ATE498977T1 - Mikrofonanordnung - Google Patents

Mikrofonanordnung

Info

Publication number
ATE498977T1
ATE498977T1 AT07815177T AT07815177T ATE498977T1 AT E498977 T1 ATE498977 T1 AT E498977T1 AT 07815177 T AT07815177 T AT 07815177T AT 07815177 T AT07815177 T AT 07815177T AT E498977 T1 ATE498977 T1 AT E498977T1
Authority
AT
Austria
Prior art keywords
pressure gradient
pressure
transducer
gradient transducers
microphone arrangement
Prior art date
Application number
AT07815177T
Other languages
English (en)
Inventor
Friedrich Reining
Original Assignee
Akg Acoustics Gmbh
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 Akg Acoustics Gmbh filed Critical Akg Acoustics Gmbh
Application granted granted Critical
Publication of ATE498977T1 publication Critical patent/ATE498977T1/de

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
    • 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
    • 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
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/38—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone
    • 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
    • H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
AT07815177T 2007-11-13 2007-11-13 Mikrofonanordnung ATE498977T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/AT2007/000510 WO2009062210A1 (en) 2007-11-13 2007-11-13 Microphone arrangement

Publications (1)

Publication Number Publication Date
ATE498977T1 true ATE498977T1 (de) 2011-03-15

Family

ID=39629045

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07815177T ATE498977T1 (de) 2007-11-13 2007-11-13 Mikrofonanordnung

Country Status (6)

Country Link
US (1) US20090268925A1 (de)
EP (1) EP2208358B1 (de)
CN (1) CN101884224A (de)
AT (1) ATE498977T1 (de)
DE (1) DE602007012599D1 (de)
WO (1) WO2009062210A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101911721B (zh) * 2007-11-13 2014-04-23 Akg声学有限公司 合成麦克风信号的方法
DE602007012600D1 (de) * 2007-11-13 2011-03-31 Akg Acoustics Gmbh Mikrofonanordnung, die zwei druckgradientenwandler aufweist
JP5309953B2 (ja) * 2008-12-17 2013-10-09 ヤマハ株式会社 収音装置
DE102017105594A1 (de) * 2017-03-16 2018-09-20 USound GmbH Verstärkereinheit für einen Schallwandler und Schallerzeugungseinheit

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3008013A (en) * 1954-07-20 1961-11-07 Ferranti Ltd Electrostatic loudspeakers
GB1512514A (en) * 1974-07-12 1978-06-01 Nat Res Dev Microphone assemblies
US4399327A (en) * 1980-01-25 1983-08-16 Victor Company Of Japan, Limited Variable directional microphone system
US6041127A (en) * 1997-04-03 2000-03-21 Lucent Technologies Inc. Steerable and variable first-order differential microphone array
JP3344647B2 (ja) * 1998-02-18 2002-11-11 富士通株式会社 マイクロホンアレイ装置
US6549586B2 (en) * 1999-04-12 2003-04-15 Telefonaktiebolaget L M Ericsson System and method for dual microphone signal noise reduction using spectral subtraction
AT411513B (de) * 2000-01-27 2004-01-26 Akg Acoustics Gmbh Elektroakustischer wandler
DE10026078C1 (de) * 2000-05-25 2001-11-08 Siemens Ag Richtmikrofonanordnung und Verfahren zur Signalverarbeitung in einer Richtmikrofonanordnung
AT410498B (de) * 2001-02-20 2003-05-26 Akg Acoustics Gmbh Elektroakustische kapsel
ATA15032001A (de) * 2001-09-20 2005-10-15 Akg Acoustics Gmbh Elektroakustischer wandler
AT410741B (de) * 2002-02-26 2003-07-25 Akg Acoustics Gmbh Druckgradienten-mikrofonkapsel
CA2374299A1 (en) * 2002-03-01 2003-09-01 Charles Whitman Fox Modular microphone array for surround sound recording
WO2004084577A1 (en) * 2003-03-21 2004-09-30 Technische Universiteit Delft Circular microphone array for multi channel audio recording
FI20055261A0 (fi) * 2005-05-27 2005-05-27 Midas Studios Avoin Yhtioe Akustisten muuttajien kokoonpano, järjestelmä ja menetelmä akustisten signaalien vastaanottamista tai toistamista varten
ATE545286T1 (de) * 2005-06-23 2012-02-15 Akg Acoustics Gmbh Schallfeldmikrophon
ATE378793T1 (de) * 2005-06-23 2007-11-15 Akg Acoustics Gmbh Methode zur modellierung eines mikrofons
EP1737271A1 (de) * 2005-06-23 2006-12-27 AKG Acoustics GmbH Mikrofonanordnung
WO2009062212A1 (en) * 2007-11-13 2009-05-22 Akg Acoustics Gmbh Microphone arrangement comprising three pressure gradient transducers
WO2009062211A1 (en) * 2007-11-13 2009-05-22 Akg Acoustics Gmbh Position determination of sound sources
CN101911721B (zh) * 2007-11-13 2014-04-23 Akg声学有限公司 合成麦克风信号的方法
DE602007012600D1 (de) * 2007-11-13 2011-03-31 Akg Acoustics Gmbh Mikrofonanordnung, die zwei druckgradientenwandler aufweist
WO2009105793A1 (en) * 2008-02-26 2009-09-03 Akg Acoustics Gmbh Transducer assembly

Also Published As

Publication number Publication date
US20090268925A1 (en) 2009-10-29
CN101884224A (zh) 2010-11-10
EP2208358B1 (de) 2011-02-16
DE602007012599D1 (de) 2011-03-31
WO2009062210A1 (en) 2009-05-22
EP2208358A1 (de) 2010-07-21

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