GB2519315B - Method and apparatus for identifying actual signal sources among a plurality of signal sources with artefacts detection - Google Patents

Method and apparatus for identifying actual signal sources among a plurality of signal sources with artefacts detection Download PDF

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Publication number
GB2519315B
GB2519315B GB1318302.5A GB201318302A GB2519315B GB 2519315 B GB2519315 B GB 2519315B GB 201318302 A GB201318302 A GB 201318302A GB 2519315 B GB2519315 B GB 2519315B
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United Kingdom
Prior art keywords
signal sources
artefacts
detection
identifying actual
actual signal
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.)
Active
Application number
GB1318302.5A
Other versions
GB201318302D0 (en
GB2519315A (en
Inventor
Citerin Johann
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to GB1318302.5A priority Critical patent/GB2519315B/en
Publication of GB201318302D0 publication Critical patent/GB201318302D0/en
Publication of GB2519315A publication Critical patent/GB2519315A/en
Application granted granted Critical
Publication of GB2519315B publication Critical patent/GB2519315B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0272—Voice signal separating
    • 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
    • G01S3/8006—Multi-channel systems specially adapted for direction-finding, i.e. having a single aerial system capable of giving simultaneous indications of the directions of different signals
    • 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
    • G10L2021/02166—Microphone arrays; Beamforming

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Quality & Reliability (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Complex Calculations (AREA)
GB1318302.5A 2013-10-16 2013-10-16 Method and apparatus for identifying actual signal sources among a plurality of signal sources with artefacts detection Active GB2519315B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1318302.5A GB2519315B (en) 2013-10-16 2013-10-16 Method and apparatus for identifying actual signal sources among a plurality of signal sources with artefacts detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1318302.5A GB2519315B (en) 2013-10-16 2013-10-16 Method and apparatus for identifying actual signal sources among a plurality of signal sources with artefacts detection

Publications (3)

Publication Number Publication Date
GB201318302D0 GB201318302D0 (en) 2013-11-27
GB2519315A GB2519315A (en) 2015-04-22
GB2519315B true GB2519315B (en) 2020-12-16

Family

ID=49680129

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1318302.5A Active GB2519315B (en) 2013-10-16 2013-10-16 Method and apparatus for identifying actual signal sources among a plurality of signal sources with artefacts detection

Country Status (1)

Country Link
GB (1) GB2519315B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994026075A1 (en) * 1993-05-03 1994-11-10 The University Of British Columbia Tracking platform system
WO2004012576A2 (en) * 2002-08-05 2004-02-12 Kestrel Corporation A method for detecting a functional signal in retinal images
US20120069714A1 (en) * 2010-08-17 2012-03-22 Honda Motor Co., Ltd. Sound direction estimation apparatus and sound direction estimation method
US20120095753A1 (en) * 2010-10-15 2012-04-19 Honda Motor Co., Ltd. Noise power estimation system, noise power estimating method, speech recognition system and speech recognizing method
US20140072142A1 (en) * 2012-09-13 2014-03-13 Honda Motor Co., Ltd. Sound direction estimation device, sound processing system, sound direction estimation method, and sound direction estimation program

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994026075A1 (en) * 1993-05-03 1994-11-10 The University Of British Columbia Tracking platform system
WO2004012576A2 (en) * 2002-08-05 2004-02-12 Kestrel Corporation A method for detecting a functional signal in retinal images
US20120069714A1 (en) * 2010-08-17 2012-03-22 Honda Motor Co., Ltd. Sound direction estimation apparatus and sound direction estimation method
US20120095753A1 (en) * 2010-10-15 2012-04-19 Honda Motor Co., Ltd. Noise power estimation system, noise power estimating method, speech recognition system and speech recognizing method
US20140072142A1 (en) * 2012-09-13 2014-03-13 Honda Motor Co., Ltd. Sound direction estimation device, sound processing system, sound direction estimation method, and sound direction estimation program

Also Published As

Publication number Publication date
GB201318302D0 (en) 2013-11-27
GB2519315A (en) 2015-04-22

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