JP6427672B2 - 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 - Google Patents

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 Download PDF

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JP6427672B2
JP6427672B2 JP2017529148A JP2017529148A JP6427672B2 JP 6427672 B2 JP6427672 B2 JP 6427672B2 JP 2017529148 A JP2017529148 A JP 2017529148A JP 2017529148 A JP2017529148 A JP 2017529148A JP 6427672 B2 JP6427672 B2 JP 6427672B2
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Japan
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filter
frequency
frequency response
beamforming
response
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JP2017529148A
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Japanese (ja)
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JP2017531971A (ja
JP2017531971A5 (enExample
Inventor
アンドレアス フランク
アンドレアス フランク
クリストフ スラドチェック
クリストフ スラドチェック
アルベルト ツィカー
アルベルト ツィカー
Original Assignee
フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ
フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ
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Publication of JP2017531971A publication Critical patent/JP2017531971A/ja
Publication of JP2017531971A5 publication Critical patent/JP2017531971A5/ja
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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
    • H04R3/005—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
    • 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
    • H04R3/12—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)
JP2017529148A 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 Expired - Fee Related JP6427672B2 (ja)

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 (3)

Publication Number Publication Date
JP2017531971A JP2017531971A (ja) 2017-10-26
JP2017531971A5 JP2017531971A5 (enExample) 2018-11-01
JP6427672B2 true JP6427672B2 (ja) 2018-11-21

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JP2017529148A Expired - Fee Related 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

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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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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Publication number Publication date
US20170164100A1 (en) 2017-06-08
KR20170044180A (ko) 2017-04-24
CN107223345A (zh) 2017-09-29
KR102009274B1 (ko) 2019-08-09
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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