FR2308267A1 - Dispositif d'elargissement de champ sonore - Google Patents

Dispositif d'elargissement de champ sonore

Info

Publication number
FR2308267A1
FR2308267A1 FR7611415A FR7611415A FR2308267A1 FR 2308267 A1 FR2308267 A1 FR 2308267A1 FR 7611415 A FR7611415 A FR 7611415A FR 7611415 A FR7611415 A FR 7611415A FR 2308267 A1 FR2308267 A1 FR 2308267A1
Authority
FR
France
Prior art keywords
sound field
enlargement device
field enlargement
sound
field
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.)
Granted
Application number
FR7611415A
Other languages
English (en)
Other versions
FR2308267B1 (fr
Inventor
Katsumi Nakabayashi
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.)
Japan Broadcasting Corp
Original Assignee
Nippon Hoso Kyokai NHK
Japan Broadcasting Corp
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 Nippon Hoso Kyokai NHK, Japan Broadcasting Corp filed Critical Nippon Hoso Kyokai NHK
Publication of FR2308267A1 publication Critical patent/FR2308267A1/fr
Application granted granted Critical
Publication of FR2308267B1 publication Critical patent/FR2308267B1/fr
Granted legal-status Critical Current

Links

Classifications

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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
FR7611415A 1975-04-17 1976-04-16 Dispositif d'elargissement de champ sonore Granted FR2308267A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50045773A JPS51132803A (en) 1975-04-17 1975-04-17 Sound field expander

Publications (2)

Publication Number Publication Date
FR2308267A1 true FR2308267A1 (fr) 1976-11-12
FR2308267B1 FR2308267B1 (fr) 1983-02-11

Family

ID=12728601

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7611415A Granted FR2308267A1 (fr) 1975-04-17 1976-04-16 Dispositif d'elargissement de champ sonore

Country Status (6)

Country Link
US (1) US4121059A (fr)
JP (1) JPS51132803A (fr)
DE (1) DE2616762C2 (fr)
FR (1) FR2308267A1 (fr)
GB (1) GB1540424A (fr)
NL (1) NL176036C (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2362548A1 (fr) * 1976-08-17 1978-03-17 Novanex Automation Nv Systeme stereo introduisant pour chaque canal un dephasage des sources
US4191852A (en) * 1978-05-16 1980-03-04 Shin-Shirasuna Electric Corporation Stereophonic sense enhancing apparatus
US4192969A (en) * 1977-09-10 1980-03-11 Makoto Iwahara Stage-expanded stereophonic sound reproduction
US4199658A (en) * 1977-09-10 1980-04-22 Victor Company Of Japan, Limited Binaural sound reproduction system
US4209665A (en) * 1977-08-29 1980-06-24 Victor Company Of Japan, Limited Audio signal translation for loudspeaker and headphone sound reproduction
EP0282017A2 (fr) * 1987-03-13 1988-09-14 Ohno Matsuo Système de traitement pour stéréophonie
US4910779A (en) * 1987-10-15 1990-03-20 Cooper Duane H Head diffraction compensated stereo system with optimal equalization
US4975954A (en) * 1987-10-15 1990-12-04 Cooper Duane H Head diffraction compensated stereo system with optimal equalization
US5034983A (en) * 1987-10-15 1991-07-23 Cooper Duane H Head diffraction compensated stereo system
US5136651A (en) * 1987-10-15 1992-08-04 Cooper Duane H Head diffraction compensated stereo system

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4204092A (en) * 1978-04-11 1980-05-20 Bruney Paul F Audio image recovery system
US4239937A (en) * 1979-01-02 1980-12-16 Kampmann Frank S Stereo separation control
US4309570A (en) * 1979-04-05 1982-01-05 Carver R W Dimensional sound recording and apparatus and method for producing the same
CA1147228A (fr) * 1979-03-26 1983-05-31 Ivan A. Korolkov Instrument chirurgical pour l'application de sutures aux agrafes
US4218585A (en) * 1979-04-05 1980-08-19 Carver R W Dimensional sound producing apparatus and method
US4603429A (en) * 1979-04-05 1986-07-29 Carver R W Dimensional sound recording and apparatus and method for producing the same
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
US4495637A (en) * 1982-07-23 1985-01-22 Sci-Coustics, Inc. Apparatus and method for enhanced psychoacoustic imagery using asymmetric cross-channel feed
US4567607A (en) * 1983-05-03 1986-01-28 Stereo Concepts, Inc. Stereo image recovery
US4589129A (en) * 1984-02-21 1986-05-13 Kintek, Inc. Signal decoding system
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
US4910778A (en) * 1987-10-16 1990-03-20 Barton Geoffrey J Signal enhancement processor for stereo system
US5235646A (en) * 1990-06-15 1993-08-10 Wilde Martin D Method and apparatus for creating de-correlated audio output signals and audio recordings made thereby
WO1991020163A1 (fr) * 1990-06-15 1991-12-26 Auris Corp. Procede de reglage de la largeur et de la distance d'une image acoustique
WO1991020164A1 (fr) * 1990-06-15 1991-12-26 Auris Corp. Procede d'elimination de l'effet de priorite dans des systemes acoustiques stereophoniques et enregistrement effectue a l'aide dudit procede
DE4136022C2 (de) * 1990-11-01 2001-04-19 Fujitsu Ten Ltd Vorrichtung zum Aufweiten und Symmetrisieren von Klangfeldern
JPH04265569A (ja) * 1991-02-19 1992-09-21 Canon Inc 音声信号記録装置及び再生装置
KR940011504B1 (ko) * 1991-12-07 1994-12-19 삼성전자주식회사 2채널 음장재생 장치 및 방법
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
WO1999041947A1 (fr) * 1998-02-13 1999-08-19 Koninklijke Philips Electronics N.V. Systeme de reproduction en ambiophonie, systeme de reproduction de signaux sonores et visuels, unite de traitement de signaux d'ambiophonie, et procede de traitement d'un signal d'ambiophonie entrant
US6421447B1 (en) * 1999-09-30 2002-07-16 Inno-Tech Co., Ltd. Method of generating surround sound with channels processing separately
US6928168B2 (en) * 2001-01-19 2005-08-09 Nokia Corporation Transparent stereo widening algorithm for loudspeakers
US20080120100A1 (en) * 2003-03-17 2008-05-22 Kazuya Takeda Method For Detecting Target Sound, Method For Detecting Delay Time In Signal Input, And Sound Signal Processor
US7551741B2 (en) * 2004-05-21 2009-06-23 Ess Technology, Inc. System and method for 3D sound processing
GB2419265B (en) * 2004-10-18 2009-03-11 Wolfson Ltd Improved audio processing
EP1951000A4 (fr) * 2005-10-18 2011-09-21 Pioneer Corp Dispositif, procede et programme de controle de localisation et support d'enregistrement informatique
EP1959714A4 (fr) * 2005-12-05 2010-02-24 Chiba Inst Technology Dispositif de traitement de signal sonore, procédé de traitement de signal sonore, système de reproduction de son, procédé de conception d'un dispositif de traitement de signal sonore
JP4940671B2 (ja) * 2006-01-26 2012-05-30 ソニー株式会社 オーディオ信号処理装置、オーディオ信号処理方法及びオーディオ信号処理プログラム
JP5828450B2 (ja) * 2011-08-31 2015-12-09 学校法人千葉工業大学 移動音像生成装置及びその設計方法
US20170195794A1 (en) * 2015-11-09 2017-07-06 Light Speed Aviation, Inc. Wireless aviation headset

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124649A (en) * 1964-03-10 Filter
FR747504A (fr) * 1931-12-14 1933-06-16
US2246593A (en) * 1937-12-13 1941-06-24 John J Israel Electroacoustic system and method
US2616970A (en) * 1948-02-11 1952-11-04 Hartford Nat Bank & Trust Co Device for the transmission by electrical means of oscillations of acoustic frequency
US2668880A (en) * 1950-05-26 1954-02-09 Klangfilm Gmbh Apparatus for stereophonic sound-recording
DE1086279B (de) * 1959-01-16 1960-08-04 Sennheiser Electronic Schaltungsanordnung zur Beeinflussung der Ortungsbreite in einer stereophonischen elektro-akustischen UEbertragungsanlage
US3217080A (en) * 1960-04-01 1965-11-09 Jr Melville Clark Electroacoustical system
DE1148269B (de) * 1960-12-19 1963-05-09 Telefunken Gmbh Schaltungsanordnung zur Schallaufnahme und/oder Schallwiedergabe mit zwei Wiedergabekanaelen und Verfahren zur stereophonischen Schallaufzeichnung
US3236949A (en) * 1962-11-19 1966-02-22 Bell Telephone Labor Inc Apparent sound source translator
NL172815B (nl) * 1971-04-13 Sony Corp Meervoudige geluidweergeefinrichting.
US3830978A (en) * 1971-07-08 1974-08-20 Matsushita Electric Ind Co Ltd Circuit for mixing four audio input signals to produce four audio output signals
GB1450533A (en) * 1972-11-08 1976-09-22 Ferrograph Co Ltd Stereo sound reproducing apparatus
JPS5343281B2 (fr) * 1973-05-23 1978-11-18
US3970787A (en) * 1974-02-11 1976-07-20 Massachusetts Institute Of Technology Auditorium simulator and the like employing different pinna filters for headphone listening
JPS5421241B2 (fr) * 1975-03-19 1979-07-28

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2362548A1 (fr) * 1976-08-17 1978-03-17 Novanex Automation Nv Systeme stereo introduisant pour chaque canal un dephasage des sources
US4209665A (en) * 1977-08-29 1980-06-24 Victor Company Of Japan, Limited Audio signal translation for loudspeaker and headphone sound reproduction
US4192969A (en) * 1977-09-10 1980-03-11 Makoto Iwahara Stage-expanded stereophonic sound reproduction
US4199658A (en) * 1977-09-10 1980-04-22 Victor Company Of Japan, Limited Binaural sound reproduction system
US4191852A (en) * 1978-05-16 1980-03-04 Shin-Shirasuna Electric Corporation Stereophonic sense enhancing apparatus
EP0282017A2 (fr) * 1987-03-13 1988-09-14 Ohno Matsuo Système de traitement pour stéréophonie
EP0282017A3 (fr) * 1987-03-13 1989-05-24 Ohno Matsuo Système de traitement pour stéréophonie
US4910779A (en) * 1987-10-15 1990-03-20 Cooper Duane H Head diffraction compensated stereo system with optimal equalization
US4975954A (en) * 1987-10-15 1990-12-04 Cooper Duane H Head diffraction compensated stereo system with optimal equalization
US5034983A (en) * 1987-10-15 1991-07-23 Cooper Duane H Head diffraction compensated stereo system
US5136651A (en) * 1987-10-15 1992-08-04 Cooper Duane H Head diffraction compensated stereo system

Also Published As

Publication number Publication date
US4121059A (en) 1978-10-17
NL7604091A (nl) 1976-10-19
DE2616762A1 (de) 1976-10-21
JPS51132803A (en) 1976-11-18
JPS576840B2 (fr) 1982-02-06
NL176036B (nl) 1984-09-03
FR2308267B1 (fr) 1983-02-11
NL176036C (nl) 1985-02-01
GB1540424A (en) 1979-02-14
DE2616762C2 (de) 1985-09-26

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Legal Events

Date Code Title Description
ST Notification of lapse