HK1002150A1 - Stereo enhancement and directivity servo - Google Patents

Stereo enhancement and directivity servo

Info

Publication number
HK1002150A1
HK1002150A1 HK98100378A HK98100378A HK1002150A1 HK 1002150 A1 HK1002150 A1 HK 1002150A1 HK 98100378 A HK98100378 A HK 98100378A HK 98100378 A HK98100378 A HK 98100378A HK 1002150 A1 HK1002150 A1 HK 1002150A1
Authority
HK
Hong Kong
Prior art keywords
stereo enhancement
directivity servo
directivity
servo
stereo
Prior art date
Application number
HK98100378A
Other languages
English (en)
Inventor
Arnold I Klayman
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 HK1002150A1 publication Critical patent/HK1002150A1/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S1/00Two-channel systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S1/00Two-channel systems
    • H04S1/002Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30Control circuits for electronic adaptation of the sound field
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30Control circuits for electronic adaptation of the sound field
    • H04S7/307Frequency adjustment, e.g. tone control

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
HK98100378A 1988-11-02 1998-01-16 Stereo enhancement and directivity servo HK1002150A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/266,467 US4866774A (en) 1988-11-02 1988-11-02 Stero enhancement and directivity servo
PCT/US1989/003942 WO1990005438A1 (en) 1988-11-02 1989-09-14 Stereo enhancement and directivity servo

Publications (1)

Publication Number Publication Date
HK1002150A1 true HK1002150A1 (en) 1998-07-31

Family

ID=23014704

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98100378A HK1002150A1 (en) 1988-11-02 1998-01-16 Stereo enhancement and directivity servo

Country Status (9)

Country Link
US (1) US4866774A (ja)
EP (2) EP0400106B1 (ja)
JP (1) JP3046319B2 (ja)
KR (1) KR930004933B1 (ja)
AU (1) AU614191B2 (ja)
CA (1) CA1309031C (ja)
DE (1) DE68928180T2 (ja)
HK (1) HK1002150A1 (ja)
WO (1) WO1990005438A1 (ja)

Families Citing this family (89)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9000338A (nl) * 1989-06-02 1991-01-02 Koninkl Philips Electronics Nv Digitaal transmissiesysteem, zender en ontvanger te gebruiken in het transmissiesysteem en registratiedrager verkregen met de zender in de vorm van een optekeninrichting.
US5550925A (en) * 1991-01-07 1996-08-27 Canon Kabushiki Kaisha Sound processing device
US5251260A (en) * 1991-08-07 1993-10-05 Hughes Aircraft Company Audio surround system with stereo enhancement and directivity servos
JPH05130699A (ja) * 1991-11-08 1993-05-25 Sony Corp 音声再生装置
KR940011504B1 (ko) * 1991-12-07 1994-12-19 삼성전자주식회사 2채널 음장재생 장치 및 방법
US5274708A (en) * 1992-06-01 1993-12-28 Fusan Labs, Inc. Digital stereo sound enhancement unit and method
US6275593B1 (en) * 1996-05-10 2001-08-14 True Dimensional Sound, Inc. Apparatus and methods for the harmonic enhancement of electronic audio signals
US20050259833A1 (en) * 1993-02-23 2005-11-24 Scarpino Frank A Frequency responses, apparatus and methods for the harmonic enhancement of audio signals
US5487113A (en) * 1993-11-12 1996-01-23 Spheric Audio Laboratories, Inc. Method and apparatus for generating audiospatial effects
DE4435224A1 (de) * 1994-09-30 1996-04-04 Nokia Deutschland Gmbh Tonwiedergabeanordnung
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
US5930370A (en) * 1995-09-07 1999-07-27 Rep Investment Limited Liability In-home theater surround sound speaker system
US6118876A (en) * 1995-09-07 2000-09-12 Rep Investment Limited Liability Company Surround sound speaker system for improved spatial effects
US5708719A (en) * 1995-09-07 1998-01-13 Rep Investment Limited Liability Company In-home theater surround sound speaker system
US5677957A (en) * 1995-11-13 1997-10-14 Hulsebus; Alan Audio circuit producing enhanced ambience
US6130954A (en) * 1996-01-02 2000-10-10 Carver; Robert W. High back-emf, high pressure subwoofer having small volume cabinet, low frequency cutoff and pressure resistant surround
RU2106073C1 (ru) * 1996-02-12 1998-02-27 Владимир Анатольевич Ефремов Пространственная звуковоспроизводящая система
KR0175515B1 (ko) * 1996-04-15 1999-04-01 김광호 테이블 조사 방식의 스테레오 구현 장치와 방법
US5970152A (en) * 1996-04-30 1999-10-19 Srs Labs, Inc. Audio enhancement system for use in a surround sound environment
US5878145A (en) * 1996-06-11 1999-03-02 Analog Devices, Inc. Electronic circuit and process for creation of three-dimensional audio effects and corresponding sound recording
EP0919107A1 (en) 1996-08-12 1999-06-02 CARVER, Robert Weir High back emf, high pressure subwoofer
US5917917A (en) * 1996-09-13 1999-06-29 Crystal Semiconductor Corporation Reduced-memory reverberation simulator in a sound synthesizer
US5744739A (en) * 1996-09-13 1998-04-28 Crystal Semiconductor Wavetable synthesizer and operating method using a variable sampling rate approximation
US6096960A (en) * 1996-09-13 2000-08-01 Crystal Semiconductor Corporation Period forcing filter for preprocessing sound samples for usage in a wavetable synthesizer
US5889820A (en) * 1996-10-08 1999-03-30 Analog Devices, Inc. SPDIF-AES/EBU digital audio data recovery
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
TW388183B (en) * 1996-11-08 2000-04-21 Koninkl Philips Electronics Nv An arrangement, a system, a circuit and a method for enhancing a stereo image
JP3663461B2 (ja) 1997-03-13 2005-06-22 スリーエス テック カンパニー リミテッド 周波数選択的空間感向上システム
US6281749B1 (en) 1997-06-17 2001-08-28 Srs Labs, Inc. Sound enhancement system
US6088461A (en) * 1997-09-26 2000-07-11 Crystal Semiconductor Corporation Dynamic volume control system
US6091824A (en) * 1997-09-26 2000-07-18 Crystal Semiconductor Corporation Reduced-memory early reflection and reverberation simulator and method
US6823072B1 (en) * 1997-12-08 2004-11-23 Thomson Licensing S.A. Peak to peak signal detector for audio system
US6285767B1 (en) 1998-09-04 2001-09-04 Srs Labs, Inc. Low-frequency audio enhancement system
US6448846B2 (en) * 1998-10-01 2002-09-10 Stephen R. Schwartz Controlled phase-canceling circuits/systems
US6590983B1 (en) 1998-10-13 2003-07-08 Srs Labs, Inc. Apparatus and method for synthesizing pseudo-stereophonic outputs from a monophonic input
US6993480B1 (en) 1998-11-03 2006-01-31 Srs Labs, Inc. Voice intelligibility enhancement system
US6947564B1 (en) 1999-01-11 2005-09-20 Thomson Licensing Stereophonic spatial expansion circuit with tonal compensation and active matrixing
WO2000070913A2 (en) * 1999-05-13 2000-11-23 Thomson Licensing S.A. Centralizing of a spatially expanded stereophonic audio image
US6711265B1 (en) 1999-05-13 2004-03-23 Thomson Licensing, S.A. Centralizing of a spatially expanded stereophonic audio image
US7031474B1 (en) 1999-10-04 2006-04-18 Srs Labs, Inc. Acoustic correction apparatus
US7010128B1 (en) 1999-11-25 2006-03-07 Embracing Sound Experience Ab Method of processing and reproducing an audio stereo signal and an audio stereo signal reproduction system
US7277767B2 (en) 1999-12-10 2007-10-02 Srs Labs, Inc. System and method for enhanced streaming audio
US7136493B2 (en) * 2000-06-28 2006-11-14 Peavey Electronics Corporation Sub-harmonic generator and stereo expansion processor
US20040013272A1 (en) * 2001-09-07 2004-01-22 Reams Robert W System and method for processing audio data
US20020118839A1 (en) * 2000-12-27 2002-08-29 Philips Electronics North America Corporation Circuit for providing a widened stereo image
KR100370222B1 (ko) * 2001-01-17 2003-02-05 삼성전자 주식회사 오디오 송수신 장치 및 방법
US7254239B2 (en) * 2001-02-09 2007-08-07 Thx Ltd. Sound system and method of sound reproduction
US7433483B2 (en) 2001-02-09 2008-10-07 Thx Ltd. Narrow profile speaker configurations and systems
EP1308925A1 (en) * 2001-10-24 2003-05-07 Peavey Electronics Corp. Sub-harmonic generator and stereo expansion processor
US7630507B2 (en) * 2002-01-28 2009-12-08 Gn Resound A/S Binaural compression system
US6735314B2 (en) * 2002-05-13 2004-05-11 Thomson Licensing S.A. Expanded stereophonic circuit with tonal compensation
US7242779B2 (en) 2002-05-30 2007-07-10 Peavey Electronics Corporation Methods and apparatus for sub-harmonic generation, stereo expansion and distortion
EP1529279A1 (en) * 2002-08-02 2005-05-11 Koninklijke Philips Electronics N.V. Method and apparatus to improve the reproduction of music content
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
US7929708B2 (en) * 2004-01-12 2011-04-19 Dts, Inc. Audio spatial environment engine
US7853022B2 (en) * 2004-10-28 2010-12-14 Thompson Jeffrey K Audio spatial environment engine
US20060106620A1 (en) * 2004-10-28 2006-05-18 Thompson Jeffrey K Audio spatial environment down-mixer
KR101283741B1 (ko) * 2004-10-28 2013-07-08 디티에스 워싱턴, 엘엘씨 N채널 오디오 시스템으로부터 m채널 오디오 시스템으로 변환하는 오디오 공간 환경 엔진 및 그 방법
TW200627999A (en) 2005-01-05 2006-08-01 Srs Labs Inc Phase compensation techniques to adjust for speaker deficiencies
WO2006126473A1 (ja) * 2005-05-23 2006-11-30 Matsushita Electric Industrial Co., Ltd. 音像定位装置
KR101304797B1 (ko) 2005-09-13 2013-09-05 디티에스 엘엘씨 오디오 처리 시스템 및 방법
KR101346490B1 (ko) * 2006-04-03 2014-01-02 디티에스 엘엘씨 오디오 신호 처리 방법 및 장치
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
WO2008112571A1 (en) * 2007-03-09 2008-09-18 Srs Labs, Inc. Frequency-warped audio equalizer
US20090052701A1 (en) * 2007-08-20 2009-02-26 Reams Robert W Spatial teleconferencing system and method
JP2009260628A (ja) * 2008-04-16 2009-11-05 Sony Corp オーディオ再生装置
TWI491277B (zh) * 2008-11-14 2015-07-01 That Corp 動態音量控制和多空間處理保護(二)
JP2012509038A (ja) 2008-11-14 2012-04-12 ザット コーポレーション 動的音量制御及び複数空間処理防止
US9380385B1 (en) 2008-11-14 2016-06-28 That Corporation Compressor based dynamic bass enhancement with EQ
US8259960B2 (en) * 2009-09-11 2012-09-04 BSG Laboratory, LLC Phase layering apparatus and method for a complete audio signal
US8571232B2 (en) * 2009-09-11 2013-10-29 Barry Stephen Goldfarb Apparatus and method for a complete audio signal
JP5463924B2 (ja) * 2010-01-15 2014-04-09 ヤマハ株式会社 音響処理装置
KR101712101B1 (ko) * 2010-01-28 2017-03-03 삼성전자 주식회사 신호 처리 방법 및 장치
US9628930B2 (en) 2010-04-08 2017-04-18 City University Of Hong Kong Audio spatial effect enhancement
WO2012094338A1 (en) 2011-01-04 2012-07-12 Srs Labs, Inc. Immersive audio rendering system
US8867749B2 (en) 2011-04-18 2014-10-21 Paul Blair McGowan Acoustic spatial projector
WO2013101605A1 (en) 2011-12-27 2013-07-04 Dts Llc Bass enhancement system
CA3124802C (en) 2013-03-13 2023-03-07 Thx Ltd Slim profile loudspeaker
US9258664B2 (en) 2013-05-23 2016-02-09 Comhear, Inc. Headphone audio enhancement system
US9288601B2 (en) 2013-05-28 2016-03-15 Audio Design Experts, Inc. Broad sound loudspeaker system
US9197963B1 (en) 2013-05-28 2015-11-24 Audio Design Experts, Inc. Broad sound field loudspeaker system
US9369817B2 (en) * 2013-05-28 2016-06-14 Audio Design Experts, Inc. Broad sound field loudspeaker system
US9326086B2 (en) 2014-02-21 2016-04-26 City University Of Hong Kong Neural induced enhancement of audio signals
US9588490B2 (en) 2014-10-21 2017-03-07 City University Of Hong Kong Neural control holography
JP6508491B2 (ja) * 2014-12-12 2019-05-08 ホアウェイ・テクノロジーズ・カンパニー・リミテッド マルチチャネルオーディオ信号内の音声成分を強調するための信号処理装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665105A (en) * 1970-03-09 1972-05-23 Univ Leland Stanford Junior Method and apparatus for simulating location and movement of sound
US3848092A (en) * 1973-07-02 1974-11-12 R Shamma System for electronic modification of sound
US4696036A (en) * 1985-09-12 1987-09-22 Shure Brothers, Inc. Directional enhancement circuit
US4748669A (en) * 1986-03-27 1988-05-31 Hughes Aircraft Company Stereo enhancement system

Also Published As

Publication number Publication date
EP0400106B1 (en) 1997-07-16
EP0400106A1 (en) 1990-12-05
DE68928180D1 (de) 1997-08-21
EP0773702A2 (en) 1997-05-14
CA1309031C (en) 1992-10-20
DE68928180T2 (de) 1997-11-13
US4866774A (en) 1989-09-12
AU4310489A (en) 1990-05-28
WO1990005438A1 (en) 1990-05-17
AU614191B2 (en) 1991-08-22
KR930004933B1 (ko) 1993-06-10
JP3046319B2 (ja) 2000-05-29
KR900702747A (ko) 1990-12-08
JPH03502635A (ja) 1991-06-13

Similar Documents

Publication Publication Date Title
HK1002150A1 (en) Stereo enhancement and directivity servo
AU564963B2 (en) N-alkoxyaminosulfonyl-ureas and n-alkyl- sulfonylaminosulfonylureas
GB2217147B (en) Earphone
GB2247388B (en) Loudspeaker and horn therefor
GB8902887D0 (en) Speaker assembly
AU568839B2 (en) Pharmaceutical imidazoles and hydro-pyrimidines and hydro-derivatives
GB8905924D0 (en) Directional microphone
EP0333133A3 (en) Speaker system
GB2218304B (en) Headphone assemblies
EP0339425A3 (en) Speaker system
GB8407208D0 (en) Speaker
GB8908092D0 (en) Speaker and horn array
AU3578189A (en) Improved radiotherapy
GB8826269D0 (en) Stereo speaker
GB8922607D0 (en) Aryloxyaldehydes and their manufacture
AU3301289A (en) Electromagnetic transducer
AU568385B2 (en) Pyrrolizinones and indolizinones
ZA897772B (en) Organotinfluorides and their manufacture
GB2220116B (en) Microphone
ZA892873B (en) Speaker system
PL271350A2 (en) Electro-magnetic servo-motor
GB8820716D0 (en) Audio amplifier
PL274667A1 (en) Stereophonic stetoscope
IL85672A0 (en) Loudspeaker
SG114393G (en) Loudspeaker

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)