ES428046A1 - Metodo de codificar y descodificar cuatro senales correla- cionadas cuadrafonicamente. - Google Patents

Metodo de codificar y descodificar cuatro senales correla- cionadas cuadrafonicamente.

Info

Publication number
ES428046A1
ES428046A1 ES428046A ES428046A ES428046A1 ES 428046 A1 ES428046 A1 ES 428046A1 ES 428046 A ES428046 A ES 428046A ES 428046 A ES428046 A ES 428046A ES 428046 A1 ES428046 A1 ES 428046A1
Authority
ES
Spain
Prior art keywords
encoding
decoding system
quadraphonic sound
quadraphonic
signal
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
ES428046A
Other languages
English (en)
Spanish (es)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES428046A1 publication Critical patent/ES428046A1/es
Expired 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)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Stereophonic System (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
ES428046A 1973-07-09 1974-07-06 Metodo de codificar y descodificar cuatro senales correla- cionadas cuadrafonicamente. Expired ES428046A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7309536A NL7309536A (nl) 1973-07-09 1973-07-09 Kodeer- en dekodeersysteem voor quadrofonisch geluid.

Publications (1)

Publication Number Publication Date
ES428046A1 true ES428046A1 (es) 1976-12-01

Family

ID=19819224

Family Applications (1)

Application Number Title Priority Date Filing Date
ES428046A Expired ES428046A1 (es) 1973-07-09 1974-07-06 Metodo de codificar y descodificar cuatro senales correla- cionadas cuadrafonicamente.

Country Status (11)

Country Link
US (1) US3968331A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5039502A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU7098574A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE817456A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1002879A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH582459A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2431725A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES428046A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2237391A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1014485B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7309536A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5250216A (en) * 1975-10-20 1977-04-22 Hitachi Ltd Noise reducing circuit for multi-channel stereo
JPS52109001A (en) * 1976-03-09 1977-09-12 Masahiko Kiyotani Furnace water pipe boiler
JPS5357550A (en) * 1976-11-05 1978-05-24 Hitachi Ltd Shell and tube type water cooler
JPS58203370A (ja) * 1982-05-21 1983-11-26 株式会社日立製作所 吸収式冷凍機の発生器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3218393A (en) * 1960-02-11 1965-11-16 Leonard R Kahn Compatible stereophonic transmission and reception systems, and methods and components characterizing same
US3564162A (en) * 1968-02-02 1971-02-16 Columbia Broadcasting Syst Inc Stereophonic recording systems with quadrature phase relation
JPS515763B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-05-24 1976-02-23
US3761628A (en) * 1972-04-13 1973-09-25 Columbia Broadcasting Syst Inc Stereo-quadraphonic matrix system with matrix or discrete sound reproduction capability

Also Published As

Publication number Publication date
IT1014485B (it) 1977-04-20
US3968331A (en) 1976-07-06
DE2431725A1 (de) 1975-01-30
NL7309536A (nl) 1975-01-13
AU7098574A (en) 1976-01-08
FR2237391A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-02-07
BE817456A (fr) 1975-01-09
CH582459A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-11-30
JPS5039502A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-04-11
CA1002879A (en) 1977-01-04

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