DE2235238A1 - Multisignal-uebertragungseinrichtung - Google Patents

Multisignal-uebertragungseinrichtung

Info

Publication number
DE2235238A1
DE2235238A1 DE2235238A DE2235238A DE2235238A1 DE 2235238 A1 DE2235238 A1 DE 2235238A1 DE 2235238 A DE2235238 A DE 2235238A DE 2235238 A DE2235238 A DE 2235238A DE 2235238 A1 DE2235238 A1 DE 2235238A1
Authority
DE
Germany
Prior art keywords
signal
signals
composite
phase
subordinate
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.)
Ceased
Application number
DE2235238A
Other languages
German (de)
English (en)
Inventor
Katsuaki Tsurushima
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
Publication of DE2235238A1 publication Critical patent/DE2235238A1/de
Ceased legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Algebra (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Stereo-Broadcasting Methods (AREA)
DE2235238A 1971-07-19 1972-07-18 Multisignal-uebertragungseinrichtung Ceased DE2235238A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46053771A JPS5213082B1 (enExample) 1971-07-19 1971-07-19

Publications (1)

Publication Number Publication Date
DE2235238A1 true DE2235238A1 (de) 1973-02-01

Family

ID=12952066

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2235238A Ceased DE2235238A1 (de) 1971-07-19 1972-07-18 Multisignal-uebertragungseinrichtung

Country Status (8)

Country Link
US (1) US3786193A (enExample)
JP (1) JPS5213082B1 (enExample)
CA (2) CA991086A (enExample)
DE (1) DE2235238A1 (enExample)
FR (1) FR2146394B1 (enExample)
GB (1) GB1400061A (enExample)
IT (1) IT963000B (enExample)
NL (1) NL7209930A (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3985978A (en) * 1971-10-06 1976-10-12 Cooper Duane H Method and apparatus for control of FM beat distortion
GB1402320A (en) * 1971-10-25 1975-08-06 Sansui Electric Co Decoder for use in 4-2-4 matrix playback system
JPS5210364B2 (enExample) * 1972-05-02 1977-03-23
DE2227705C3 (de) * 1972-06-07 1975-09-11 Polygram Gmbh, 2000 Hamburg Verfahren zur Herstellung einer vielkanaligen vorzugsweise vierkanaligen (quadraphonischen) Toninformation
US3883692A (en) * 1972-06-16 1975-05-13 Sony Corp Decoder apparatus with logic circuit for use with a four channel stereo
GB1447391A (en) * 1972-08-17 1976-08-25 Nagamura F Grooved record playback system
JPS5235282B2 (enExample) * 1972-09-09 1977-09-08
DE2253696B1 (de) * 1972-11-02 1974-02-21 Electroacustic Gmbh, 2300 Kiel Verfahren zur verringerung von stoerspannungen bei mehrkanaliger wiedergabe von akustischen darbietungen
GB1450533A (en) * 1972-11-08 1976-09-22 Ferrograph Co Ltd Stereo sound reproducing apparatus
US3890466A (en) * 1973-02-01 1975-06-17 Cbs Inc Encoders for quadraphonic sound system
JPS5317283B2 (enExample) * 1973-03-07 1978-06-07
JPS5248001B2 (enExample) * 1973-08-20 1977-12-07
US3919478A (en) * 1974-01-17 1975-11-11 Zenith Radio Corp Passive four-channel decoder
GB1514162A (en) * 1974-03-25 1978-06-14 Ruggles W Directional enhancement system for quadraphonic decoders
US3875338A (en) * 1974-04-18 1975-04-01 Columbia Broadcasting Syst Inc Decoder matrix for quadraphonic sound systems
US3943287A (en) * 1974-06-03 1976-03-09 Cbs Inc. Apparatus and method for decoding four channel sound
US4799260A (en) * 1985-03-07 1989-01-17 Dolby Laboratories Licensing Corporation Variable matrix decoder
US5046098A (en) * 1985-03-07 1991-09-03 Dolby Laboratories Licensing Corporation Variable matrix decoder with three output channels
US4862502A (en) * 1988-01-06 1989-08-29 Lexicon, Inc. Sound reproduction
US5136650A (en) * 1991-01-09 1992-08-04 Lexicon, Inc. Sound reproduction
US5157697A (en) * 1991-03-21 1992-10-20 Novatel Communications, Ltd. Receiver employing correlation technique for canceling cross-talk between in-phase and quadrature channels prior to decoding
US5796844A (en) * 1996-07-19 1998-08-18 Lexicon Multichannel active matrix sound reproduction with maximum lateral separation
US5870480A (en) * 1996-07-19 1999-02-09 Lexicon Multichannel active matrix encoder and decoder with maximum lateral separation
EP2190221B1 (en) * 2008-11-20 2018-09-12 Harman Becker Automotive Systems GmbH Audio system

Family Cites Families (2)

* 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

Also Published As

Publication number Publication date
GB1400061A (en) 1975-07-16
CA991086A (en) 1976-06-15
IT963000B (it) 1973-12-31
JPS5213082B1 (enExample) 1977-04-12
CA1001957A (en) 1976-12-21
NL7209930A (enExample) 1973-01-23
FR2146394A1 (enExample) 1973-03-02
US3786193A (en) 1974-01-15
FR2146394B1 (enExample) 1977-04-01

Similar Documents

Publication Publication Date Title
DE2235238A1 (de) Multisignal-uebertragungseinrichtung
DE2124991C3 (enExample)
DE2264023C3 (de) Dekodierer für ein SQ-Vierkanal-Matrix-System
DE2512907A1 (de) Verfahren und geraet zum vergroessern des richtungsinformationsgehaltes von signalen
DE3723737A1 (de) Wiedergabegeraet fuer stereophonische signale
DE2249039C2 (de) Verfahren zur Aufnahme und Wiedergabe von richtungsbezogener Schallinformation
DE2063524A1 (de) Signaltrennschaltung fur FM Multiplex empfänger
DE2152055A1 (de) Vervielfacherschaltung
DE2230842A1 (de) Einrichtung zur Wiedergabe quadrophonischen Tons
DE2322145C2 (de) Tonsignalumsetzer
DE69432663T2 (de) Senden und empfangen einer ersten und einer zweiten signalkomponente
DE2334650B2 (de) Trägerfrequenzmultiplexsystem
EP0010775A1 (de) Verfahren und Anordnungen zum Umsetzen von Farbvideosignalen in ein in PAL-Farbfernsehempfängern dekodierbares Spezial-Farbhilfsträgersignal
DE2204098A1 (de) System zur Verschlüsselung und Entschlüsselung quadrophonischer Signale
DE2209424A1 (de) Einrichtung zum Umsetzen von Signalen, die quadrophonische Informationen enthalten
DE2317123A1 (de) Vorrichtung zur stereophonischen raumklanguebertragung
DE2204668A1 (de) Mehrkanaliges Tonwiedergabesystem
DE2238346A1 (de) Multisignal-uebertragungseinrichtung
DE2232580A1 (de) Multiphone schallaufzeichnungsund/oder wiedergabe-anordnung
DE2327725C2 (de) Mehrkanal-Tonsignalübertragungssystem und Decodierer hierzu
DE2109557C3 (de) Kompatibles Vierkanal-Rundfunkübertragungssystem
DE2218822A1 (de) Vierkanal-FM-Sender und -empfänger
DE2242845A1 (de) Decodierer fuer die wiedergabe quadrophonischer signale
DE2658853C3 (de) Kompatibles stereophones AM-Übertragungssystem
DE2261519A1 (de) Vierkanal-stereophonie-demodulationssystem

Legal Events

Date Code Title Description
OD Request for examination
8131 Rejection