ATE378793T1 - Methode zur modellierung eines mikrofons - Google Patents

Methode zur modellierung eines mikrofons

Info

Publication number
ATE378793T1
ATE378793T1 AT05450111T AT05450111T ATE378793T1 AT E378793 T1 ATE378793 T1 AT E378793T1 AT 05450111 T AT05450111 T AT 05450111T AT 05450111 T AT05450111 T AT 05450111T AT E378793 T1 ATE378793 T1 AT E378793T1
Authority
AT
Austria
Prior art keywords
microphone
directivity
combined signals
stipulated
fact
Prior art date
Application number
AT05450111T
Other languages
English (en)
Inventor
Friedrich Reining
Hannes Dipl-Ing Breitschaedel
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 ATE378793T1 publication Critical patent/ATE378793T1/de

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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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)
AT05450111T 2005-06-23 2005-06-23 Methode zur modellierung eines mikrofons ATE378793T1 (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 (1)

Publication Number Publication Date
ATE378793T1 true ATE378793T1 (de) 2007-11-15

Family

ID=34943345

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05450111T ATE378793T1 (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
ATE518380T1 (de) * 2007-11-13 2011-08-15 Akg Acoustics Gmbh Verfahren zum synthetisieren eines mikrofonsignals
ATE498977T1 (de) * 2007-11-13 2011-03-15 Akg Acoustics Gmbh Mikrofonanordnung
EP2208359B1 (de) * 2007-11-13 2016-01-27 AKG Acoustics GmbH Positionsbestimmung von schallquellen
WO2009062213A1 (en) * 2007-11-13 2009-05-22 Akg Acoustics Gmbh Microphone arrangement, having two pressure gradient transducers
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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
KR102294460B1 (ko) 2010-03-26 2021-08-27 돌비 인터네셔널 에이비 오디오 재생을 위한 오디오 사운드필드 표현을 디코딩하는 방법 및 장치
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
US9763019B2 (en) 2013-05-29 2017-09-12 Qualcomm Incorporated Analysis of decomposed representations of a sound field
US9489955B2 (en) 2014-01-30 2016-11-08 Qualcomm Incorporated Indicating frame parameter reusability for coding vectors
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
US9852737B2 (en) 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics 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
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US10367948B2 (en) 2017-01-13 2019-07-30 Shure Acquisition Holdings, Inc. Post-mixing acoustic echo cancellation systems and methods
JP6879848B2 (ja) * 2017-07-11 2021-06-02 日本放送協会 収音装置
US10721559B2 (en) 2018-02-09 2020-07-21 Dolby Laboratories Licensing Corporation Methods, apparatus and systems for audio sound field capture
US11523212B2 (en) 2018-06-01 2022-12-06 Shure Acquisition Holdings, Inc. Pattern-forming microphone array
US11297423B2 (en) 2018-06-15 2022-04-05 Shure Acquisition Holdings, Inc. Endfire linear array microphone
US11310596B2 (en) 2018-09-20 2022-04-19 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
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
CN118803494B (zh) 2019-03-21 2025-09-19 舒尔获得控股公司 具有抑制功能的波束形成麦克风瓣的自动对焦、区域内自动对焦、及自动配置
CN113841419B (zh) 2019-03-21 2024-11-12 舒尔获得控股公司 天花板阵列麦克风的外壳及相关联设计特征
CN114051738B (zh) 2019-05-23 2024-10-01 舒尔获得控股公司 可操纵扬声器阵列、系统及其方法
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
CN114051637B (zh) 2019-05-31 2025-10-28 舒尔获得控股公司 集成语音及噪声活动检测的低延时自动混波器
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
CN116746166A (zh) * 2021-01-15 2023-09-12 哈曼国际工业有限公司 低频自动校准音响系统
CN116918351A (zh) 2021-01-28 2023-10-20 舒尔获得控股公司 混合音频波束成形系统
US12452584B2 (en) 2021-01-29 2025-10-21 Shure Acquisition Holdings, Inc. Scalable conferencing systems and methods
US12542123B2 (en) 2021-08-31 2026-02-03 Shure Acquisition Holdings, Inc. Mask non-linear processor for acoustic echo cancellation
WO2023059655A1 (en) 2021-10-04 2023-04-13 Shure Acquisition Holdings, Inc. Networked automixer systems and methods
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
EP4427465A1 (de) 2021-11-05 2024-09-11 Shure Acquisition Holdings, Inc. Verteilter algorithmus zur automatischen mischung von sprache über drahtlose netzwerke
WO2023133513A1 (en) 2022-01-07 2023-07-13 Shure Acquisition Holdings, Inc. Audio beamforming with nulling control system and methods
US12368993B2 (en) * 2022-06-03 2025-07-22 Apple Inc. Apple dual concentric spherical microphone array
US12254540B2 (en) * 2022-08-31 2025-03-18 Sonaria 3D Music, Inc. Frequency interval visualization education and entertainment system and method

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Also Published As

Publication number Publication date
EP1737267B1 (de) 2007-11-14
EP1737267A1 (de) 2006-12-27
US8284952B2 (en) 2012-10-09
DE602005003342T2 (de) 2008-09-11
DE602005003342D1 (de) 2007-12-27
JP2007006474A (ja) 2007-01-11
JP4987358B2 (ja) 2012-07-25
US20070009115A1 (en) 2007-01-11

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