US3849600A - Stereophonic signal reproducing apparatus - Google Patents

Stereophonic signal reproducing apparatus Download PDF

Info

Publication number
US3849600A
US3849600A US00405426A US40542673A US3849600A US 3849600 A US3849600 A US 3849600A US 00405426 A US00405426 A US 00405426A US 40542673 A US40542673 A US 40542673A US 3849600 A US3849600 A US 3849600A
Authority
US
United States
Prior art keywords
reproducing apparatus
signal
signal reproducing
response
stereophonic
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
US00405426A
Other languages
English (en)
Inventor
S Ohshima
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of US3849600A publication Critical patent/US3849600A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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)
  • Stereo-Broadcasting Methods (AREA)
  • Stereophonic Arrangements (AREA)
US00405426A 1972-10-13 1973-10-11 Stereophonic signal reproducing apparatus Expired - Lifetime US3849600A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1972118493U JPS5251764Y2 (it) 1972-10-13 1972-10-13

Publications (1)

Publication Number Publication Date
US3849600A true US3849600A (en) 1974-11-19

Family

ID=14738024

Family Applications (1)

Application Number Title Priority Date Filing Date
US00405426A Expired - Lifetime US3849600A (en) 1972-10-13 1973-10-11 Stereophonic signal reproducing apparatus

Country Status (8)

Country Link
US (1) US3849600A (it)
JP (1) JPS5251764Y2 (it)
CA (1) CA982057A (it)
DE (1) DE2351423C2 (it)
FR (1) FR2203250B1 (it)
GB (1) GB1425519A (it)
IT (1) IT995830B (it)
NL (1) NL180557C (it)

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4191852A (en) * 1978-05-16 1980-03-04 Shin-Shirasuna Electric Corporation Stereophonic sense enhancing apparatus
US4308423A (en) * 1980-03-12 1981-12-29 Cohen Joel M Stereo image separation and perimeter enhancement
US4355203A (en) * 1980-03-12 1982-10-19 Cohen Joel M Stereo image separation and perimeter enhancement
DE3127478A1 (de) * 1981-07-11 1983-01-20 Interessengemeinschaft für Rundfunkschutzrechte GmbH, 4000 Düsseldorf Stereophonisches geraet fuer rundfunk- oder fernsehempfang oder zur aufzeichnung und/oder wiedergabe von ton- oder video-aufnahmen
WO1989000802A1 (en) * 1987-07-21 1989-01-26 Hughes Aircraft Company Extended imaging split mode loudspeaker system
US4910778A (en) * 1987-10-16 1990-03-20 Barton Geoffrey J Signal enhancement processor for stereo system
US4939781A (en) * 1988-11-14 1990-07-03 Lamonica Chuck Device for eliminating absolute polarity inversion in a high-fidelity sound reproduction system
US5412731A (en) * 1982-11-08 1995-05-02 Desper Products, Inc. Automatic stereophonic manipulation system and apparatus for image enhancement
US5661808A (en) * 1995-04-27 1997-08-26 Srs Labs, Inc. Stereo enhancement system
US5677957A (en) * 1995-11-13 1997-10-14 Hulsebus; Alan Audio circuit producing enhanced ambience
US5841879A (en) * 1996-11-21 1998-11-24 Sonics Associates, Inc. Virtually positioned head mounted surround sound system
US5850453A (en) * 1995-07-28 1998-12-15 Srs Labs, Inc. Acoustic correction apparatus
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
US5970152A (en) * 1996-04-30 1999-10-19 Srs Labs, Inc. Audio enhancement system for use in a surround sound environment
US6144747A (en) * 1997-04-02 2000-11-07 Sonics Associates, Inc. Head mounted surround sound system
US6181796B1 (en) * 1998-02-13 2001-01-30 National Semiconductor Corporation Method and system which drives left, right, and subwoofer transducers with multichannel amplifier having reduced power supply requirements
US6281749B1 (en) 1997-06-17 2001-08-28 Srs Labs, Inc. Sound enhancement system
US20020015505A1 (en) * 2000-06-12 2002-02-07 Katz Robert A. Process for enhancing the existing ambience, imaging, depth, clarity and spaciousness of sound recordings
US6428362B1 (en) * 1999-08-20 2002-08-06 Adc Telecommunications, Inc. Jack including crosstalk compensation for printed circuit board
US20050071028A1 (en) * 1999-12-10 2005-03-31 Yuen Thomas C.K. System and method for enhanced streaming audio
US7031474B1 (en) 1999-10-04 2006-04-18 Srs Labs, Inc. Acoustic correction apparatus
WO2008018012A2 (en) 2006-08-10 2008-02-14 Koninklijke Philips Electronics N.V. A device for and a method of processing an audio signal
US8050434B1 (en) 2006-12-21 2011-11-01 Srs Labs, Inc. Multi-channel audio enhancement system
US9088858B2 (en) 2011-01-04 2015-07-21 Dts Llc Immersive audio rendering system
US9258664B2 (en) 2013-05-23 2016-02-09 Comhear, Inc. Headphone audio enhancement system
WO2017144774A1 (en) * 2016-02-24 2017-08-31 Panphonics Oy Sound reproducing system

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2455336C3 (de) * 1970-09-23 1982-11-11 Siegbert Dipl.-Ing. Dr. 7146 Tamm Hentschke Interferenzlautsprechersystem für stereophone Wiedergabe
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
DK152478C (da) * 1985-12-06 1988-07-25 Ole Sparkjaer Fremgangsmaade og kredsloeb til dekodning af fire kanalsignaler, som er matrixkodet og foreligger i form af et to-kanal signal
US4975954A (en) * 1987-10-15 1990-12-04 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
US5034983A (en) * 1987-10-15 1991-07-23 Cooper Duane H Head diffraction compensated stereo system
US4910779A (en) * 1987-10-15 1990-03-20 Cooper Duane H Head diffraction compensated stereo system with optimal equalization
JP2667228B2 (ja) * 1988-11-07 1997-10-27 株式会社日立製作所 テレビジョン受像機のステレオ再生装置
DE102008035685A1 (de) * 2008-07-30 2010-02-04 Elac Electroacustic Gmbh Verfahren zum Betreiben eines Stereo-Lautsprechersystems

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1073037B (de) * 1960-01-14 Norddeutsche Mende Rundfunk K.G., Bremen-Hemelingen Anordnung zur Regelung der Lautstärke von elektroakustischen Wiedergabesystemen in Geräten zur stereophonischen Klangwiedergabe
DE1071762B (it) * 1958-09-09 1959-12-24 Teliefunken Gm.b.H., Berlin
US3164676A (en) * 1961-03-13 1965-01-05 Philco Corp Stereophonic system employing audio matrixing
DE2046776C3 (de) * 1970-09-23 1979-11-29 Siegbert Dipl.-Ing. Dr. 7000 Stuttgart Hentschke Interferenzlautsprechersystem zur stereophonen Wiedergabe

Cited By (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4191852A (en) * 1978-05-16 1980-03-04 Shin-Shirasuna Electric Corporation Stereophonic sense enhancing apparatus
US4308423A (en) * 1980-03-12 1981-12-29 Cohen Joel M Stereo image separation and perimeter enhancement
US4355203A (en) * 1980-03-12 1982-10-19 Cohen Joel M Stereo image separation and perimeter enhancement
DE3127478A1 (de) * 1981-07-11 1983-01-20 Interessengemeinschaft für Rundfunkschutzrechte GmbH, 4000 Düsseldorf Stereophonisches geraet fuer rundfunk- oder fernsehempfang oder zur aufzeichnung und/oder wiedergabe von ton- oder video-aufnahmen
US5412731A (en) * 1982-11-08 1995-05-02 Desper Products, Inc. Automatic stereophonic manipulation system and apparatus for image enhancement
WO1989000802A1 (en) * 1987-07-21 1989-01-26 Hughes Aircraft Company Extended imaging split mode loudspeaker system
US4910778A (en) * 1987-10-16 1990-03-20 Barton Geoffrey J Signal enhancement processor for stereo system
US4939781A (en) * 1988-11-14 1990-07-03 Lamonica Chuck Device for eliminating absolute polarity inversion in a high-fidelity sound reproduction system
US20040005063A1 (en) * 1995-04-27 2004-01-08 Klayman Arnold I. Audio enhancement system
US7636443B2 (en) 1995-04-27 2009-12-22 Srs Labs, Inc. Audio enhancement system
US5661808A (en) * 1995-04-27 1997-08-26 Srs Labs, Inc. Stereo enhancement system
US6597791B1 (en) 1995-04-27 2003-07-22 Srs Labs, Inc. Audio enhancement system
US5892830A (en) * 1995-04-27 1999-04-06 Srs Labs, Inc. Stereo enhancement system
US20060062395A1 (en) * 1995-07-28 2006-03-23 Klayman Arnold I Acoustic correction apparatus
US5850453A (en) * 1995-07-28 1998-12-15 Srs Labs, Inc. Acoustic correction apparatus
US7043031B2 (en) 1995-07-28 2006-05-09 Srs Labs, Inc. Acoustic correction apparatus
US7555130B2 (en) 1995-07-28 2009-06-30 Srs Labs, Inc. Acoustic correction apparatus
US6718039B1 (en) 1995-07-28 2004-04-06 Srs Labs, Inc. Acoustic correction apparatus
US5677957A (en) * 1995-11-13 1997-10-14 Hulsebus; Alan Audio circuit producing enhanced ambience
US5970152A (en) * 1996-04-30 1999-10-19 Srs Labs, Inc. Audio enhancement system for use in a surround sound environment
US20090190766A1 (en) * 1996-11-07 2009-07-30 Srs Labs, Inc. Multi-channel audio enhancement system for use in recording playback and methods for providing same
US7200236B1 (en) 1996-11-07 2007-04-03 Srslabs, Inc. Multi-channel audio enhancement system for use in recording playback and methods for providing same
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
US8472631B2 (en) 1996-11-07 2013-06-25 Dts Llc Multi-channel audio enhancement system for use in recording playback and methods for providing same
US7492907B2 (en) 1996-11-07 2009-02-17 Srs Labs, Inc. Multi-channel audio enhancement system for use in recording and playback and methods for providing same
US5841879A (en) * 1996-11-21 1998-11-24 Sonics Associates, Inc. Virtually positioned head mounted surround sound system
US6144747A (en) * 1997-04-02 2000-11-07 Sonics Associates, Inc. Head mounted surround sound system
US6281749B1 (en) 1997-06-17 2001-08-28 Srs Labs, Inc. Sound enhancement system
US6181796B1 (en) * 1998-02-13 2001-01-30 National Semiconductor Corporation Method and system which drives left, right, and subwoofer transducers with multichannel amplifier having reduced power supply requirements
USRE39546E1 (en) * 1999-08-20 2007-04-03 Adc Telecommunications, Inc. Jack including crosstalk compensation for printed circuit board
USRE44961E1 (en) 1999-08-20 2014-06-24 Adc Telecommunications, Inc. Jack including crosstalk compensation for printed circuit board
USRE43366E1 (en) 1999-08-20 2012-05-08 Adc Telecommunications, Inc. Jack including crosstalk compensation for printed circuit board
US6428362B1 (en) * 1999-08-20 2002-08-06 Adc Telecommunications, Inc. Jack including crosstalk compensation for printed circuit board
USRE41052E1 (en) 1999-08-20 2009-12-22 Adc Telecommunications, Inc. Jack including crosstalk compensation for printed circuit board
US7031474B1 (en) 1999-10-04 2006-04-18 Srs Labs, Inc. Acoustic correction apparatus
US7907736B2 (en) 1999-10-04 2011-03-15 Srs Labs, Inc. Acoustic correction apparatus
US7987281B2 (en) 1999-12-10 2011-07-26 Srs Labs, Inc. System and method for enhanced streaming audio
US20050071028A1 (en) * 1999-12-10 2005-03-31 Yuen Thomas C.K. System and method for enhanced streaming audio
US20090094519A1 (en) * 1999-12-10 2009-04-09 Srs Labs, Inc. System and method for enhanced streaming audio
US7467021B2 (en) 1999-12-10 2008-12-16 Srs Labs, Inc. System and method for enhanced streaming audio
US8751028B2 (en) 1999-12-10 2014-06-10 Dts Llc System and method for enhanced streaming audio
US8046093B2 (en) 1999-12-10 2011-10-25 Srs Labs, Inc. System and method for enhanced streaming audio
US7277767B2 (en) 1999-12-10 2007-10-02 Srs Labs, Inc. System and method for enhanced streaming audio
US7076071B2 (en) 2000-06-12 2006-07-11 Robert A. Katz Process for enhancing the existing ambience, imaging, depth, clarity and spaciousness of sound recordings
US20020015505A1 (en) * 2000-06-12 2002-02-07 Katz Robert A. Process for enhancing the existing ambience, imaging, depth, clarity and spaciousness of sound recordings
US20100166190A1 (en) * 2006-08-10 2010-07-01 Koninklijke Philips Electronics N.V. Device for and a method of processing an audio signal
WO2008018012A3 (en) * 2006-08-10 2008-06-05 Koninkl Philips Electronics Nv A device for and a method of processing an audio signal
US8369532B2 (en) 2006-08-10 2013-02-05 Koninklijke Philips Electronics N.V. Device for and a method of processing an audio signal
WO2008018012A2 (en) 2006-08-10 2008-02-14 Koninklijke Philips Electronics N.V. A device for and a method of processing an audio signal
US8050434B1 (en) 2006-12-21 2011-11-01 Srs Labs, Inc. Multi-channel audio enhancement system
US8509464B1 (en) 2006-12-21 2013-08-13 Dts Llc Multi-channel audio enhancement system
US9232312B2 (en) 2006-12-21 2016-01-05 Dts Llc Multi-channel audio enhancement system
US9088858B2 (en) 2011-01-04 2015-07-21 Dts Llc Immersive audio rendering system
US9154897B2 (en) 2011-01-04 2015-10-06 Dts Llc Immersive audio rendering system
US10034113B2 (en) 2011-01-04 2018-07-24 Dts Llc Immersive audio rendering system
US9258664B2 (en) 2013-05-23 2016-02-09 Comhear, Inc. Headphone audio enhancement system
US9866963B2 (en) 2013-05-23 2018-01-09 Comhear, Inc. Headphone audio enhancement system
US10284955B2 (en) 2013-05-23 2019-05-07 Comhear, Inc. Headphone audio enhancement system
WO2017144774A1 (en) * 2016-02-24 2017-08-31 Panphonics Oy Sound reproducing system

Also Published As

Publication number Publication date
GB1425519A (en) 1976-02-18
FR2203250A1 (it) 1974-05-10
IT995830B (it) 1975-11-20
DE2351423A1 (de) 1974-04-25
CA982057A (en) 1976-01-20
NL180557C (nl) 1987-03-02
DE2351423C2 (de) 1985-05-30
FR2203250B1 (it) 1978-01-06
NL180557B (nl) 1986-10-01
JPS4974801U (it) 1974-06-28
NL7314187A (it) 1974-04-16
JPS5251764Y2 (it) 1977-11-25

Similar Documents

Publication Publication Date Title
US3849600A (en) Stereophonic signal reproducing apparatus
US4408095A (en) Acoustic apparatus
US4394536A (en) Sound reproduction device
US4069394A (en) Stereophonic sound reproduction system
US4567607A (en) Stereo image recovery
US2942070A (en) Means for binaural hearing
US3560656A (en) Binaural phase differential system
US3941931A (en) Audio signal mixing system
US5987141A (en) Stereo expander
US4394535A (en) Split phase stereophonic sound synthesizer
US3145265A (en) Sound reproduction apparatus
US6775385B1 (en) Loudspeaker frequency distribution and adjusting circuit
US5175768A (en) Method and apparatus for enhancing the stereo effect in headsets having cross coupling voice coils
JPH03163999A (ja) 音響再生装置
US3737581A (en) Stereophonic broadcasting receiving system with acoustic matrixing
US3050583A (en) Controllable stereophonic electroacoustic network
US4021614A (en) Woofer equalizer
JPH0127360Y2 (it)
JPH0474920B2 (it)
RU2755807C1 (ru) Аудиосистема с естественным звуковым эффектом типа звукового поля
US3188389A (en) Sound reverberating device
JPH0775437B2 (ja) ３デイメンジヨン再生装置
JPS6325822Y2 (it)
US3068321A (en) Multiplex transmission and reception system for stereophonic material
CA1178897A (en) Switching arrangement for a stereophonic sound synthesizer