GB201811456D0 - A microphone system - Google Patents

A microphone system

Info

Publication number
GB201811456D0
GB201811456D0 GBGB1811456.1A GB201811456A GB201811456D0 GB 201811456 D0 GB201811456 D0 GB 201811456D0 GB 201811456 A GB201811456 A GB 201811456A GB 201811456 D0 GB201811456 D0 GB 201811456D0
Authority
GB
United Kingdom
Prior art keywords
microphone system
microphone
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.)
Withdrawn
Application number
GBGB1811456.1A
Other versions
GB2575491A (en
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.)
Centricam Tech Ltd
Original Assignee
Centricam Tech Ltd
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 Centricam Tech Ltd filed Critical Centricam Tech Ltd
Priority to GB1811456.1A priority Critical patent/GB2575491A/en
Publication of GB201811456D0 publication Critical patent/GB201811456D0/en
Priority to TW108124801A priority patent/TW202007186A/en
Priority to PCT/EP2019/068777 priority patent/WO2020011962A1/en
Publication of GB2575491A publication Critical patent/GB2575491A/en
Withdrawn legal-status Critical Current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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • 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
    • H04R2201/401—2D or 3D arrays of transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/20—Processing of the output signals of the acoustic transducers of an array for obtaining a desired directivity characteristic
GB1811456.1A 2018-07-12 2018-07-12 A microphone system Withdrawn GB2575491A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1811456.1A GB2575491A (en) 2018-07-12 2018-07-12 A microphone system
TW108124801A TW202007186A (en) 2018-07-12 2019-07-12 A microphone system
PCT/EP2019/068777 WO2020011962A1 (en) 2018-07-12 2019-07-12 A microphone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1811456.1A GB2575491A (en) 2018-07-12 2018-07-12 A microphone system

Publications (2)

Publication Number Publication Date
GB201811456D0 true GB201811456D0 (en) 2018-08-29
GB2575491A GB2575491A (en) 2020-01-15

Family

ID=63273182

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1811456.1A Withdrawn GB2575491A (en) 2018-07-12 2018-07-12 A microphone system

Country Status (3)

Country Link
GB (1) GB2575491A (en)
TW (1) TW202007186A (en)
WO (1) WO2020011962A1 (en)

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5757933A (en) * 1996-12-11 1998-05-26 Micro Ear Technology, Inc. In-the-ear hearing aid with directional microphone system
EP0802699A3 (en) * 1997-07-16 1998-02-25 Phonak Ag Method for electronically enlarging the distance between two acoustical/electrical transducers and hearing aid apparatus
US20010028718A1 (en) * 2000-02-17 2001-10-11 Audia Technology, Inc. Null adaptation in multi-microphone directional system
US6584203B2 (en) * 2001-07-18 2003-06-24 Agere Systems Inc. Second-order adaptive differential microphone array
EP1773100A1 (en) * 2005-10-04 2007-04-11 Siemens Audiologische Technik GmbH Adaptation of a directional microphone to long lasting effects
JP2010010749A (en) * 2008-06-24 2010-01-14 Panasonic Corp Microphone device
WO2014062152A1 (en) * 2012-10-15 2014-04-24 Mh Acoustics, Llc Noise-reducing directional microphone array
JP5293275B2 (en) * 2009-03-03 2013-09-18 船井電機株式会社 Microphone unit
US9094496B2 (en) * 2010-06-18 2015-07-28 Avaya Inc. System and method for stereophonic acoustic echo cancellation
EP2747449B1 (en) * 2012-12-20 2016-03-30 Harman Becker Automotive Systems GmbH Sound capture system
KR101480615B1 (en) * 2013-05-29 2015-01-08 현대자동차주식회사 Apparatus for directional microphone and operating method thereof
EP3225037B1 (en) * 2014-09-23 2019-05-08 Binauric SE Method and apparatus for generating a directional sound signal from first and second sound signals
EP3001697B1 (en) * 2014-09-26 2020-07-01 Harman Becker Automotive Systems GmbH Sound capture system
GB201603675D0 (en) * 2016-03-03 2016-04-20 Centricam Technologies Ltd A method,system and device for generating associated audio and visual signals in a wide angle image system

Also Published As

Publication number Publication date
TW202007186A (en) 2020-02-01
WO2020011962A1 (en) 2020-01-16
GB2575491A (en) 2020-01-15

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)