CA2982567C - Audio detection system and methods - Google Patents

Audio detection system and methods Download PDF

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Publication number
CA2982567C
CA2982567C CA2982567A CA2982567A CA2982567C CA 2982567 C CA2982567 C CA 2982567C CA 2982567 A CA2982567 A CA 2982567A CA 2982567 A CA2982567 A CA 2982567A CA 2982567 C CA2982567 C CA 2982567C
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Canada
Prior art keywords
laser
frequency
spectral
data
electromagnetic radiation
Prior art date
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Active
Application number
CA2982567A
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English (en)
French (fr)
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CA2982567A1 (en
Inventor
Richard Sebastian
Kendall Belsley
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.)
DSCG Solutions Inc
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DSCG Solutions Inc
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Publication date
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Publication of CA2982567A1 publication Critical patent/CA2982567A1/en
Application granted granted Critical
Publication of CA2982567C publication Critical patent/CA2982567C/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H04R23/008—Transducers other than those covered by groups H04R9/00 - H04R21/00 using optical signals for detecting or generating sound
    • 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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/50—Systems of measurement based on relative movement of target
    • G01S17/58—Velocity or trajectory determination systems; Sense-of-movement determination 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters alone
    • G01S7/4815—Constructional features, e.g. arrangements of optical elements of transmitters alone using multiple transmitters
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/13—Acoustic transducers and sound field adaptation in vehicles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/40—Arrangements for obtaining a desired directivity characteristic
    • H04R25/407—Circuits for combining signals of a plurality of transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/005—Circuits for transducers for combining the signals of two or more microphones

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Health & Medical Sciences (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Traffic Control Systems (AREA)
CA2982567A 2015-04-13 2016-04-13 Audio detection system and methods Active CA2982567C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562146736P 2015-04-13 2015-04-13
US62/146,736 2015-04-13
US15/096,881 2016-04-12
US15/096,881 US9877114B2 (en) 2015-04-13 2016-04-12 Audio detection system and methods
PCT/US2016/027273 WO2016168288A1 (en) 2015-04-13 2016-04-13 Audio detection system and methods

Publications (2)

Publication Number Publication Date
CA2982567A1 CA2982567A1 (en) 2016-10-20
CA2982567C true CA2982567C (en) 2023-10-10

Family

ID=57112952

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2982567A Active CA2982567C (en) 2015-04-13 2016-04-13 Audio detection system and methods

Country Status (7)

Country Link
US (2) US9877114B2 (enExample)
EP (2) EP3284070A4 (enExample)
JP (1) JP6956638B2 (enExample)
CN (1) CN107615778B (enExample)
AU (1) AU2016247979B2 (enExample)
CA (1) CA2982567C (enExample)
WO (1) WO2016168288A1 (enExample)

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Also Published As

Publication number Publication date
US20180146304A1 (en) 2018-05-24
US9877114B2 (en) 2018-01-23
EP3284070A4 (en) 2019-01-16
CA2982567A1 (en) 2016-10-20
AU2016247979B2 (en) 2021-07-29
JP6956638B2 (ja) 2021-11-02
US20160302010A1 (en) 2016-10-13
CN107615778A (zh) 2018-01-19
EP3284070A1 (en) 2018-02-21
US10582311B2 (en) 2020-03-03
JP2018516496A (ja) 2018-06-21
WO2016168288A1 (en) 2016-10-20
EP3901654A1 (en) 2021-10-27
CN107615778B (zh) 2020-10-30
AU2016247979A1 (en) 2017-11-02

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