IL37872A - Quadruphonic reproducing system - Google Patents

Quadruphonic reproducing system

Info

Publication number
IL37872A
IL37872A IL37872A IL3787271A IL37872A IL 37872 A IL37872 A IL 37872A IL 37872 A IL37872 A IL 37872A IL 3787271 A IL3787271 A IL 3787271A IL 37872 A IL37872 A IL 37872A
Authority
IL
Israel
Prior art keywords
signals
composite
networks
operative
signal
Prior art date
Application number
IL37872A
Other languages
English (en)
Other versions
IL37872A0 (en
Original Assignee
Columbia Broadcasting Syst Inc
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 Columbia Broadcasting Syst Inc filed Critical Columbia Broadcasting Syst Inc
Publication of IL37872A0 publication Critical patent/IL37872A0/xx
Publication of IL37872A publication Critical patent/IL37872A/en

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)
  • Stereophonic System (AREA)
IL37872A 1970-10-19 1971-10-07 Quadruphonic reproducing system IL37872A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8185870A 1970-10-19 1970-10-19

Publications (2)

Publication Number Publication Date
IL37872A0 IL37872A0 (en) 1971-12-29
IL37872A true IL37872A (en) 1973-11-28

Family

ID=22166858

Family Applications (1)

Application Number Title Priority Date Filing Date
IL37872A IL37872A (en) 1970-10-19 1971-10-07 Quadruphonic reproducing system

Country Status (6)

Country Link
BE (1) BE772298A (fr)
CA (1) CA974457A (fr)
FR (1) FR2109754A5 (fr)
GB (1) GB1360411A (fr)
IL (1) IL37872A (fr)
NL (1) NL7108370A (fr)

Also Published As

Publication number Publication date
DE2139098B2 (de) 1976-11-25
GB1360411A (en) 1974-07-17
FR2109754A5 (fr) 1972-05-26
CA974457A (en) 1975-09-16
BE772298A (fr) 1972-03-17
AU3214771A (en) 1973-02-15
NL7108370A (fr) 1972-04-21
DE2139098A1 (de) 1972-04-20
IL37872A0 (en) 1971-12-29

Similar Documents

Publication Publication Date Title
JP2642209B2 (ja) モノラル入力信号からステレオ音響効果の強調された出力信号を生成するシステムおよびその生成方法
US5263087A (en) Time constant processing circuit for surround processor
US3708631A (en) Quadraphonic reproducing system with gain control
US3632886A (en) Quadrasonic sound system
JPH0317491Y2 (fr)
US4236039A (en) Signal matrixing for directional reproduction of sound
US3746792A (en) Multidirectional sound system
CA1135839A (fr) Synthetiseur de sons stereophoniques
US5119422A (en) Optimal sonic separator and multi-channel forward imaging system
US4870690A (en) Audio signal transmission system
US3761628A (en) Stereo-quadraphonic matrix system with matrix or discrete sound reproduction capability
JPS6198100A (ja) 立体音響の情報符号化信号発生装置
US2942070A (en) Means for binaural hearing
US6850622B2 (en) Sound field correction circuit
US3812295A (en) Quadraphonic reproducing system with gain riding logic
US3821471A (en) Apparatus for reproducing quadraphonic sound
JP2512038B2 (ja) 音場再生装置
US7957539B2 (en) Sound enhancement system
US3911220A (en) Multisound reproducing apparatus
Percival A compressed-bandwidth stereophonic system for radio transmission
CA2117545C (fr) Eliminateur vocal a sortie stereo simulee
IL37872A (en) Quadruphonic reproducing system
US3067287A (en) Stereophonic sound transmission systems
US3794780A (en) Quadraphonic recording system
CA2098319C (fr) Processeur a signaux servant a restituer les signaux audio d'origine