IT984179B - SYSTEM FOR THE REPRODUCTION OF SOUNDS - Google Patents

SYSTEM FOR THE REPRODUCTION OF SOUNDS

Info

Publication number
IT984179B
IT984179B IT23574/73A IT2357473A IT984179B IT 984179 B IT984179 B IT 984179B IT 23574/73 A IT23574/73 A IT 23574/73A IT 2357473 A IT2357473 A IT 2357473A IT 984179 B IT984179 B IT 984179B
Authority
IT
Italy
Prior art keywords
sounds
reproduction
Prior art date
Application number
IT23574/73A
Other languages
Italian (it)
Original Assignee
Rca 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 Rca Corp filed Critical Rca Corp
Application granted granted Critical
Publication of IT984179B publication Critical patent/IT984179B/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
IT23574/73A 1972-05-09 1973-04-30 SYSTEM FOR THE REPRODUCTION OF SOUNDS IT984179B (en)

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
IT984179B true IT984179B (en) 1974-11-20

Family

ID=22953214

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23574/73A IT984179B (en) 1972-05-09 1973-04-30 SYSTEM FOR THE REPRODUCTION OF SOUNDS

Country Status (15)

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

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 (en) * 2002-03-18 2003-09-18 Daniele Ramenzoni DEVICE TO CAPTURE EVEN SMALL MOVEMENTS IN THE AIR AND IN FLUIDS SUITABLE FOR CYBERNETIC AND LABORATORY APPLICATIONS AS TRANSDUCER
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 (en) * 2012-07-11 2015-08-21 Univ Nat Cheng Kung Method for generating optimal sound field using speakers
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
US3824342A (en) 1974-07-16
DK137110B (en) 1978-01-16
DE2317124A1 (en) 1973-11-22
FR2183974B1 (en) 1978-02-10
CA976090A (en) 1975-10-14
CH565494A5 (en) 1975-08-15
JPS4955301A (en) 1974-05-29
DD104673A5 (en) 1974-03-12
AT350294B (en) 1979-05-25
DK137110C (en) 1978-06-19
SE378969B (en) 1975-09-15
BR7303322D0 (en) 1974-07-11
JPS5215201B2 (en) 1977-04-27
ES414567A1 (en) 1976-02-01
ATA410273A (en) 1978-10-15
GB1432153A (en) 1976-04-14
NL7306404A (en) 1973-11-13
AU5511673A (en) 1974-11-07
FR2183974A1 (en) 1973-12-21

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