FR2331930A1 - Systemes de reproduction des sons - Google Patents

Systemes de reproduction des sons

Info

Publication number
FR2331930A1
FR2331930A1 FR7633920A FR7633920A FR2331930A1 FR 2331930 A1 FR2331930 A1 FR 2331930A1 FR 7633920 A FR7633920 A FR 7633920A FR 7633920 A FR7633920 A FR 7633920A FR 2331930 A1 FR2331930 A1 FR 2331930A1
Authority
FR
France
Prior art keywords
sound reproduction
reproduction systems
systems
sound
reproduction
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.)
Granted
Application number
FR7633920A
Other languages
English (en)
Other versions
FR2331930B1 (fr
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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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 National Research Development Corp UK filed Critical National Research Development Corp UK
Publication of FR2331930A1 publication Critical patent/FR2331930A1/fr
Application granted granted Critical
Publication of FR2331930B1 publication Critical patent/FR2331930B1/fr
Granted 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
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/11—Application of ambisonics in stereophonic audio systems

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)
  • Stereo-Broadcasting Methods (AREA)
FR7633920A 1975-11-13 1976-11-10 Systemes de reproduction des sons Granted FR2331930A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB46822/75A GB1550627A (en) 1975-11-13 1975-11-13 Sound reproduction systems

Publications (2)

Publication Number Publication Date
FR2331930A1 true FR2331930A1 (fr) 1977-06-10
FR2331930B1 FR2331930B1 (fr) 1982-12-03

Family

ID=10442718

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7633920A Granted FR2331930A1 (fr) 1975-11-13 1976-11-10 Systemes de reproduction des sons

Country Status (10)

Country Link
US (1) US4081606A (fr)
JP (1) JPS5261403A (fr)
CA (1) CA1063035A (fr)
CH (1) CH622919A5 (fr)
DE (1) DE2649525A1 (fr)
DK (1) DK505876A (fr)
FR (1) FR2331930A1 (fr)
GB (1) GB1550627A (fr)
IT (1) IT1064312B (fr)
NL (1) NL7612634A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2073556B (en) * 1980-02-23 1984-02-22 Nat Res Dev Sound reproduction systems
JPS6374289U (fr) * 1986-10-31 1988-05-18
US5757927A (en) * 1992-03-02 1998-05-26 Trifield Productions Ltd. Surround sound apparatus
US6021206A (en) * 1996-10-02 2000-02-01 Lake Dsp Pty Ltd Methods and apparatus for processing spatialised audio
US6665407B1 (en) * 1998-09-28 2003-12-16 Creative Technology Ltd. Three channel panning system
US7876903B2 (en) * 2006-07-07 2011-01-25 Harris Corporation Method and apparatus for creating a multi-dimensional communication space for use in a binaural audio system
US9332372B2 (en) 2010-06-07 2016-05-03 International Business Machines Corporation Virtual spatial sound scape
US9338552B2 (en) 2014-05-09 2016-05-10 Trifield Ip, Llc Coinciding low and high frequency localization panning

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1369813A (en) * 1971-02-02 1974-10-09 Nat Res Dev Reproduction of sound
US3821471A (en) * 1971-03-15 1974-06-28 Cbs Inc Apparatus for reproducing quadraphonic sound
US3856992A (en) * 1971-10-06 1974-12-24 D Cooper Multidirectional sound reproduction
JPS5313962B2 (fr) * 1971-12-21 1978-05-13
JPS5210364B2 (fr) * 1972-05-02 1977-03-23
US3883692A (en) * 1972-06-16 1975-05-13 Sony Corp Decoder apparatus with logic circuit for use with a four channel stereo
JPS5236681B2 (fr) * 1972-11-30 1977-09-17
GB1494751A (en) * 1974-03-26 1977-12-14 Nat Res Dev Sound reproduction systems

Also Published As

Publication number Publication date
DE2649525C2 (fr) 1988-01-14
DE2649525A1 (de) 1977-05-26
NL7612634A (nl) 1977-05-17
CH622919A5 (fr) 1981-04-30
JPS6131680B2 (fr) 1986-07-22
JPS5261403A (en) 1977-05-20
US4081606A (en) 1978-03-28
IT1064312B (it) 1985-02-18
CA1063035A (fr) 1979-09-25
GB1550627A (en) 1979-08-15
DK505876A (da) 1977-05-14
FR2331930B1 (fr) 1982-12-03

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse