IT963789B - Apparato di riproduzione multifonico - Google Patents

Apparato di riproduzione multifonico

Info

Publication number
IT963789B
IT963789B IT27942/72A IT2794272A IT963789B IT 963789 B IT963789 B IT 963789B IT 27942/72 A IT27942/72 A IT 27942/72A IT 2794272 A IT2794272 A IT 2794272A IT 963789 B IT963789 B IT 963789B
Authority
IT
Italy
Prior art keywords
multiphone
playback device
playback
multiphone playback
Prior art date
Application number
IT27942/72A
Other languages
English (en)
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
Priority claimed from JP46059483A external-priority patent/JPS5213083B2/ja
Priority claimed from JP46062104A external-priority patent/JPS52685B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of IT963789B publication Critical patent/IT963789B/it

Links

Classifications

    • 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
IT27942/72A 1971-08-06 1972-08-05 Apparato di riproduzione multifonico IT963789B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP46059483A JPS5213083B2 (it) 1971-08-06 1971-08-06
JP46062104A JPS52685B2 (it) 1971-08-16 1971-08-16

Publications (1)

Publication Number Publication Date
IT963789B true IT963789B (it) 1974-01-21

Family

ID=26400529

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27942/72A IT963789B (it) 1971-08-06 1972-08-05 Apparato di riproduzione multifonico

Country Status (7)

Country Link
US (1) US3911220A (it)
CA (1) CA977688A (it)
DE (1) DE2238346A1 (it)
FR (1) FR2148524B1 (it)
GB (1) GB1398786A (it)
IT (1) IT963789B (it)
NL (1) NL7210757A (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5645358B2 (it) * 1973-11-29 1981-10-26
JPS5230402A (en) * 1975-09-04 1977-03-08 Victor Co Of Japan Ltd Multichannel stereo system
US4567607A (en) * 1983-05-03 1986-01-28 Stereo Concepts, Inc. Stereo image recovery
US4748669A (en) * 1986-03-27 1988-05-31 Hughes Aircraft Company Stereo enhancement system
JPH0537478A (ja) * 1991-07-31 1993-02-12 Fujitsu Ten Ltd 音場制御装置
US5661808A (en) 1995-04-27 1997-08-26 Srs Labs, Inc. Stereo 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
US9258664B2 (en) 2013-05-23 2016-02-09 Comhear, Inc. Headphone audio enhancement system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3632886A (en) * 1969-12-29 1972-01-04 Peter Scheiber Quadrasonic sound system
US3708631A (en) * 1970-06-08 1973-01-02 Columbia Broadcasting Syst Inc Quadraphonic reproducing system with gain control
US3798373A (en) * 1971-06-23 1974-03-19 Columbia Broadcasting Syst Inc Apparatus for reproducing quadraphonic sound

Also Published As

Publication number Publication date
DE2238346A1 (de) 1973-02-22
FR2148524B1 (it) 1977-07-22
NL7210757A (it) 1973-02-08
FR2148524A1 (it) 1973-03-23
CA977688A (en) 1975-11-11
GB1398786A (en) 1975-06-25
US3911220A (en) 1975-10-07

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