GB1388190A - Multi-directional sound system - Google Patents

Multi-directional sound system

Info

Publication number
GB1388190A
GB1388190A GB3069772A GB3069772A GB1388190A GB 1388190 A GB1388190 A GB 1388190A GB 3069772 A GB3069772 A GB 3069772A GB 3069772 A GB3069772 A GB 3069772A GB 1388190 A GB1388190 A GB 1388190A
Authority
GB
United Kingdom
Prior art keywords
degrees
phase
signal
resistor
audio input
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
GB3069772A
Other languages
English (en)
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.)
Sansui Electric Co Ltd
Original Assignee
Sansui Electric Co Ltd
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 Sansui Electric Co Ltd filed Critical Sansui Electric Co Ltd
Publication of GB1388190A publication Critical patent/GB1388190A/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
    • 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)
  • Physics & Mathematics (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)
  • Stereophonic System (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Stereo-Broadcasting Methods (AREA)
GB3069772A 1971-07-02 1972-06-30 Multi-directional sound system Expired GB1388190A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46048674A JPS4944884B1 (enrdf_load_stackoverflow) 1971-07-02 1971-07-02

Publications (1)

Publication Number Publication Date
GB1388190A true GB1388190A (en) 1975-03-26

Family

ID=12809857

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3069772A Expired GB1388190A (en) 1971-07-02 1972-06-30 Multi-directional sound system

Country Status (4)

Country Link
US (1) US3777076A (enrdf_load_stackoverflow)
JP (1) JPS4944884B1 (enrdf_load_stackoverflow)
DE (1) DE2232580C3 (enrdf_load_stackoverflow)
GB (1) GB1388190A (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1447392A (en) * 1972-08-17 1976-08-25 Nagamura F Recording apparatus
JPS5246681B2 (enrdf_load_stackoverflow) * 1972-12-29 1977-11-26
US3890466A (en) * 1973-02-01 1975-06-17 Cbs Inc Encoders for quadraphonic sound system
US5930370A (en) * 1995-09-07 1999-07-27 Rep Investment Limited Liability In-home theater surround sound speaker system
US5708719A (en) * 1995-09-07 1998-01-13 Rep Investment Limited Liability Company In-home theater surround sound speaker system
US6118876A (en) * 1995-09-07 2000-09-12 Rep Investment Limited Liability Company Surround sound speaker system for improved spatial effects
US8374365B2 (en) * 2006-05-17 2013-02-12 Creative Technology Ltd Spatial audio analysis and synthesis for binaural reproduction and format conversion
US9697844B2 (en) * 2006-05-17 2017-07-04 Creative Technology Ltd Distributed spatial audio decoder
US8379868B2 (en) * 2006-05-17 2013-02-19 Creative Technology Ltd Spatial audio coding based on universal spatial cues

Also Published As

Publication number Publication date
JPS4944884B1 (enrdf_load_stackoverflow) 1974-11-30
US3777076A (en) 1973-12-04
DE2232580C3 (de) 1980-08-28
DE2232580A1 (de) 1973-01-18
DE2232580B2 (de) 1979-12-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee