JP2008005293A5 - - Google Patents
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- Publication number
- JP2008005293A5 JP2008005293A5 JP2006173750A JP2006173750A JP2008005293A5 JP 2008005293 A5 JP2008005293 A5 JP 2008005293A5 JP 2006173750 A JP2006173750 A JP 2006173750A JP 2006173750 A JP2006173750 A JP 2006173750A JP 2008005293 A5 JP2008005293 A5 JP 2008005293A5
- Authority
- JP
- Japan
- Prior art keywords
- signal
- echo
- echo suppression
- microphone
- target
- 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.)
- Pending
Links
- 230000001629 suppression Effects 0.000 claims description 114
- 230000003044 adaptive effect Effects 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 21
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 17
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000003786 synthesis reaction Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 description 22
- 238000004364 calculation method Methods 0.000 description 17
- 238000002592 echocardiography Methods 0.000 description 11
- 238000001514 detection method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000005236 sound signal Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006173750A JP2008005293A (ja) | 2006-06-23 | 2006-06-23 | エコー抑圧装置 |
| EP07744111A EP2037699A1 (en) | 2006-06-23 | 2007-05-25 | Echo suppressor |
| US12/305,154 US20090169027A1 (en) | 2006-06-23 | 2007-05-25 | Echo suppressor |
| PCT/JP2007/060677 WO2007148509A1 (ja) | 2006-06-23 | 2007-05-25 | エコー抑圧装置 |
| CNA2007800236224A CN101480063A (zh) | 2006-06-23 | 2007-05-25 | 回波抑制装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006173750A JP2008005293A (ja) | 2006-06-23 | 2006-06-23 | エコー抑圧装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2008005293A JP2008005293A (ja) | 2008-01-10 |
| JP2008005293A5 true JP2008005293A5 (enExample) | 2009-05-21 |
Family
ID=38833252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006173750A Pending JP2008005293A (ja) | 2006-06-23 | 2006-06-23 | エコー抑圧装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20090169027A1 (enExample) |
| EP (1) | EP2037699A1 (enExample) |
| JP (1) | JP2008005293A (enExample) |
| CN (1) | CN101480063A (enExample) |
| WO (1) | WO2007148509A1 (enExample) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009212945A (ja) * | 2008-03-05 | 2009-09-17 | Mitsubishi Electric Corp | エコー消去装置 |
| JP4852068B2 (ja) * | 2008-05-20 | 2012-01-11 | 日本電信電話株式会社 | ステレオ音響エコーキャンセル方法、ステレオ音響エコーキャンセル装置、ステレオ音響エコーキャンセルプログラム、その記録媒体 |
| US8130941B2 (en) * | 2008-06-11 | 2012-03-06 | Mitsubishi Electric Corporation | Echo canceler |
| JP2013005106A (ja) * | 2011-06-14 | 2013-01-07 | Nippon Telegr & Teleph Corp <Ntt> | 場内拡声装置、場内拡声方法、及びそのプログラム |
| US9357080B2 (en) * | 2013-06-04 | 2016-05-31 | Broadcom Corporation | Spatial quiescence protection for multi-channel acoustic echo cancellation |
| JP6357987B2 (ja) * | 2014-09-03 | 2018-07-18 | 富士通株式会社 | 通信装置 |
| US9554207B2 (en) | 2015-04-30 | 2017-01-24 | Shure Acquisition Holdings, Inc. | Offset cartridge microphones |
| US9565493B2 (en) | 2015-04-30 | 2017-02-07 | Shure Acquisition Holdings, Inc. | Array microphone system and method of assembling the same |
| US10367948B2 (en) | 2017-01-13 | 2019-07-30 | Shure Acquisition Holdings, Inc. | Post-mixing acoustic echo cancellation systems and methods |
| EP3804356A1 (en) | 2018-06-01 | 2021-04-14 | Shure Acquisition Holdings, Inc. | Pattern-forming microphone array |
| US11297423B2 (en) | 2018-06-15 | 2022-04-05 | Shure Acquisition Holdings, Inc. | Endfire linear array microphone |
| US11310596B2 (en) | 2018-09-20 | 2022-04-19 | Shure Acquisition Holdings, Inc. | Adjustable lobe shape for array microphones |
| TWI865506B (zh) | 2019-03-21 | 2024-12-11 | 美商舒爾獲得控股公司 | 具有抑制功能的波束形成麥克風瓣之自動對焦、區域內自動對焦、及自動配置 |
| EP3942842B1 (en) | 2019-03-21 | 2026-03-11 | Shure Acquisition Holdings, Inc. | Housings and associated design features for ceiling array microphones |
| US11558693B2 (en) | 2019-03-21 | 2023-01-17 | Shure Acquisition Holdings, Inc. | Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition and voice activity detection functionality |
| CN114051738B (zh) | 2019-05-23 | 2024-10-01 | 舒尔获得控股公司 | 可操纵扬声器阵列、系统及其方法 |
| CN114051637B (zh) | 2019-05-31 | 2025-10-28 | 舒尔获得控股公司 | 集成语音及噪声活动检测的低延时自动混波器 |
| WO2021041275A1 (en) | 2019-08-23 | 2021-03-04 | Shore Acquisition Holdings, Inc. | Two-dimensional microphone array with improved directivity |
| WO2021087377A1 (en) | 2019-11-01 | 2021-05-06 | Shure Acquisition Holdings, Inc. | Proximity microphone |
| US11552611B2 (en) | 2020-02-07 | 2023-01-10 | Shure Acquisition Holdings, Inc. | System and method for automatic adjustment of reference gain |
| USD944776S1 (en) | 2020-05-05 | 2022-03-01 | Shure Acquisition Holdings, Inc. | Audio device |
| WO2021243368A2 (en) | 2020-05-29 | 2021-12-02 | Shure Acquisition Holdings, Inc. | Transducer steering and configuration systems and methods using a local positioning system |
| JP7814400B2 (ja) | 2021-01-28 | 2026-02-16 | シュアー アクイジッション ホールディングス インコーポレイテッド | ハイブリッドオーディオビーム形成システム |
| US12452584B2 (en) | 2021-01-29 | 2025-10-21 | Shure Acquisition Holdings, Inc. | Scalable conferencing systems and methods |
| US12542123B2 (en) | 2021-08-31 | 2026-02-03 | Shure Acquisition Holdings, Inc. | Mask non-linear processor for acoustic echo cancellation |
| US12289584B2 (en) | 2021-10-04 | 2025-04-29 | Shure Acquisition Holdings, Inc. | Networked automixer systems and methods |
| US12525083B2 (en) | 2021-11-05 | 2026-01-13 | Shure Acquisition Holdings, Inc. | Distributed algorithm for automixing speech over wireless networks |
| US12250526B2 (en) | 2022-01-07 | 2025-03-11 | Shure Acquisition Holdings, Inc. | Audio beamforming with nulling control system and methods |
| US12598261B2 (en) | 2022-09-28 | 2026-04-07 | Shure Acquisition Holdings, Inc. | Wideband doubletalk detection for optimization of acoustic echo cancellation |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5761318A (en) * | 1995-09-26 | 1998-06-02 | Nippon Telegraph And Telephone Corporation | Method and apparatus for multi-channel acoustic echo cancellation |
| JP3402427B2 (ja) * | 1995-09-26 | 2003-05-06 | 日本電信電話株式会社 | 多チャネル反響消去方法及び装置 |
| JP3486140B2 (ja) * | 1999-09-22 | 2004-01-13 | 日本電信電話株式会社 | 多チャネル音響結合利得低減装置 |
| JP3506138B2 (ja) * | 2001-07-11 | 2004-03-15 | ヤマハ株式会社 | 複数チャンネルエコーキャンセル方法、複数チャンネル音声伝送方法、ステレオエコーキャンセラ、ステレオ音声伝送装置および伝達関数演算装置 |
| JP2004349806A (ja) * | 2003-05-20 | 2004-12-09 | Nippon Telegr & Teleph Corp <Ntt> | 多チャネル音響エコー消去方法、その装置、そのプログラム及びその記録媒体 |
-
2006
- 2006-06-23 JP JP2006173750A patent/JP2008005293A/ja active Pending
-
2007
- 2007-05-25 EP EP07744111A patent/EP2037699A1/en not_active Withdrawn
- 2007-05-25 WO PCT/JP2007/060677 patent/WO2007148509A1/ja not_active Ceased
- 2007-05-25 US US12/305,154 patent/US20090169027A1/en not_active Abandoned
- 2007-05-25 CN CNA2007800236224A patent/CN101480063A/zh active Pending
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