CA982056A - Decoder apparatus with logic circuit for use with a four channel stereo - Google Patents

Decoder apparatus with logic circuit for use with a four channel stereo

Info

Publication number
CA982056A
CA982056A CA174,187A CA174187A CA982056A CA 982056 A CA982056 A CA 982056A CA 174187 A CA174187 A CA 174187A CA 982056 A CA982056 A CA 982056A
Authority
CA
Canada
Prior art keywords
logic circuit
channel stereo
decoder apparatus
decoder
stereo
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
CA174,187A
Other languages
English (en)
Other versions
CA174187S (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
Application granted granted Critical
Publication of CA982056A publication Critical patent/CA982056A/en
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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • H04H20/89—Stereophonic broadcast systems using three or more audio channels, e.g. triphonic or quadraphonic

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • General Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Algebra (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
  • Stereo-Broadcasting Methods (AREA)
CA174,187A 1972-06-16 1973-06-15 Decoder apparatus with logic circuit for use with a four channel stereo Expired CA982056A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6010072A JPS55960B2 (es) 1972-06-16 1972-06-16

Publications (1)

Publication Number Publication Date
CA982056A true CA982056A (en) 1976-01-20

Family

ID=13132325

Family Applications (1)

Application Number Title Priority Date Filing Date
CA174,187A Expired CA982056A (en) 1972-06-16 1973-06-15 Decoder apparatus with logic circuit for use with a four channel stereo

Country Status (5)

Country Link
JP (1) JPS55960B2 (es)
BR (1) BR7304472D0 (es)
CA (1) CA982056A (es)
DE (1) DE2330577C2 (es)
GB (1) GB1430139A (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1522599A (en) * 1974-11-16 1978-08-23 Dolby Laboratories Inc Centre channel derivation for stereophonic cinema sound
JPS613299Y2 (es) * 1980-06-20 1986-02-01
JPS6031220U (ja) * 1983-08-09 1985-03-02 株式会社クボタ コンバインの刈取部保護装置
US4589129A (en) * 1984-02-21 1986-05-13 Kintek, Inc. Signal decoding system

Also Published As

Publication number Publication date
JPS4922101A (es) 1974-02-27
DE2330577C2 (de) 1983-01-20
JPS55960B2 (es) 1980-01-10
DE2330577A1 (de) 1974-01-03
GB1430139A (en) 1976-03-31
BR7304472D0 (pt) 1974-09-05

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