CA2153062A1 - Appareil et methode d'accentuation pour enregistrements audio-video - Google Patents

Appareil et methode d'accentuation pour enregistrements audio-video

Info

Publication number
CA2153062A1
CA2153062A1 CA002153062A CA2153062A CA2153062A1 CA 2153062 A1 CA2153062 A1 CA 2153062A1 CA 002153062 A CA002153062 A CA 002153062A CA 2153062 A CA2153062 A CA 2153062A CA 2153062 A1 CA2153062 A1 CA 2153062A1
Authority
CA
Canada
Prior art keywords
signal
output
audio
input
signals
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.)
Abandoned
Application number
CA002153062A
Other languages
English (en)
Inventor
Stephen W. Desper
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.)
Desper Products Inc
Original Assignee
Individual
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 PCT/US1992/011335 external-priority patent/WO1994016537A1/fr
Application filed by Individual filed Critical Individual
Publication of CA2153062A1 publication Critical patent/CA2153062A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • 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 
    • 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 
    • H04S5/02—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Endoscopes (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
CA002153062A 1992-12-31 1993-12-30 Appareil et methode d'accentuation pour enregistrements audio-video Abandoned CA2153062A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/US1992/011335 WO1994016537A1 (fr) 1990-01-09 1992-12-31 Appareil et procede de manipulation stereophonique destines a ameliorer l'image sonore
WOPCT/US92/11335 1992-12-31

Publications (1)

Publication Number Publication Date
CA2153062A1 true CA2153062A1 (fr) 1994-07-21

Family

ID=22231683

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002153062A Abandoned CA2153062A1 (fr) 1992-12-31 1993-12-30 Appareil et methode d'accentuation pour enregistrements audio-video

Country Status (10)

Country Link
EP (1) EP0677235B1 (fr)
JP (1) JPH08509104A (fr)
CN (1) CN1091889A (fr)
AT (1) ATE183050T1 (fr)
AU (3) AU3427393A (fr)
CA (1) CA2153062A1 (fr)
DE (1) DE69325922D1 (fr)
IL (2) IL104665A (fr)
SG (1) SG70557A1 (fr)
WO (1) WO1994016538A1 (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6091894A (en) * 1995-12-15 2000-07-18 Kabushiki Kaisha Kawai Gakki Seisakusho Virtual sound source positioning apparatus
US5995631A (en) * 1996-07-23 1999-11-30 Kabushiki Kaisha Kawai Gakki Seisakusho Sound image localization apparatus, stereophonic sound image enhancement apparatus, and sound image control system
KR100206333B1 (ko) * 1996-10-08 1999-07-01 윤종용 두개의 스피커를 이용한 멀티채널 오디오 재생장치및 방법
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
JP3740670B2 (ja) 1997-05-20 2006-02-01 株式会社河合楽器製作所 ステレオ音像拡大装置
US6373954B1 (en) 1997-10-14 2002-04-16 Cirrus Logic, Inc. Single-chip audio circuitry, method, and systems using the same
AU9785498A (en) * 1997-10-14 1999-05-03 Crystal Semiconductor Corp. Single-chip audio circuits, methods, and systems using the same
JP2001069597A (ja) 1999-06-22 2001-03-16 Yamaha Corp 音声処理方法及び装置
US7031474B1 (en) * 1999-10-04 2006-04-18 Srs Labs, Inc. Acoustic correction apparatus
US7277767B2 (en) 1999-12-10 2007-10-02 Srs Labs, Inc. System and method for enhanced streaming audio
US6937737B2 (en) * 2003-10-27 2005-08-30 Britannia Investment Corporation Multi-channel audio surround sound from front located loudspeakers
CN101133678A (zh) * 2005-01-13 2008-02-27 环境医疗有限责任公司 用于环境声音疗法用户接口和控制系统的方法与装置
DK1801786T3 (en) * 2005-12-20 2015-03-16 Oticon As An audio system with different time delay and a method of processing audio signals
US8045717B2 (en) * 2006-04-13 2011-10-25 Media Tek Inc. Stereo decoder and method for processing pilot signal
US8050434B1 (en) 2006-12-21 2011-11-01 Srs Labs, Inc. Multi-channel audio enhancement system
CN103329571B (zh) 2011-01-04 2016-08-10 Dts有限责任公司 沉浸式音频呈现系统
CN103152671B (zh) * 2013-03-15 2016-09-28 珠海市杰理科技有限公司 音频输入输出电路
RU2656986C1 (ru) 2014-06-26 2018-06-07 Самсунг Электроникс Ко., Лтд. Способ и устройство для рендеринга акустического сигнала и машиночитаемый носитель записи
WO2016169608A1 (fr) 2015-04-24 2016-10-27 Huawei Technologies Co., Ltd. Appareil de traitement de signal audio et procédé pour modifier une image stéréoscopique d'un signal stéréoscopique
CN105407443B (zh) * 2015-10-29 2018-02-13 小米科技有限责任公司 录音方法及装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4630298A (en) * 1985-05-30 1986-12-16 Polk Matthew S Method and apparatus for reproducing sound having a realistic ambient field and acoustic image
US4748669A (en) * 1986-03-27 1988-05-31 Hughes Aircraft Company Stereo enhancement system
US5056149A (en) * 1987-03-10 1991-10-08 Broadie Richard G Monaural to stereophonic sound translation process and apparatus
JP2854306B2 (ja) * 1988-11-05 1999-02-03 四一 安藤 音響再生装置
US5153362A (en) * 1989-10-04 1992-10-06 Yamaha Corporation Electronic musical instrument having pan control function

Also Published As

Publication number Publication date
DE69325922D1 (de) 1999-09-09
ATE183050T1 (de) 1999-08-15
AU7731098A (en) 1998-10-01
IL104665A (en) 1998-10-30
SG70557A1 (en) 2000-02-22
EP0677235B1 (fr) 1999-08-04
IL122164A0 (en) 1998-04-05
EP0677235A1 (fr) 1995-10-18
JPH08509104A (ja) 1996-09-24
WO1994016538A1 (fr) 1994-07-21
IL104665A0 (en) 1993-06-10
AU3427393A (en) 1994-08-15
CN1091889A (zh) 1994-09-07
AU6081194A (en) 1994-08-15

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued