JPH0546910B2 - - Google Patents

Info

Publication number
JPH0546910B2
JPH0546910B2 JP59503834A JP50383484A JPH0546910B2 JP H0546910 B2 JPH0546910 B2 JP H0546910B2 JP 59503834 A JP59503834 A JP 59503834A JP 50383484 A JP50383484 A JP 50383484A JP H0546910 B2 JPH0546910 B2 JP H0546910B2
Authority
JP
Japan
Prior art keywords
signal
audio
channel
time
acoustic
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 - Fee Related
Application number
JP59503834A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61500329A (ja
Inventor
Seshiru Harorudo Kookaa
Deiuitsudo Rosu Fuisheru
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.)
AT&T Corp
Original Assignee
American Telephone and Telegraph Co Inc
AT&T 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 American Telephone and Telegraph Co Inc, AT&T Corp filed Critical American Telephone and Telegraph Co Inc
Publication of JPS61500329A publication Critical patent/JPS61500329A/ja
Publication of JPH0546910B2 publication Critical patent/JPH0546910B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
    • G01S3/802—Systems for determining direction or deviation from predetermined direction
    • G01S3/808—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
    • G01S3/8083—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems determining direction of source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/403—Linear arrays of transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP59503834A 1983-11-04 1984-10-04 音響源の角度位置を決定するための信号処理装置 Granted JPS61500329A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US549,258 1983-11-04
US06/549,258 US4581758A (en) 1983-11-04 1983-11-04 Acoustic direction identification system

Publications (2)

Publication Number Publication Date
JPS61500329A JPS61500329A (ja) 1986-02-27
JPH0546910B2 true JPH0546910B2 (en]) 1993-07-15

Family

ID=24192261

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59503834A Granted JPS61500329A (ja) 1983-11-04 1984-10-04 音響源の角度位置を決定するための信号処理装置

Country Status (6)

Country Link
US (1) US4581758A (en])
EP (1) EP0162858B1 (en])
JP (1) JPS61500329A (en])
CA (1) CA1230666A (en])
DE (1) DE3477846D1 (en])
WO (1) WO1985002022A1 (en])

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JP5867066B2 (ja) * 2011-12-26 2016-02-24 富士ゼロックス株式会社 音声解析装置
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Also Published As

Publication number Publication date
JPS61500329A (ja) 1986-02-27
EP0162858B1 (en) 1989-04-19
EP0162858A1 (en) 1985-12-04
WO1985002022A1 (en) 1985-05-09
CA1230666A (en) 1987-12-22
US4581758A (en) 1986-04-08
DE3477846D1 (en) 1989-05-24

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees