja) 1979-05-18 1983-03-01 松下電器産業株式会社 車載用音響再生装置
US4303800A (en) * 1979-05-24 1981-12-01 Analog And Digital Systems, Inc. Reproducing multichannel sound
JPS5931279B2 (ja) * 1979-06-19 1984-08-01 日本ビクター株式会社 信号変換回路
US4388494A (en) 1980-01-12 1983-06-14 Schoene Peter Process and apparatus for improved dummy head stereophonic reproduction
JPS56130400U (de) * 1980-03-04 1981-10-03
US4355203A (en) * 1980-03-12 1982-10-19 Cohen Joel M Stereo image separation and perimeter enhancement
US4356349A (en) * 1980-03-12 1982-10-26 Trod Nossel Recording Studios, Inc. Acoustic image enhancing method and apparatus
US4308423A (en) * 1980-03-12 1981-12-29 Cohen Joel M Stereo image separation and perimeter enhancement
US4308424A (en) * 1980-04-14 1981-12-29 Bice Jr Robert G Simulated stereo from a monaural source sound reproduction system
JPS575500A (en) 1980-06-12 1982-01-12 Mitsubishi Electric Corp Acoustic reproducing device
JPS575499A (en) * 1980-06-12 1982-01-12 Mitsubishi Electric Corp Acoustic reproducing device
JPS5748881A (en) 1980-09-08 1982-03-20 Pioneer Electronic Corp Video format signal recording and playback system
US4479235A (en) * 1981-05-08 1984-10-23 Rca Corporation Switching arrangement for a stereophonic sound synthesizer
US4553176A (en) 1981-12-31 1985-11-12 Mendrala James A Video recording and film printing system quality-compatible with widescreen cinema
CA1206619A (en) * 1982-01-29 1986-06-24 Frank T. Check, Jr. Electronic postage meter having redundant memory
US4489432A (en) * 1982-05-28 1984-12-18 Polk Audio, Inc. Method and apparatus for reproducing sound having a realistic ambient field and acoustic image
US4599611A (en) 1982-06-02 1986-07-08 Digital Equipment Corporation Interactive computer-based information display system
US4457012A (en) * 1982-06-03 1984-06-26 Carver R W FM Stereo apparatus and method
US4495637A (en) * 1982-07-23 1985-01-22 Sci-Coustics, Inc. Apparatus and method for enhanced psychoacoustic imagery using asymmetric cross-channel feed
US4497064A (en) * 1982-08-05 1985-01-29 Polk Audio, Inc. Method and apparatus for reproducing sound having an expanded acoustic image
US5412731A (en) * 1982-11-08 1995-05-02 Desper Products, Inc. Automatic stereophonic manipulation system and apparatus for image enhancement
US4567607A (en) * 1983-05-03 1986-01-28 Stereo Concepts, Inc. Stereo image recovery
US4503554A (en) * 1983-06-03 1985-03-05 Dbx, Inc. Stereophonic balance control system
DE3331352A1 (de) * 1983-08-31 1985-03-14 Blaupunkt-Werke Gmbh, 3200 Hildesheim Schaltungsanordnung und verfahren fuer wahlweisen mono- und stereo-ton-betrieb von ton- und bildrundfunkemfaengern und -recordern
US4549228A (en) 1983-11-30 1985-10-22 Rca Corporation Video disc encoding and decoding system providing intra-field track error correction
US4562487A (en) 1983-12-30 1985-12-31 Rca Corporation Video disc encoding and decoding system providing intra-infield track error correction
US4546389A (en) 1984-01-03 1985-10-08 Rca Corporation Video disc encoding and decoding system providing intra-field track error correction
US4589129A (en) * 1984-02-21 1986-05-13 Kintek, Inc. Signal decoding system
US4551770A (en) 1984-04-06 1985-11-05 Rca Corporation Video disc encoding and decoding system providing intra-field track error correction
US4594730A (en) * 1984-04-18 1986-06-10 Rosen Terry K Apparatus and method for enhancing the perceived sound image of a sound signal by source localization
US4569074A (en) * 1984-06-01 1986-02-04 Polk Audio, Inc. Method and apparatus for reproducing sound having a realistic ambient field and acoustic image
US4594610A (en) * 1984-10-15 1986-06-10 Rca Corporation Camera zoom compensator for television stereo audio
JPS61166696A (ja) * 1985-01-18 1986-07-28 株式会社東芝 デジタル表示装置
US4683496A (en) 1985-08-23 1987-07-28 The Analytic Sciences Corporation System for and method of enhancing images using multiband information
US4748669A (en) * 1986-03-27 1988-05-31 Hughes Aircraft Company Stereo enhancement system
US4811325A (en) * 1987-10-15 1989-03-07 Personics Corporation High-speed reproduction facility for audio programs
US4893342A (en) 1987-10-15 1990-01-09 Cooper Duane H Head diffraction compensated stereo system
JPH0744759B2 (ja) * 1987-10-29 1995-05-15 ヤマハ株式会社 音場制御装置
US5144670A (en) * 1987-12-09 1992-09-01 Canon Kabushiki Kaisha Sound output system
JPH0720319B2 (ja) * 1988-08-12 1995-03-06 三洋電機株式会社 センターモードコントロール回路
US5208860A (en) * 1988-09-02 1993-05-04 Qsound Ltd. Sound imaging method and apparatus
US5105462A (en) * 1989-08-28 1992-04-14 Qsound Ltd. Sound imaging method and apparatus
US5046097A (en) * 1988-09-02 1991-09-03 Qsound Ltd. Sound imaging process
US4866774A (en) * 1988-11-02 1989-09-12 Hughes Aircraft Company Stero enhancement and directivity servo
JPH0623119Y2 (ja) * 1989-01-24 1994-06-15 パイオニア株式会社 サラウンド方式ステレオ再生装置
US5172415A (en) * 1990-06-08 1992-12-15 Fosgate James W Surround processor
US5251260A (en) * 1991-08-07 1993-10-05 Hughes Aircraft Company Audio surround system with stereo enhancement and directivity servos
US5255326A (en) * 1992-05-18 1993-10-19 Alden Stevenson Interactive audio control system
US5319713A (en) * 1992-11-12 1994-06-07 Rocktron Corporation Multi dimensional sound circuit
GB2277855B (en) * 1993-05-06 1997-12-10 S S Stereo P Limited Audio signal reproducing apparatus
US5400405A (en) * 1993-07-02 1995-03-21 Harman Electronics, Inc. Audio image enhancement system
DE69433258T2 (de) * 1993-07-30 2004-07-01 Victor Company of Japan, Ltd., Yokohama Raumklangsignalverarbeitungsvorrichtung
US5533129A (en) * 1994-08-24 1996-07-02 Gefvert; Herbert I. Multi-dimensional sound reproduction system
JP3276528B2 (ja) * 1994-08-24 2002-04-22 シャープ株式会社 音像拡大装置
US5832438A (en) * 1995-02-08 1998-11-03 Sun Micro Systems, Inc. Apparatus and method for audio computing
US5661808A (en) * 1995-04-27 1997-08-26 Srs Labs, Inc. Stereo enhancement system
US5692050A (en) 1995-06-15 1997-11-25 Binaura Corporation Method and apparatus for spatially enhancing stereo and monophonic signals
US5850453A (en) * 1995-07-28 1998-12-15 Srs Labs, Inc. Acoustic correction apparatus

Also Published As

Publication number Publication date
US20100098259A1 (en) 2010-04-22
US6597791B1 (en) 2003-07-22
ATE273606T1 (de) 2004-08-15
JPH11504478A (ja) 1999-04-20
AU708727B2 (en) 1999-08-12
EP0823189A2 (de) 1998-02-11
MX9708260A (es) 1998-06-28
BR9604984A (pt) 1999-11-30
CN1053078C (zh) 2000-05-31
JP3964459B2 (ja) 2007-08-22
EP0823189B1 (de) 2004-08-11
KR19990008110A (ko) 1999-01-25
US20080013741A1 (en) 2008-01-17
US5661808A (en) 1997-08-26
US5892830A (en) 1999-04-06
US7636443B2 (en) 2009-12-22
WO1996034509A1 (en) 1996-10-31
AU5578496A (en) 1996-11-18
DE69633124T2 (de) 2005-09-01
KR100433642B1 (ko) 2004-07-16
US20040005063A1 (en) 2004-01-08
CN1173268A (zh) 1998-02-11

Similar Documents

Publication Publication Date Title
DE69633124D1 (de) Stereoeffektverbesserungssystem
US4209665A (en) Audio signal translation for loudspeaker and headphone sound reproduction
US4408095A (en) Acoustic apparatus
CN100566458C (zh) 声信号处理方法与装置
GB1437129A (en) Method and apparatus for imparting to headphones the sound- reproducing characteristics of loudspeakers
MX9800784A (es) Aparato de correccion acustica.
US4567607A (en) Stereo image recovery
WO1989000802A1 (en) Extended imaging split mode loudspeaker system
AU1312399A (en) Feedback cancellation apparatus and methods
ATE311733T1 (de) Mehrweg-audiodekoder
ATE274785T1 (de) Niederfrequenz-audioverbesserungssystem
US4359605A (en) Monaural signal to artificial stereo signals convertings and processing circuit for headphones
US5604809A (en) Sound field control system
DE69325922D1 (de) Schallbildverarbeitungsvorrichtung zur schallbildverbesserung
SE0302110L (sv) Stereoljudbehandlingsmetod, -anordning och -system
US6999590B2 (en) Stereo sound circuit device for providing three-dimensional surrounding effect
CA2219790A1 (en) Stereo enhancement system
US6421447B1 (en) Method of generating surround sound with channels processing separately
KR930004104B1 (ko) 음향기기의 스테레오 확장회로
GB2003706A (en) Audio signal translation for loudspeaker and headphone sound reproduction
KR970032269A (ko) 입체사운드 처리 시스템
SU606231A1 (ru) Устройство дл создани объемного звучани
TH33499A (th) ระบบการเพิ่มประสิทธิภาพเสียงสเตริโอ
KR920002607Y1 (ko) 다중 스피커 헤드폰
JPS6417596A (en) Voice processor for earmuff

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
R082 Change of representative

Ref document number: 823189

Country of ref document: EP

Representative=s name: VONNEMANN, KLOIBER & KOLLEGEN, DE

R081 Change of applicant/patentee

Ref document number: 823189

Country of ref document: EP

Owner name: DTS LLC (N. D. GES. D. STAATES DELAWARE), US

Free format text: FORMER OWNER: SRS LABS, INC., SANTA ANA, US

Effective date: 20121116

R082 Change of representative

Ref document number: 823189

Country of ref document: EP

Representative=s name: VONNEMANN, KLOIBER & KOLLEGEN, DE

Effective date: 20121116