CA942198A - Multidimensional stereophonic reproducing system - Google Patents

Multidimensional stereophonic reproducing system

Info

Publication number
CA942198A
CA942198A CA122,822A CA122822A CA942198A CA 942198 A CA942198 A CA 942198A CA 122822 A CA122822 A CA 122822A CA 942198 A CA942198 A CA 942198A
Authority
CA
Canada
Prior art keywords
multidimensional
reproducing system
stereophonic reproducing
stereophonic
reproducing
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
Application number
CA122,822A
Other versions
CA122822S (en
Inventor
Kazuho Ohta
Masanobu Shinozaki
Takao Ninomiya
Hirotada Sasaki
Nobuaki Suda
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan Ltd
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 JP9142370U external-priority patent/JPS502001Y1/ja
Priority claimed from JP454371A external-priority patent/JPS502081B1/ja
Priority claimed from JP1971006027U external-priority patent/JPS5116721Y2/ja
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Application granted granted Critical
Publication of CA942198A publication Critical patent/CA942198A/en
Expired 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 
    • 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
CA122,822A 1970-09-15 1971-09-14 Multidimensional stereophonic reproducing system Expired CA942198A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP9142370U JPS502001Y1 (en) 1970-09-15 1970-09-15
JP454371A JPS502081B1 (en) 1971-02-05 1971-02-05
JP1971006027U JPS5116721Y2 (en) 1971-02-06 1971-02-06

Publications (1)

Publication Number Publication Date
CA942198A true CA942198A (en) 1974-02-19

Family

ID=27276333

Family Applications (1)

Application Number Title Priority Date Filing Date
CA122,822A Expired CA942198A (en) 1970-09-15 1971-09-14 Multidimensional stereophonic reproducing system

Country Status (3)

Country Link
US (1) US3745254A (en)
CA (1) CA942198A (en)
DE (1) DE2146197C3 (en)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5313962B2 (en) * 1971-12-21 1978-05-13
US3889061A (en) * 1971-12-21 1975-06-10 Sansui Electric Co Four-channel reproducing system
JPS5228361B2 (en) * 1972-03-09 1977-07-26
DE2227705C3 (en) * 1972-06-07 1975-09-11 Polygram Gmbh, 2000 Hamburg Method for producing multi-channel, preferably four-channel (quadraphonic) sound information
DE2253696B1 (en) * 1972-11-02 1974-02-21 Electroacustic Gmbh, 2300 Kiel PROCESS FOR REDUCING INTERFERENCE VOLTAGE DURING MULTI-CHANNEL REPRODUCTION OF ACOUSTIC REPRESENTATIONS
US3991883A (en) * 1974-05-06 1976-11-16 Powers Manufacturing Incorporated Method and apparatus for identifying a bottle
US3971890A (en) * 1975-02-10 1976-07-27 Cbs Inc. Method and apparatus for quadraphonic enhancement of stereophonic signals
US4002835A (en) * 1975-06-06 1977-01-11 Bumber Roger L Multi-channel decoding circuit for two-channel audio systems
CA1091163A (en) * 1976-03-15 1980-12-09 Curt A. Knoppel Sound processing method and apparatus
JPS5571400A (en) * 1978-11-24 1980-05-29 Hitachi Ltd Monolithic power ic and acoustic unit
HU190912B (en) * 1983-09-07 1986-12-28 Polyak,Gabor,Hu Method and apparatus for making stereoscopic sound effects
US4612663A (en) * 1984-03-26 1986-09-16 Holbrook Kyle A Multichannel audio reproduction system
US4837825A (en) * 1987-02-28 1989-06-06 Shivers Clarence L Passive ambience recovery system for the reproduction of sound
US4819269A (en) * 1987-07-21 1989-04-04 Hughes Aircraft Company Extended imaging split mode loudspeaker system
US4882753A (en) * 1988-01-19 1989-11-21 Shivers Clarence L Passive ambience recovery system for the reproduction of sound
JP2897586B2 (en) * 1993-03-05 1999-05-31 ヤマハ株式会社 Sound field control device
US5386473A (en) * 1994-01-21 1995-01-31 Harrison; Robert W. Passive surround sound circuit
US5661808A (en) 1995-04-27 1997-08-26 Srs Labs, Inc. Stereo enhancement system
US5850453A (en) 1995-07-28 1998-12-15 Srs Labs, Inc. Acoustic correction apparatus
US6118876A (en) * 1995-09-07 2000-09-12 Rep Investment Limited Liability Company Surround sound speaker system for improved spatial effects
US5930370A (en) * 1995-09-07 1999-07-27 Rep Investment Limited Liability In-home theater surround sound speaker system
US5708719A (en) * 1995-09-07 1998-01-13 Rep Investment Limited Liability Company In-home theater surround sound speaker system
US5970152A (en) * 1996-04-30 1999-10-19 Srs Labs, Inc. Audio enhancement system for use in a surround sound environment
EP0808076B1 (en) * 1996-05-17 2007-11-21 Micronas GmbH Surround sound system
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
US6281749B1 (en) 1997-06-17 2001-08-28 Srs Labs, Inc. Sound enhancement system
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
AUPQ938000A0 (en) * 2000-08-14 2000-09-07 Moorthy, Surya Method and system for recording and reproduction of binaural sound
WO2005070097A2 (en) * 2004-01-09 2005-08-04 Masonware Partners, Llc Passive surround sound adapter
US7623669B2 (en) * 2005-03-25 2009-11-24 Upbeat Audio, Inc. Simplified amplifier providing sharing of music with enhanced spatial presence through multiple headphone jacks
US8050434B1 (en) 2006-12-21 2011-11-01 Srs Labs, Inc. Multi-channel audio enhancement system
DE102008057673A1 (en) 2008-11-17 2009-07-02 Daimler Ag Acoustic signal outputting device for vehicle, has signal sources decoupled from each other by decoupling network and electrically connected with moving coil of double-coil loudspeaker, where network is formed by capacitors and resistors
WO2012094335A1 (en) 2011-01-04 2012-07-12 Srs Labs, Inc. Immersive audio rendering system
WO2014190140A1 (en) 2013-05-23 2014-11-27 Alan Kraemer Headphone audio enhancement system
US11089401B2 (en) * 2016-08-01 2021-08-10 Blueprint Acoustics Pty Ltd Apparatus for managing distortion in a signal path and method
US10966041B2 (en) 2018-10-12 2021-03-30 Gilberto Torres Ayala Audio triangular system based on the structure of the stereophonic panning

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124649A (en) * 1964-03-10 Filter
US3164676A (en) * 1961-03-13 1965-01-05 Philco Corp Stereophonic system employing audio matrixing
US3219757A (en) * 1962-08-06 1965-11-23 Gen Electric Sound reproduction from monaural information
US3478167A (en) * 1965-07-12 1969-11-11 Morris Sorkin Three speaker stereophonic audio system
US3632886A (en) * 1969-12-29 1972-01-04 Peter Scheiber Quadrasonic sound system
US3646574A (en) * 1970-05-25 1972-02-29 Howard S Holzer Compatible stereo generator

Also Published As

Publication number Publication date
DE2146197A1 (en) 1972-04-20
DE2146197C3 (en) 1980-01-31
DE2146197B2 (en) 1972-12-28
US3745254A (en) 1973-07-10

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