CA1006826A - Control of crosstalk in multiple frequency recording - Google Patents

Control of crosstalk in multiple frequency recording

Info

Publication number
CA1006826A
CA1006826A CA199,126A CA199126A CA1006826A CA 1006826 A CA1006826 A CA 1006826A CA 199126 A CA199126 A CA 199126A CA 1006826 A CA1006826 A CA 1006826A
Authority
CA
Canada
Prior art keywords
crosstalk
control
multiple frequency
frequency recording
recording
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
CA199,126A
Inventor
Duane H. Cooper
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1006826A publication Critical patent/CA1006826A/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
    • H04S3/006—Systems employing more than two channels, e.g. quadraphonic in which a plurality of audio signals are transformed in a combination of audio signals and modulated signals, e.g. CD-4 systems
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00992—Circuits for stereophonic or quadraphonic recording or reproducing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Stereophonic System (AREA)
  • Optical Recording Or Reproduction (AREA)
CA199,126A 1973-05-10 1974-05-07 Control of crosstalk in multiple frequency recording Expired CA1006826A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48052076A JPS5247884B2 (en) 1973-05-10 1973-05-10

Publications (1)

Publication Number Publication Date
CA1006826A true CA1006826A (en) 1977-03-15

Family

ID=12904714

Family Applications (1)

Application Number Title Priority Date Filing Date
CA199,126A Expired CA1006826A (en) 1973-05-10 1974-05-07 Control of crosstalk in multiple frequency recording

Country Status (6)

Country Link
JP (1) JPS5247884B2 (en)
CA (1) CA1006826A (en)
DE (1) DE2422423C2 (en)
FR (1) FR2229181B1 (en)
GB (1) GB1473531A (en)
NL (1) NL7406328A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4938112U (en) * 1972-07-04 1974-04-04
JPS5437223Y2 (en) * 1974-12-18 1979-11-08
JPS52161015U (en) * 1976-05-29 1977-12-07
JPS53128210A (en) * 1977-04-15 1978-11-09 Nippon Gakki Seizo Kk Display unit for receiving frequency
JPS557607A (en) * 1978-06-30 1980-01-19 Yaesu Musen Co Ltd Digital display system by measuring sum or difference between two frequencies
JPS55164278U (en) * 1979-05-11 1980-11-26

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906156A (en) * 1971-10-06 1975-09-16 Duane H Cooper Signal matrixing for directional reproduction of sound

Also Published As

Publication number Publication date
NL7406328A (en) 1974-11-12
GB1473531A (en) 1977-05-11
FR2229181B1 (en) 1982-03-26
DE2422423A1 (en) 1974-11-28
JPS5247884B2 (en) 1977-12-06
DE2422423C2 (en) 1986-03-06
JPS5019404A (en) 1975-02-28
FR2229181A1 (en) 1974-12-06

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