JPS51132803A - Sound field expander - Google Patents

Sound field expander

Info

Publication number
JPS51132803A
JPS51132803A JP50045773A JP4577375A JPS51132803A JP S51132803 A JPS51132803 A JP S51132803A JP 50045773 A JP50045773 A JP 50045773A JP 4577375 A JP4577375 A JP 4577375A JP S51132803 A JPS51132803 A JP S51132803A
Authority
JP
Japan
Prior art keywords
sound field
field expander
expander
stereo
nosmal
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
JP50045773A
Other languages
English (en)
Other versions
JPS576840B2 (ja
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
Priority to JP50045773A priority Critical patent/JPS51132803A/ja
Priority to US05/675,784 priority patent/US4121059A/en
Priority to GB14944/76A priority patent/GB1540424A/en
Priority to DE2616762A priority patent/DE2616762C2/de
Priority to NLAANVRAGE7604091,A priority patent/NL176036C/xx
Priority to FR7611415A priority patent/FR2308267A1/fr
Publication of JPS51132803A publication Critical patent/JPS51132803A/ja
Publication of JPS576840B2 publication Critical patent/JPS576840B2/ja
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)
JP50045773A 1975-04-17 1975-04-17 Sound field expander Granted JPS51132803A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP50045773A JPS51132803A (en) 1975-04-17 1975-04-17 Sound field expander
US05/675,784 US4121059A (en) 1975-04-17 1976-04-12 Sound field expanding device
GB14944/76A GB1540424A (en) 1975-04-17 1976-04-13 Sound field expanding device
DE2616762A DE2616762C2 (de) 1975-04-17 1976-04-15 Einrichtung zur Aufweitung eines stereophonen Klangbildes
NLAANVRAGE7604091,A NL176036C (nl) 1975-04-17 1976-04-15 Inrichting voor het expanderen van een weergegeven geluidsveld.
FR7611415A FR2308267A1 (fr) 1975-04-17 1976-04-16 Dispositif d'elargissement de champ sonore

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
JPS51132803A true JPS51132803A (en) 1976-11-18
JPS576840B2 JPS576840B2 (ja) 1982-02-06

Family

ID=12728601

Family Applications (1)

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

Country Status (6)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013051631A (ja) * 2011-08-31 2013-03-14 Chiba Inst Of Technology 移動音像生成装置及びその設計方法

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2736558A1 (de) * 1976-08-17 1978-02-23 Novanex Automation Nv Phasenstereosystem
US4209665A (en) * 1977-08-29 1980-06-24 Victor Company Of Japan, Limited Audio signal translation for loudspeaker and headphone sound reproduction
JPS5442102A (en) * 1977-09-10 1979-04-03 Victor Co Of Japan Ltd Stereo reproduction system
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
US4204092A (en) * 1978-04-11 1980-05-20 Bruney Paul F Audio image recovery system
US4191852A (en) * 1978-05-16 1980-03-04 Shin-Shirasuna Electric Corporation Stereophonic sense enhancing apparatus
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
US4218585A (en) * 1979-04-05 1980-08-19 Carver R W Dimensional sound producing apparatus and method
CA1147228A (en) * 1979-03-26 1983-05-31 Ivan A. Korolkov Surgical suturing instrument for application of a staple suture
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
JPS63224599A (ja) * 1987-03-13 1988-09-19 Asa Plan:Kk ステレオ処理装置
US5034983A (en) * 1987-10-15 1991-07-23 Cooper Duane H Head diffraction compensated stereo system
US4975954A (en) * 1987-10-15 1990-12-04 Cooper Duane H Head diffraction compensated stereo system with optimal equalization
US4910779A (en) * 1987-10-15 1990-03-20 Cooper Duane H Head diffraction compensated stereo system with optimal equalization
US5136651A (en) * 1987-10-15 1992-08-04 Cooper Duane H Head diffraction compensated stereo system
US4910778A (en) * 1987-10-16 1990-03-20 Barton Geoffrey J Signal enhancement processor for stereo system
AU8102891A (en) * 1990-06-15 1992-01-07 Auris Corp. Method for controlling the width and distance of an acoustical image
AU8053691A (en) * 1990-06-15 1992-01-07 Auris Corp. Method for eliminating the precedence effect in stereophonic sound systems and recording made with said method
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
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 (en) * 1998-02-13 1999-08-19 Koninklijke Philips Electronics N.V. Surround sound reproduction system, sound/visual reproduction system, surround signal processing unit and method for processing an input surround signal
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
WO2004084187A1 (ja) * 2003-03-17 2004-09-30 Nagoya Industrial Science Research Institute 対象音検出方法、信号入力遅延時間検出方法及び音信号処理装置
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
US20090122994A1 (en) * 2005-10-18 2009-05-14 Pioneer Corporation Localization control device, localization control method, localization control program, and computer-readable recording medium
CN101326855A (zh) * 2005-12-05 2008-12-17 学校法人千叶工业大学 音响信号处理装置、音响信号处理方法、音响再现***、音响信号处理装置的设计方法
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
US20170195794A1 (en) * 2015-11-09 2017-07-06 Light Speed Aviation, Inc. Wireless aviation headset

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5013002A (ja) * 1973-05-23 1975-02-10
JPS51108801A (ja) * 1975-03-19 1976-09-27 Matsushita Electric Ind Co Ltd

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124649A (en) * 1964-03-10 Filter
FR747504A (ja) * 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
US3970787A (en) * 1974-02-11 1976-07-20 Massachusetts Institute Of Technology Auditorium simulator and the like employing different pinna filters for headphone listening

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5013002A (ja) * 1973-05-23 1975-02-10
JPS51108801A (ja) * 1975-03-19 1976-09-27 Matsushita Electric Ind Co Ltd

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013051631A (ja) * 2011-08-31 2013-03-14 Chiba Inst Of Technology 移動音像生成装置及びその設計方法

Also Published As

Publication number Publication date
US4121059A (en) 1978-10-17
FR2308267A1 (fr) 1976-11-12
DE2616762C2 (de) 1985-09-26
DE2616762A1 (de) 1976-10-21
NL7604091A (nl) 1976-10-19
FR2308267B1 (ja) 1983-02-11
NL176036C (nl) 1985-02-01
GB1540424A (en) 1979-02-14
JPS576840B2 (ja) 1982-02-06
NL176036B (nl) 1984-09-03

Similar Documents

Publication Publication Date Title
JPS51132803A (en) Sound field expander
JPS5442101A (en) Stereo sound field expanding device
JPS5280001A (en) Binaural system
JPS5224061A (en) Amplifier
JPS51149706A (en) Aural signal combining unit
JPS521676A (en) Mechanical press
JPS5219882A (en) Digital method of setting position
JPS526063A (en) Signal compressure circuit
JPS51151514A (en) Recorder
JPS51137307A (en) Audio synthesizing system
JPS5377610A (en) Rotary type memory unit
JPS521675A (en) Mechanical press
JPS5270771A (en) Position matching method
JPS527606A (en) Voice processing system
JPS5269214A (en) Still picture and voice processing system for stationary picture
JPS51137306A (en) Audio synthesizing system
JPS5230111A (en) Catv amplifier with variable trap
JPS5279642A (en) Information processing system
JPS51117579A (en) Junction type field effect transistor
JPS5254401A (en) Sound zoom system
JPS5288007A (en) Saignal processing apparatus
JPS5223211A (en) Transistor circuit
JPS5260600A (en) Smoke sensing system
JPS5269212A (en) Still picture and voice processing system for stationary picture
JPS5419701A (en) Audio signal display system