JP2017531971A5 - - Google Patents
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- Publication number
- JP2017531971A5 JP2017531971A5 JP2017529148A JP2017529148A JP2017531971A5 JP 2017531971 A5 JP2017531971 A5 JP 2017531971A5 JP 2017529148 A JP2017529148 A JP 2017529148A JP 2017529148 A JP2017529148 A JP 2017529148A JP 2017531971 A5 JP2017531971 A5 JP 2017531971A5
- Authority
- JP
- Japan
- Prior art keywords
- filter
- frequency response
- beamforming
- frequency
- beamforming filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005457 optimization Methods 0.000 claims 9
- 238000004364 calculation method Methods 0.000 claims 6
- 230000004048 modification Effects 0.000 claims 4
- 238000012986 modification Methods 0.000 claims 4
- 238000000034 method Methods 0.000 claims 3
- 238000004590 computer program Methods 0.000 claims 2
- 238000009499 grossing Methods 0.000 claims 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000001934 delay Effects 0.000 claims 1
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 true JP2017531971A5 (enExample) | 2018-11-01 |
| JP6427672B2 JP6427672B2 (ja) | 2018-11-21 |
Family
ID=51429042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6594367B1 (en) * | 1999-10-25 | 2003-07-15 | Andrea Electronics Corporation | Super directional beamforming design and implementation |
| GB2364121B (en) * | 2000-06-30 | 2004-11-24 | Mitel Corp | Method and apparatus for locating a talker |
| 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 |
| GB0906269D0 (en) * | 2009-04-09 | 2009-05-20 | Ntnu Technology Transfer As | Optimal modal beamformer for sensor arrays |
| BR112012031656A2 (pt) * | 2010-08-25 | 2016-11-08 | Asahi Chemical Ind | dispositivo, e método de separação de fontes sonoras, e, programa |
| AU2011334840B2 (en) * | 2010-12-03 | 2015-09-03 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for spatially selective sound acquisition by acoustic triangulation |
| 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 |
-
2015
- 2015-02-27 DE DE102015203600.6A patent/DE102015203600B4/de active Active
- 2015-08-21 EP EP15753373.8A patent/EP3183891B1/de active Active
- 2015-08-21 JP JP2017529148A patent/JP6427672B2/ja not_active Expired - Fee Related
- 2015-08-21 KR KR1020177007748A patent/KR102009274B1/ko active Active
- 2015-08-21 CN CN201580045260.3A patent/CN107223345B/zh active Active
- 2015-08-21 WO PCT/EP2015/069291 patent/WO2016026970A1/de not_active Ceased
-
2017
- 2017-02-17 US US15/435,744 patent/US10419849B2/en active Active