AU2001230423A1 - A directional microphone assembly - Google Patents

A directional microphone assembly

Info

Publication number
AU2001230423A1
AU2001230423A1 AU2001230423A AU3042301A AU2001230423A1 AU 2001230423 A1 AU2001230423 A1 AU 2001230423A1 AU 2001230423 A AU2001230423 A AU 2001230423A AU 3042301 A AU3042301 A AU 3042301A AU 2001230423 A1 AU2001230423 A1 AU 2001230423A1
Authority
AU
Australia
Prior art keywords
directional microphone
microphone assembly
assembly
directional
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.)
Abandoned
Application number
AU2001230423A
Inventor
Dion Ivo De Roo
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.)
Microtronic Nederland BV
Original Assignee
Microtronic Nederland BV
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 Microtronic Nederland BV filed Critical Microtronic Nederland BV
Publication of AU2001230423A1 publication Critical patent/AU2001230423A1/en
Abandoned 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
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • 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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/004—Monitoring arrangements; Testing arrangements for microphones
    • H04R29/005—Microphone arrays
    • H04R29/006—Microphone matching

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Telephone Set Structure (AREA)
AU2001230423A 2000-01-19 2001-01-18 A directional microphone assembly Abandoned AU2001230423A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DKPA200000085 2000-01-19
DKPA200000085 2000-01-19
PCT/IB2001/000045 WO2001054451A2 (en) 2000-01-19 2001-01-18 A directional microphone assembly

Publications (1)

Publication Number Publication Date
AU2001230423A1 true AU2001230423A1 (en) 2001-07-31

Family

ID=8158969

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001230423A Abandoned AU2001230423A1 (en) 2000-01-19 2001-01-18 A directional microphone assembly

Country Status (4)

Country Link
US (1) US6823073B2 (en)
EP (1) EP1275267A2 (en)
AU (1) AU2001230423A1 (en)
WO (1) WO2001054451A2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1380187B1 (en) * 2001-04-18 2008-10-08 Widex A/S Directional controller and a method of controlling a hearing aid
KR100471855B1 (en) * 2002-09-13 2005-03-10 현대자동차주식회사 apparatus and method for improving performance in handsfree of vehicle
DE102004011149B3 (en) * 2004-03-08 2005-11-10 Infineon Technologies Ag Microphone and method of making a microphone
US8135163B2 (en) * 2007-08-30 2012-03-13 Klipsch Group, Inc. Balanced armature with acoustic low pass filter
US20120250881A1 (en) * 2011-03-29 2012-10-04 Mulligan Daniel P Microphone biasing
US8817834B2 (en) 2011-05-02 2014-08-26 Maxlinear, Inc. Method and system for I/Q mismatch calibration and compensation for wideband communication receivers
WO2014167165A1 (en) * 2013-04-08 2014-10-16 Nokia Corporation Audio apparatus
US9414175B2 (en) * 2013-07-03 2016-08-09 Robert Bosch Gmbh Microphone test procedure
US9668065B2 (en) 2015-09-18 2017-05-30 Sonion Nederland B.V. Acoustical module with acoustical filter
EP3148218B1 (en) * 2015-09-18 2019-12-18 Sonion Nederland B.V. Acoustical module with acoustical filter
US11792566B2 (en) * 2018-01-08 2023-10-17 Soundskrit Inc. Directional microphone and system and method for capturing and processing sound

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4354059A (en) * 1979-09-11 1982-10-12 Victor Company Of Japan, Ltd. Variable-directivity microphone device
US4509193A (en) * 1983-07-11 1985-04-02 Industrial Research Products, Inc. Miniature acoustical transducer with filter/regulator power supply circuit
JPS61191110A (en) * 1985-02-20 1986-08-25 Matsushita Electric Ind Co Ltd Delay circuit
JPH05347793A (en) * 1992-06-15 1993-12-27 Matsushita Electric Ind Co Ltd Microphone device
JP3107117B2 (en) * 1992-09-09 2000-11-06 ソニー株式会社 Voice input device and imaging device using the same
US5524056A (en) 1993-04-13 1996-06-04 Etymotic Research, Inc. Hearing aid having plural microphones and a microphone switching system
DE19545760C1 (en) * 1995-12-07 1997-02-20 Siemens Audiologische Technik Digital hearing aid
US5757933A (en) * 1996-12-11 1998-05-26 Micro Ear Technology, Inc. In-the-ear hearing aid with directional microphone system
EP0942628A2 (en) * 1998-03-13 1999-09-15 Siemens Hearing Instruments, Inc. Microphone assembly and calibration method
DE19814180C1 (en) * 1998-03-30 1999-10-07 Siemens Audiologische Technik Digital hearing aid with variable directional microphone characteristic

Also Published As

Publication number Publication date
US6823073B2 (en) 2004-11-23
WO2001054451A3 (en) 2002-03-21
WO2001054451A2 (en) 2001-07-26
US20010008559A1 (en) 2001-07-19
EP1275267A2 (en) 2003-01-15

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