DE102015203600B4 - FIR-Filterkoeffizientenberechnung für Beamforming-Filter - Google Patents

FIR-Filterkoeffizientenberechnung für Beamforming-Filter Download PDF

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Publication number
DE102015203600B4
DE102015203600B4 DE102015203600.6A DE102015203600A DE102015203600B4 DE 102015203600 B4 DE102015203600 B4 DE 102015203600B4 DE 102015203600 A DE102015203600 A DE 102015203600A DE 102015203600 B4 DE102015203600 B4 DE 102015203600B4
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Germany
Prior art keywords
frequency
beamforming
filters
fir filter
beamforming filters
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DE102015203600.6A
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German (de)
English (en)
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DE102015203600A1 (de
Inventor
Andreas Franck
Christoph Sladeczek
Albert Zhykhar
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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Application filed by Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Priority to EP15753373.8A priority Critical patent/EP3183891B1/de
Priority to KR1020177007748A priority patent/KR102009274B1/ko
Priority to CN201580045260.3A priority patent/CN107223345B/zh
Priority to PCT/EP2015/069291 priority patent/WO2016026970A1/de
Priority to JP2017529148A priority patent/JP6427672B2/ja
Publication of DE102015203600A1 publication Critical patent/DE102015203600A1/de
Priority to US15/435,744 priority patent/US10419849B2/en
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Publication of DE102015203600B4 publication Critical patent/DE102015203600B4/de
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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
    • 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
    • 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

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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)
DE102015203600.6A 2014-08-22 2015-02-27 FIR-Filterkoeffizientenberechnung für Beamforming-Filter Active DE102015203600B4 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP15753373.8A EP3183891B1 (de) 2014-08-22 2015-08-21 Fir-filter-koeffizienten-berechnung für beamforming-filter
KR1020177007748A KR102009274B1 (ko) 2014-08-22 2015-08-21 빔-포밍 필터들에 대한 fir 계수 계산
CN201580045260.3A CN107223345B (zh) 2014-08-22 2015-08-21 用于波束成形滤波器的fir滤波器系数计算
PCT/EP2015/069291 WO2016026970A1 (de) 2014-08-22 2015-08-21 Fir-filterkoeffizientenberechnung für beamforming-filter
JP2017529148A JP6427672B2 (ja) 2014-08-22 2015-08-21 ビームフォーミングフィルタのためのｆｉｒフィルタ係数の算出
US15/435,744 US10419849B2 (en) 2014-08-22 2017-02-17 FIR filter coefficient calculation for beam-forming filters

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EPEP14182043.1 2014-08-22
EP14182043 2014-08-22

Publications (2)

Publication Number Publication Date
DE102015203600A1 DE102015203600A1 (de) 2016-02-25
DE102015203600B4 true DE102015203600B4 (de) 2021-10-21

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DE102015203600.6A Active DE102015203600B4 (de) 2014-08-22 2015-02-27 FIR-Filterkoeffizientenberechnung für Beamforming-Filter

Country Status (7)

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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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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
WO2024128519A1 (ko) * 2022-12-13 2024-06-20 엘지전자 주식회사 무선 미디어 장치 및 이를 구비하는 영상표시장치
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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Also Published As

Publication number Publication date
CN107223345A (zh) 2017-09-29
KR20170044180A (ko) 2017-04-24
US10419849B2 (en) 2019-09-17
DE102015203600A1 (de) 2016-02-25
JP2017531971A (ja) 2017-10-26
KR102009274B1 (ko) 2019-08-09
EP3183891A1 (de) 2017-06-28
WO2016026970A1 (de) 2016-02-25
JP6427672B2 (ja) 2018-11-21
EP3183891B1 (de) 2018-10-31
CN107223345B (zh) 2020-04-07
US20170164100A1 (en) 2017-06-08

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