KR101957544B1 - 사운드 필드의 앰비소닉스 표현을 생성하는데 사용되는 강체구 상의 구면 마이크로폰 어레이의 신호들을 프로세싱하는 방법 및 장치 - Google Patents

사운드 필드의 앰비소닉스 표현을 생성하는데 사용되는 강체구 상의 구면 마이크로폰 어레이의 신호들을 프로세싱하는 방법 및 장치 Download PDF

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KR101957544B1
KR101957544B1 KR1020147015683A KR20147015683A KR101957544B1 KR 101957544 B1 KR101957544 B1 KR 101957544B1 KR 1020147015683 A KR1020147015683 A KR 1020147015683A KR 20147015683 A KR20147015683 A KR 20147015683A KR 101957544 B1 KR101957544 B1 KR 101957544B1
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rti
power
noise
microphone
transfer function
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KR20140089601A (ko
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스벤 고돈
요한-마르쿠스 배케
알렉산더 크뤼거
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돌비 인터네셔널 에이비
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/005—Circuits for transducers 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; 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
    • 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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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
    • 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
    • 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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  • 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)
  • Stereophonic System (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
KR1020147015683A 2011-11-11 2012-10-31 사운드 필드의 앰비소닉스 표현을 생성하는데 사용되는 강체구 상의 구면 마이크로폰 어레이의 신호들을 프로세싱하는 방법 및 장치 Active KR101957544B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP11306472.9A EP2592846A1 (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
EP11306472.9 2011-11-11
PCT/EP2012/071537 WO2013068284A1 (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 (2)

Publication Number Publication Date
KR20140089601A KR20140089601A (ko) 2014-07-15
KR101957544B1 true KR101957544B1 (ko) 2019-03-12

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KR1020147015683A Active KR101957544B1 (ko) 2011-11-11 2012-10-31 사운드 필드의 앰비소닉스 표현을 생성하는데 사용되는 강체구 상의 구면 마이크로폰 어레이의 신호들을 프로세싱하는 방법 및 장치

Country Status (6)

Country Link
US (1) US9420372B2 (https=)
EP (2) EP2592846A1 (https=)
JP (1) JP6113739B2 (https=)
KR (1) KR101957544B1 (https=)
CN (1) CN104041074B (https=)
WO (1) WO2013068284A1 (https=)

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US10021508B2 (en) 2011-11-11 2018-07-10 Dolby Laboratories Licensing Corporation 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
US9466305B2 (en) 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
US9495968B2 (en) 2013-05-29 2016-11-15 Qualcomm Incorporated Identifying sources from which higher order ambisonic audio data is generated
DK3025130T3 (da) * 2013-07-22 2020-04-20 Brueel & Kjaer Sound & Vibration Measurement As Akustisk bredbåndsholografi
US20150127354A1 (en) * 2013-10-03 2015-05-07 Qualcomm Incorporated Near field compensation for decomposed representations of a sound field
EP2863654B1 (en) * 2013-10-17 2018-08-01 Oticon A/s A method for reproducing an acoustical sound field
EP2879408A1 (en) * 2013-11-28 2015-06-03 Thomson Licensing Method and apparatus for higher order ambisonics encoding and decoding using singular value decomposition
WO2015101915A2 (en) 2013-12-31 2015-07-09 Distran Gmbh Acoustic transducer array device
US9502045B2 (en) 2014-01-30 2016-11-22 Qualcomm Incorporated Coding independent frames of ambient higher-order ambisonic coefficients
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
US20150332682A1 (en) * 2014-05-16 2015-11-19 Qualcomm Incorporated Spatial relation coding for higher order ambisonic coefficients
US9620137B2 (en) 2014-05-16 2017-04-11 Qualcomm Incorporated Determining between scalar and vector quantization in higher order ambisonic coefficients
EP2988527A1 (en) 2014-08-21 2016-02-24 Patents Factory Ltd. Sp. z o.o. System and method for detecting location of sound sources in a three-dimensional space
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
CN105072557B (zh) * 2015-08-11 2017-04-19 北京大学 一种三维环绕声重放系统的扬声器环境自适应校准方法
JP6606784B2 (ja) * 2015-09-29 2019-11-20 本田技研工業株式会社 音声処理装置および音声処理方法
US10206040B2 (en) 2015-10-30 2019-02-12 Essential Products, Inc. Microphone array for generating virtual sound field
RU2687882C1 (ru) 2016-03-15 2019-05-16 Фраунхофер-Гезеллшафт Цур Фёрдерунг Дер Ангевандтен Форшунг Е.В. Устройство, способ формирования характеристики звукового поля и машиночитаемый носитель информации
WO2018053050A1 (en) * 2016-09-13 2018-03-22 VisiSonics Corporation Audio signal processor and generator
EP3520437A1 (en) * 2016-09-29 2019-08-07 Dolby Laboratories Licensing Corporation Method, systems and apparatus for determining audio representation(s) of one or more audio sources
FR3060830A1 (fr) * 2016-12-21 2018-06-22 Orange Traitement en sous-bandes d'un contenu ambisonique reel pour un decodage perfectionne
WO2018157098A1 (en) * 2017-02-27 2018-08-30 Essential Products, Inc. Microphone array for generating virtual sound field
EP3625974B1 (en) * 2017-05-15 2020-12-23 Dolby Laboratories Licensing Corporation Methods, systems and apparatus for conversion of spatial audio format(s) to speaker signals
CN109275084B (zh) * 2018-09-12 2021-01-01 北京小米智能科技有限公司 麦克风阵列的测试方法、装置、系统、设备和存储介质
JP6969793B2 (ja) 2018-10-04 2021-11-24 株式会社ズーム アンビソニックスのためのａ／ｂフォーマット変換装置、ａ／ｂフォーマット変換ソフトウェア、レコーダー、再生ソフトウェア
CN111193990B (zh) * 2020-01-06 2021-01-19 北京大学 一种抗高频空间混叠的3d音频系统及实现方法
US11489505B2 (en) * 2020-08-10 2022-11-01 Cirrus Logic, Inc. Methods and systems for equalization
CN115002640B (zh) * 2021-10-21 2025-02-07 杭州爱华智能科技有限公司 传声器的声场特性转换方法与电容型测试传声器系统
CN114928788B (zh) * 2022-04-10 2025-02-21 西北工业大学 一种基于稀疏平面波分解的声场重放空间解码方法

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Also Published As

Publication number Publication date
EP2592846A1 (en) 2013-05-15
KR20140089601A (ko) 2014-07-15
EP2777298A1 (en) 2014-09-17
US9420372B2 (en) 2016-08-16
US20140307894A1 (en) 2014-10-16
WO2013068284A1 (en) 2013-05-16
CN104041074B (zh) 2017-04-12
JP2014535232A (ja) 2014-12-25
CN104041074A (zh) 2014-09-10
JP6113739B2 (ja) 2017-04-12
EP2777298B1 (en) 2016-03-16

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