DE602005003342D1 - Methode zur Modellierung eines Mikrofons - Google Patents

Methode zur Modellierung eines Mikrofons

Info

Publication number
DE602005003342D1
DE602005003342D1 DE602005003342T DE602005003342T DE602005003342D1 DE 602005003342 D1 DE602005003342 D1 DE 602005003342D1 DE 602005003342 T DE602005003342 T DE 602005003342T DE 602005003342 T DE602005003342 T DE 602005003342T DE 602005003342 D1 DE602005003342 D1 DE 602005003342D1
Authority
DE
Germany
Prior art keywords
microphone
directivity
combined signals
stipulated
fact
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
DE602005003342T
Other languages
English (en)
Other versions
DE602005003342T2 (de
Inventor
Friedrich Reining
Hannes Dipl-Ing Breitschaedel
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.)
AKG Acoustics GmbH
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
Publication of DE602005003342D1 publication Critical patent/DE602005003342D1/de
Application granted granted Critical
Publication of DE602005003342T2 publication Critical patent/DE602005003342T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • 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
    • H04R1/326—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2410/00—Microphones
    • H04R2410/01—Noise reduction using microphones having different directional characteristics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/15—Aspects of sound capture and related signal processing for recording or reproduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/11—Application of ambisonics in stereophonic audio systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
DE602005003342T 2005-06-23 2005-06-23 Methode zur Modellierung eines Mikrofons Active DE602005003342T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05450111A EP1737267B1 (de) 2005-06-23 2005-06-23 Methode zur Modellierung eines Mikrofons

Publications (2)

Publication Number Publication Date
DE602005003342D1 true DE602005003342D1 (de) 2007-12-27
DE602005003342T2 DE602005003342T2 (de) 2008-09-11

Family

ID=34943345

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005003342T Active DE602005003342T2 (de) 2005-06-23 2005-06-23 Methode zur Modellierung eines Mikrofons

Country Status (5)

Country Link
US (1) US8284952B2 (de)
EP (1) EP1737267B1 (de)
JP (1) JP4987358B2 (de)
AT (1) ATE378793T1 (de)
DE (1) DE602005003342T2 (de)

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EP1737265A1 (de) * 2005-06-23 2006-12-27 AKG Acoustics GmbH Bestimmung der Position von Schallquellen
JP4345784B2 (ja) * 2006-08-21 2009-10-14 ソニー株式会社 音響収音装置及び音響収音方法
ATE507683T1 (de) * 2007-11-13 2011-05-15 Akg Acoustics Gmbh Mikrofonanordnung mit drei druckgradientenwandlern
ATE498978T1 (de) * 2007-11-13 2011-03-15 Akg Acoustics Gmbh Mikrofonanordnung, die zwei druckgradientenwandler aufweist
DE602007012599D1 (de) * 2007-11-13 2011-03-31 Akg Acoustics Gmbh Mikrofonanordnung
WO2009062211A1 (en) * 2007-11-13 2009-05-22 Akg Acoustics Gmbh Position determination of sound sources
WO2009062214A1 (de) * 2007-11-13 2009-05-22 Akg Acoustics Gmbh Method for synthesizing a microphone signal
WO2009105793A1 (en) * 2008-02-26 2009-09-03 Akg Acoustics Gmbh Transducer assembly
EP2154677B1 (de) * 2008-08-13 2013-07-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur Bestimmung eines konvertierten Raumtonsignals
US8332229B2 (en) * 2008-12-30 2012-12-11 Stmicroelectronics Asia Pacific Pte. Ltd. Low complexity MPEG encoding for surround sound recordings
JP5435716B2 (ja) * 2009-09-14 2014-03-05 国立大学法人 東京大学 音源方向検出装置及び音源方向検出方法
EP2553947B1 (de) * 2010-03-26 2014-05-07 Thomson Licensing Verfahren und vorrichtung zur decodierung einer schallfelddarstellung zur tonwiedergabe
DE102010043127B4 (de) * 2010-10-29 2024-08-14 Sennheiser Electronic Se & Co. Kg Mikrofon
US9173046B2 (en) * 2012-03-02 2015-10-27 Sennheiser Electronic Gmbh & Co. Kg Microphone and method for modelling microphone characteristics
EP2645748A1 (de) * 2012-03-28 2013-10-02 Thomson Licensing Verfahren und Vorrichtung zum Decodieren von Stereolautsprechersignalen aus einem Ambisonics-Audiosignal höherer Ordnung
US8666090B1 (en) 2013-02-26 2014-03-04 Full Code Audio LLC Microphone modeling system and method
US20140355769A1 (en) * 2013-05-29 2014-12-04 Qualcomm Incorporated Energy preservation for decomposed representations of a sound field
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
US9489955B2 (en) 2014-01-30 2016-11-08 Qualcomm Incorporated Indicating frame parameter reusability for coding vectors
US9852737B2 (en) 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics audio signals
US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
US9747910B2 (en) 2014-09-26 2017-08-29 Qualcomm Incorporated Switching between predictive and non-predictive quantization techniques in a higher order ambisonics (HOA) framework
US9565493B2 (en) 2015-04-30 2017-02-07 Shure Acquisition Holdings, Inc. Array microphone system and method of assembling the same
US9554207B2 (en) * 2015-04-30 2017-01-24 Shure Acquisition Holdings, Inc. Offset cartridge microphones
US10367948B2 (en) 2017-01-13 2019-07-30 Shure Acquisition Holdings, Inc. Post-mixing acoustic echo cancellation systems and methods
US10721559B2 (en) 2018-02-09 2020-07-21 Dolby Laboratories Licensing Corporation Methods, apparatus and systems for audio sound field capture
EP3804356A1 (de) 2018-06-01 2021-04-14 Shure Acquisition Holdings, Inc. Musterbildende mikrofonanordnung
US11297423B2 (en) 2018-06-15 2022-04-05 Shure Acquisition Holdings, Inc. Endfire linear array microphone
WO2020061353A1 (en) 2018-09-20 2020-03-26 Shure Acquisition Holdings, Inc. Adjustable lobe shape for array microphones
US10701481B2 (en) 2018-11-14 2020-06-30 Townsend Labs Inc Microphone sound isolation baffle and system
TW202044236A (zh) 2019-03-21 2020-12-01 美商舒爾獲得控股公司 具有抑制功能的波束形成麥克風瓣之自動對焦、區域內自動對焦、及自動配置
EP3942842A1 (de) 2019-03-21 2022-01-26 Shure Acquisition Holdings, Inc. Gehäuse und zugehörige konstruktionsmerkmale für mikrofone einer deckenanordnung
US11558693B2 (en) 2019-03-21 2023-01-17 Shure Acquisition Holdings, Inc. Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition and voice activity detection functionality
EP3973716A1 (de) 2019-05-23 2022-03-30 Shure Acquisition Holdings, Inc. Steuerbare lautsprecheranordnung, system und verfahren dafür
WO2020241050A1 (ja) 2019-05-28 2020-12-03 ソニー株式会社 音声処理装置、音声処理方法およびプログラム
JP2022535229A (ja) 2019-05-31 2022-08-05 シュアー アクイジッション ホールディングス インコーポレイテッド 音声およびノイズアクティビティ検出と統合された低レイテンシオートミキサー
CN114467312A (zh) 2019-08-23 2022-05-10 舒尔获得控股公司 具有改进方向性的二维麦克风阵列
US12028678B2 (en) 2019-11-01 2024-07-02 Shure Acquisition Holdings, Inc. Proximity microphone
US11552611B2 (en) 2020-02-07 2023-01-10 Shure Acquisition Holdings, Inc. System and method for automatic adjustment of reference gain
WO2021243368A2 (en) 2020-05-29 2021-12-02 Shure Acquisition Holdings, Inc. Transducer steering and configuration systems and methods using a local positioning system
WO2022165007A1 (en) 2021-01-28 2022-08-04 Shure Acquisition Holdings, Inc. Hybrid audio beamforming system
DE102021128616A1 (de) 2021-11-03 2023-05-04 Hochschule Düsseldorf Körperschaft des öffentlichen Rechts Verfahren zum Aufnehmen eines Audiosignals im First-Order-Ambisonics A-Format
US20240070941A1 (en) * 2022-08-31 2024-02-29 Sonaria 3D Music, Inc. Frequency interval visualization education and entertainment system and method

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AUPQ582900A0 (en) * 2000-02-24 2000-03-16 Silverbrook Research Pty Ltd Printed media production
GB1512514A (en) * 1974-07-12 1978-06-01 Nat Res Dev Microphone assemblies
JP2544173B2 (ja) * 1988-03-17 1996-10-16 玄 伊達 受音装置
JPH0472525A (ja) * 1990-07-13 1992-03-06 Nippon Telegr & Teleph Corp <Ntt> 音源方向識別センサ
US5946406A (en) * 1991-06-17 1999-08-31 Microsoft Corporation Method and system for data entry of handwritten symbols
US5377166A (en) * 1994-01-25 1994-12-27 Martin Marietta Corporation Polyhedral directional transducer array
US6041127A (en) * 1997-04-03 2000-03-21 Lucent Technologies Inc. Steerable and variable first-order differential microphone array
FR2808391B1 (fr) * 2000-04-28 2002-06-07 France Telecom Systeme de reception pour antenne multicapteur
US6585450B2 (en) * 2001-07-10 2003-07-01 Ingersoll-Rand Company Speed controlled eccentric assembly
US20030147539A1 (en) * 2002-01-11 2003-08-07 Mh Acoustics, Llc, A Delaware Corporation Audio system based on at least second-order eigenbeams
US7369669B2 (en) * 2002-05-15 2008-05-06 Micro Ear Technology, Inc. Diotic presentation of second-order gradient directional hearing aid signals

Also Published As

Publication number Publication date
US8284952B2 (en) 2012-10-09
ATE378793T1 (de) 2007-11-15
JP2007006474A (ja) 2007-01-11
DE602005003342T2 (de) 2008-09-11
US20070009115A1 (en) 2007-01-11
JP4987358B2 (ja) 2012-07-25
EP1737267B1 (de) 2007-11-14
EP1737267A1 (de) 2006-12-27

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