KR102009274B1 - 빔-포밍 필터들에 대한 fir 계수 계산 - Google Patents

빔-포밍 필터들에 대한 fir 계수 계산 Download PDF

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KR102009274B1
KR102009274B1 KR1020177007748A KR20177007748A KR102009274B1 KR 102009274 B1 KR102009274 B1 KR 102009274B1 KR 1020177007748 A KR1020177007748 A KR 1020177007748A KR 20177007748 A KR20177007748 A KR 20177007748A KR 102009274 B1 KR102009274 B1 KR 102009274B1
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forming
frequency
filters
forming filters
target frequency
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Korean (ko)
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KR20170044180A (ko
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안드레아스 프랑크
크리스토프 슬라데체크
알버트 지크하르
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프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베.
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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
    • 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
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • 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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/20—Processing of the output signals of the acoustic transducers of an array for obtaining a desired directivity characteristic
    • 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

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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)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
KR1020177007748A 2014-08-22 2015-08-21 빔-포밍 필터들에 대한 fir 계수 계산 Active KR102009274B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP14182043.1 2014-08-22
EP14182043 2014-08-22
DE102015203600.6 2015-02-27
DE102015203600.6A DE102015203600B4 (de) 2014-08-22 2015-02-27 FIR-Filterkoeffizientenberechnung für Beamforming-Filter
PCT/EP2015/069291 WO2016026970A1 (de) 2014-08-22 2015-08-21 Fir-filterkoeffizientenberechnung für beamforming-filter

Publications (2)

Publication Number Publication Date
KR20170044180A KR20170044180A (ko) 2017-04-24
KR102009274B1 true KR102009274B1 (ko) 2019-08-09

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KR1020177007748A Active KR102009274B1 (ko) 2014-08-22 2015-08-21 빔-포밍 필터들에 대한 fir 계수 계산

Country Status (7)

Country Link
US (1) US10419849B2 (enExample)
EP (1) EP3183891B1 (enExample)
JP (1) JP6427672B2 (enExample)
KR (1) KR102009274B1 (enExample)
CN (1) CN107223345B (enExample)
DE (1) DE102015203600B4 (enExample)
WO (1) WO2016026970A1 (enExample)

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CN108631753B (zh) * 2018-05-15 2021-11-16 西安空间无线电技术研究所 一种一体化补偿数字滤波器设计方法
WO2020097820A1 (zh) * 2018-11-14 2020-05-22 深圳市大疆创新科技有限公司 基于多麦克风的风噪处理方法、装置、系统及存储介质
CN111261178B (zh) * 2018-11-30 2024-09-20 北京京东尚科信息技术有限公司 波束形成方法和装置
WO2020124589A1 (en) * 2018-12-21 2020-06-25 Qualcomm Incorporated Beam-strength related type-ii channel state information coefficient feedback
CN110149104B (zh) * 2019-04-23 2023-08-04 埃夫特智能装备股份有限公司 一种机器人零相移实时滤波方法
US11337002B2 (en) * 2019-09-03 2022-05-17 Harman International Industries, Incorporated Loudspeaker system with active directivity control
KR102134028B1 (ko) * 2019-09-23 2020-07-14 한화시스템 주식회사 완전 디지털 능동 배열 레이다의 빔 설계 방법
CN110728970B (zh) * 2019-09-29 2022-02-25 东莞市中光通信科技有限公司 一种数字辅助隔音处理的方法及装置
CN111181982B (zh) * 2019-12-31 2022-03-25 奇安信科技集团股份有限公司 异常数据的识别方法、装置、计算设备以及介质
US11978966B2 (en) * 2020-01-14 2024-05-07 Src, Inc. Method for beamforming
EP4138412B1 (en) * 2021-08-16 2025-05-14 Harman Becker Automotive Systems GmbH A method for designing a line array loudspeaker arrangement
CN113868993B (zh) * 2021-09-27 2023-06-30 上海圳呈微电子技术有限公司 全频域滤波器系数的获取方法
CN115407896B (zh) * 2022-08-19 2025-09-30 北京集创北方科技股份有限公司 滤波方法及装置、显示设备、电子设备及存储介质
EP4637043A1 (en) * 2022-12-13 2025-10-22 LG Electronics Inc. Wireless media device and image display device comprising same
CN116318051B (zh) * 2023-03-16 2024-02-27 湖南迈克森伟电子科技有限公司 数字成形滤波方法、装置、数字成形滤波器及电子设备
CN117895988B (zh) * 2024-03-15 2024-05-31 长光卫星技术股份有限公司 基于最小二乘法的阵列天线多波束赋形方法、设备及介质

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US20020001389A1 (en) * 2000-06-30 2002-01-03 Maziar Amiri Acoustic talker localization
US20120093344A1 (en) * 2009-04-09 2012-04-19 Ntnu Technology Transfer As Optimal modal beamformer for sensor arrays
US20130142343A1 (en) * 2010-08-25 2013-06-06 Asahi Kasei Kabushiki Kaisha Sound source separation device, sound source separation method and program
US20130258813A1 (en) * 2010-12-03 2013-10-03 Friedrich-Alexander-Universitaet Erlangen- Nuernberg Apparatus and method for spatially selective sound acquisition by acoustictriangulation

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US6594367B1 (en) * 1999-10-25 2003-07-15 Andrea Electronics Corporation Super directional beamforming design and implementation
US7336793B2 (en) * 2003-05-08 2008-02-26 Harman International Industries, Incorporated Loudspeaker system for virtual sound synthesis
EP1538867B1 (en) * 2003-06-30 2012-07-18 Nuance Communications, Inc. Handsfree system for use in a vehicle
JP2007523514A (ja) * 2003-11-24 2007-08-16 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 適応ビームフォーマ、サイドローブキャンセラー、方法、装置、及びコンピュータープログラム
US8170233B2 (en) 2004-02-02 2012-05-01 Harman International Industries, Incorporated Loudspeaker array system
US7415117B2 (en) * 2004-03-02 2008-08-19 Microsoft Corporation System and method for beamforming using a microphone array
JP2006033502A (ja) * 2004-07-16 2006-02-02 Sanyo Electric Co Ltd 収音装置
US7619563B2 (en) * 2005-08-26 2009-11-17 Step Communications Corporation Beam former using phase difference enhancement
DE602006016617D1 (de) * 2006-10-30 2010-10-14 Mitel Networks Corp Anpassung der Gewichtsfaktoren für Strahlformung zur effizienten Implementierung von Breitband-Strahlformern
WO2013006323A2 (en) * 2011-07-01 2013-01-10 Dolby Laboratories Licensing Corporation Equalization of speaker arrays
US10448161B2 (en) 2012-04-02 2019-10-15 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for gestural manipulation of a sound field
US9525938B2 (en) * 2013-02-06 2016-12-20 Apple Inc. User voice location estimation for adjusting portable device beamforming settings
KR101739716B1 (ko) * 2014-02-06 2017-05-24 방 앤드 오루프센 에이/에스 지향성 제어용 스피커 트랜스듀서 장치

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020001389A1 (en) * 2000-06-30 2002-01-03 Maziar Amiri Acoustic talker localization
US20120093344A1 (en) * 2009-04-09 2012-04-19 Ntnu Technology Transfer As Optimal modal beamformer for sensor arrays
US20130142343A1 (en) * 2010-08-25 2013-06-06 Asahi Kasei Kabushiki Kaisha Sound source separation device, sound source separation method and program
US20130258813A1 (en) * 2010-12-03 2013-10-03 Friedrich-Alexander-Universitaet Erlangen- Nuernberg Apparatus and method for spatially selective sound acquisition by acoustictriangulation

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Publication number Publication date
JP6427672B2 (ja) 2018-11-21
US20170164100A1 (en) 2017-06-08
KR20170044180A (ko) 2017-04-24
CN107223345A (zh) 2017-09-29
JP2017531971A (ja) 2017-10-26
WO2016026970A1 (de) 2016-02-25
DE102015203600B4 (de) 2021-10-21
DE102015203600A1 (de) 2016-02-25
CN107223345B (zh) 2020-04-07
US10419849B2 (en) 2019-09-17
EP3183891A1 (de) 2017-06-28
EP3183891B1 (de) 2018-10-31

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