AU1650300A - Directional detection of acoustic signals - Google Patents
Directional detection of acoustic signalsInfo
- Publication number
- AU1650300A AU1650300A AU16503/00A AU1650300A AU1650300A AU 1650300 A AU1650300 A AU 1650300A AU 16503/00 A AU16503/00 A AU 16503/00A AU 1650300 A AU1650300 A AU 1650300A AU 1650300 A AU1650300 A AU 1650300A
- Authority
- AU
- Australia
- Prior art keywords
- acoustic signals
- directional detection
- directional
- detection
- 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.)
- Abandoned
Links
Classifications
-
- 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
-
- 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
- G01S3/801—Details
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DKPA199801731 | 1998-12-20 | ||
DKPA199801731 | 1998-12-20 | ||
PCT/DK1999/000707 WO2000037962A1 (en) | 1998-12-20 | 1999-12-17 | Directional detection of acoustic signals |
Publications (1)
Publication Number | Publication Date |
---|---|
AU1650300A true AU1650300A (en) | 2000-07-12 |
Family
ID=8107604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU16503/00A Abandoned AU1650300A (en) | 1998-12-20 | 1999-12-17 | Directional detection of acoustic signals |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU1650300A (en) |
WO (1) | WO2000037962A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101081752B1 (en) | 2009-11-30 | 2011-11-09 | 한국과학기술연구원 | Artificial Ear and Method for Detecting the Direction of a Sound Source Using the Same |
US9479867B2 (en) * | 2013-07-11 | 2016-10-25 | Texas Instruments Incorporated | Method and circuitry for direction of arrival estimation using microphone array with a sharp null |
CN113890918A (en) * | 2021-11-12 | 2022-01-04 | 深圳康佳电子科技有限公司 | Multipoint far-field voice interaction equipment |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0823576B2 (en) * | 1986-09-29 | 1996-03-06 | 株式会社光電製作所 | Wireless direction finding antenna device |
DE3932620A1 (en) * | 1989-09-29 | 1991-04-11 | Mantel Juval | LOCATION SYSTEM FOR SOUND IMPULSES |
-
1999
- 1999-12-17 AU AU16503/00A patent/AU1650300A/en not_active Abandoned
- 1999-12-17 WO PCT/DK1999/000707 patent/WO2000037962A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2000037962A1 (en) | 2000-06-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK6 | Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase |