BR7303322D0 - Aparelho para produzir sinais representando um campo de som - Google Patents

Aparelho para produzir sinais representando um campo de som

Info

Publication number
BR7303322D0
BR7303322D0 BR3322/73A BR332273A BR7303322D0 BR 7303322 D0 BR7303322 D0 BR 7303322D0 BR 3322/73 A BR3322/73 A BR 3322/73A BR 332273 A BR332273 A BR 332273A BR 7303322 D0 BR7303322 D0 BR 7303322D0
Authority
BR
Brazil
Prior art keywords
sound field
signs representing
produce signs
produce
representing
Prior art date
Application number
BR3322/73A
Other languages
English (en)
Portuguese (pt)
Inventor
J Gilson
A Limberg
R Christensen
Original Assignee
Rac 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 Rac Corp filed Critical Rac Corp
Publication of BR7303322D0 publication Critical patent/BR7303322D0/pt

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)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Stereophonic Arrangements (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Circuit For Audible Band Transducer (AREA)
BR3322/73A 1972-05-09 1973-05-08 Aparelho para produzir sinais representando um campo de som BR7303322D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00251742A US3824342A (en) 1972-05-09 1972-05-09 Omnidirectional sound field reproducing system

Publications (1)

Publication Number Publication Date
BR7303322D0 true BR7303322D0 (pt) 1974-07-11

Family

ID=22953214

Family Applications (1)

Application Number Title Priority Date Filing Date
BR3322/73A BR7303322D0 (pt) 1972-05-09 1973-05-08 Aparelho para produzir sinais representando um campo de som

Country Status (15)

Country Link
US (1) US3824342A (xx)
JP (1) JPS5215201B2 (xx)
AT (1) AT350294B (xx)
BR (1) BR7303322D0 (xx)
CA (1) CA976090A (xx)
CH (1) CH565494A5 (xx)
DD (1) DD104673A5 (xx)
DE (1) DE2317124A1 (xx)
DK (1) DK137110B (xx)
ES (1) ES414567A1 (xx)
FR (1) FR2183974B1 (xx)
GB (1) GB1432153A (xx)
IT (1) IT984179B (xx)
NL (1) NL7306404A (xx)
SE (1) SE378969B (xx)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3970788A (en) * 1971-10-06 1976-07-20 Cooper Duane H Monaural and stereo compatible multidirectional sound matrixing
GB1494751A (en) * 1974-03-26 1977-12-14 Nat Res Dev Sound reproduction systems
US3940559A (en) * 1974-04-18 1976-02-24 Cbs Inc. Compatible four channel recording and reproducing system
GB1512514A (en) * 1974-07-12 1978-06-01 Nat Res Dev Microphone assemblies
JPS5187002A (en) * 1975-01-29 1976-07-30 Nippon Telegraph & Telephone 4 chanerusutereohoshiki
JPS5230402A (en) * 1975-09-04 1977-03-08 Victor Co Of Japan Ltd Multichannel stereo system
US4074084A (en) * 1975-11-05 1978-02-14 Berg Johannes C M Van Den Method and apparatus for receiving sound intended for stereophonic reproduction
US4095049A (en) * 1976-03-15 1978-06-13 National Research Development Corporation Non-rotationally-symmetric surround-sound encoding system
GB1548674A (en) * 1976-07-01 1979-07-18 Nat Res Dev Sound reproduction systems
US4236039A (en) * 1976-07-19 1980-11-25 National Research Development Corporation Signal matrixing for directional reproduction of sound
US4392019A (en) * 1980-12-19 1983-07-05 Independent Broadcasting Authority Surround sound system
HU190912B (en) * 1983-09-07 1986-12-28 Polyak,Gabor,Hu Method and apparatus for making stereoscopic sound effects
US6041127A (en) * 1997-04-03 2000-03-21 Lucent Technologies Inc. Steerable and variable first-order differential microphone array
ITMI20020566A1 (it) * 2002-03-18 2003-09-18 Daniele Ramenzoni Dispositivo per captare movimenti anche piccoli nell'aria e nei fluidi adatto per applicazioni cibernetiche e di laboratorio come trasduttor
US8130977B2 (en) * 2005-12-27 2012-03-06 Polycom, Inc. Cluster of first-order microphones and method of operation for stereo input of videoconferencing system
TWI498014B (zh) * 2012-07-11 2015-08-21 Univ Nat Cheng Kung 建立最佳化揚聲器聲場之方法
US10631085B2 (en) 2018-05-07 2020-04-21 Crestron Electronics, Inc. Microphone array system with Ethernet connection

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3746792A (en) * 1968-01-11 1973-07-17 P Scheiber Multidirectional sound system
GB1359509A (en) * 1970-06-15 1974-07-10 Scheiber P Decoder apparatus for use in a multidirectional sound system

Also Published As

Publication number Publication date
ES414567A1 (es) 1976-02-01
DE2317124A1 (de) 1973-11-22
JPS4955301A (xx) 1974-05-29
SE378969B (xx) 1975-09-15
AT350294B (de) 1979-05-25
DD104673A5 (xx) 1974-03-12
AU5511673A (en) 1974-11-07
DK137110C (xx) 1978-06-19
DK137110B (da) 1978-01-16
CA976090A (en) 1975-10-14
ATA410273A (de) 1978-10-15
US3824342A (en) 1974-07-16
JPS5215201B2 (xx) 1977-04-27
FR2183974B1 (xx) 1978-02-10
CH565494A5 (xx) 1975-08-15
NL7306404A (xx) 1973-11-13
FR2183974A1 (xx) 1973-12-21
GB1432153A (en) 1976-04-14
IT984179B (it) 1974-11-20

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