JP6030660B2 - 音場のアンビソニックス表現を生成するために使われる剛体球上の球状マイクロホン・アレイの信号を処理する方法および装置 - Google Patents

音場のアンビソニックス表現を生成するために使われる剛体球上の球状マイクロホン・アレイの信号を処理する方法および装置 Download PDF

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JP6030660B2
JP6030660B2 JP2014540395A JP2014540395A JP6030660B2 JP 6030660 B2 JP6030660 B2 JP 6030660B2 JP 2014540395 A JP2014540395 A JP 2014540395A JP 2014540395 A JP2014540395 A JP 2014540395A JP 6030660 B2 JP6030660 B2 JP 6030660B2
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microphone
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transfer function
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JP2014535231A (ja
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コルドン，スベン
バトケ，ヨハン−マルクス
クルーガー，アレクサンダー
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ドルビー・インターナショナル・アーベー
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    • 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
    • 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
    • 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
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/004—Monitoring arrangements; Testing arrangements for microphones
    • H04R29/005—Microphone arrays
    • 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

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • General Health & Medical Sciences (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Stereophonic System (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
JP2014540395A 2011-11-11 2012-10-31 音場のアンビソニックス表現を生成するために使われる剛体球上の球状マイクロホン・アレイの信号を処理する方法および装置 Active JP6030660B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP11306471.1 2011-11-11
EP11306471.1A EP2592845A1 (en) 2011-11-11 2011-11-11 Method and Apparatus for processing signals of a spherical microphone array on a rigid sphere used for generating an Ambisonics representation of the sound field
PCT/EP2012/071535 WO2013068283A1 (en) 2011-11-11 2012-10-31 Method and apparatus for processing signals of a spherical microphone array on a rigid sphere used for generating an ambisonics representation of the sound field

Publications (3)

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JP2014535231A JP2014535231A (ja) 2014-12-25
JP2014535231A5 JP2014535231A5 (enExample) 2015-12-24
JP6030660B2 true JP6030660B2 (ja) 2016-11-24

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US (1) US9503818B2 (enExample)
EP (2) EP2592845A1 (enExample)
JP (1) JP6030660B2 (enExample)
KR (1) KR101938925B1 (enExample)
CN (1) CN103931211B (enExample)
WO (1) WO2013068283A1 (enExample)

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JP6243060B2 (ja) * 2014-03-21 2017-12-06 ドルビー・インターナショナル・アーベー 高次アンビソニックス（ｈｏａ）信号を圧縮する方法、圧縮されたｈｏａ信号を圧縮解除する方法、ｈｏａ信号を圧縮する装置および圧縮されたｈｏａ信号を圧縮解除する装置
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US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
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TWI584657B (zh) * 2014-08-20 2017-05-21 國立清華大學 一種立體聲場錄音以及重建的方法
KR101586364B1 (ko) * 2014-09-05 2016-01-18 한양대학교 산학협력단 공간 음향 분할을 통한 동적 방향성 임펄스 응답을 생성하기 위한 방법, 장치 및 컴퓨터 판독 가능한 기록 매체
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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CN110133579B (zh) * 2019-04-11 2021-02-05 南京航空航天大学 适用于球面麦克风阵列声源定向的球谐波阶数自适应选择方法
KR102154553B1 (ko) * 2019-09-18 2020-09-10 한국표준과학연구원 지향성이 향상된 마이크로폰 어레이 및 이를 이용한 음장 취득 방법
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EP2777297A1 (en) 2014-09-17
EP2592845A1 (en) 2013-05-15
EP2777297B1 (en) 2016-06-08
CN103931211A (zh) 2014-07-16
KR20140091578A (ko) 2014-07-21
JP2014535231A (ja) 2014-12-25
US9503818B2 (en) 2016-11-22
US20140286493A1 (en) 2014-09-25
KR101938925B1 (ko) 2019-04-10
CN103931211B (zh) 2017-02-15
WO2013068283A1 (en) 2013-05-16

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