JP3961290B2 - 雑音抑圧装置 - Google Patents
雑音抑圧装置 Download PDFInfo
- Publication number
- JP3961290B2 JP3961290B2 JP2001527272A JP2001527272A JP3961290B2 JP 3961290 B2 JP3961290 B2 JP 3961290B2 JP 2001527272 A JP2001527272 A JP 2001527272A JP 2001527272 A JP2001527272 A JP 2001527272A JP 3961290 B2 JP3961290 B2 JP 3961290B2
- Authority
- JP
- Japan
- Prior art keywords
- noise
- signal
- spectrum
- input signal
- noise reduction
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP1999/005370 WO2001024167A1 (fr) | 1999-09-30 | 1999-09-30 | Dispositif antiparasite |
Publications (1)
Publication Number | Publication Date |
---|---|
JP3961290B2 true JP3961290B2 (ja) | 2007-08-22 |
Family
ID=14236852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001527272A Expired - Fee Related JP3961290B2 (ja) | 1999-09-30 | 1999-09-30 | 雑音抑圧装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7203326B2 (US20020150265A1-20021017-M00002.png) |
JP (1) | JP3961290B2 (US20020150265A1-20021017-M00002.png) |
WO (1) | WO2001024167A1 (US20020150265A1-20021017-M00002.png) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1197288C (zh) * | 2000-06-09 | 2005-04-13 | 爱得万测试株式会社 | Cdma信号波形质量显示系统和方法 |
JP4162604B2 (ja) * | 2004-01-08 | 2008-10-08 | 株式会社東芝 | 雑音抑圧装置及び雑音抑圧方法 |
EP1581026B1 (en) | 2004-03-17 | 2015-11-11 | Nuance Communications, Inc. | Method for detecting and reducing noise from a microphone array |
US20060035593A1 (en) * | 2004-08-12 | 2006-02-16 | Motorola, Inc. | Noise and interference reduction in digitized signals |
US7596231B2 (en) * | 2005-05-23 | 2009-09-29 | Hewlett-Packard Development Company, L.P. | Reducing noise in an audio signal |
US8849231B1 (en) * | 2007-08-08 | 2014-09-30 | Audience, Inc. | System and method for adaptive power control |
KR101009854B1 (ko) * | 2007-03-22 | 2011-01-19 | 고려대학교 산학협력단 | 음성 신호의 하모닉스를 이용한 잡음 추정 방법 및 장치 |
US8738367B2 (en) * | 2009-03-18 | 2014-05-27 | Nec Corporation | Speech signal processing device |
US8577678B2 (en) * | 2010-03-11 | 2013-11-05 | Honda Motor Co., Ltd. | Speech recognition system and speech recognizing method |
JP5566846B2 (ja) * | 2010-10-15 | 2014-08-06 | 本田技研工業株式会社 | ノイズパワー推定装置及びノイズパワー推定方法並びに音声認識装置及び音声認識方法 |
US20120106756A1 (en) * | 2010-11-01 | 2012-05-03 | Alon Konchitsky | System and method for a noise reduction switch in a communication device |
US20120114140A1 (en) * | 2010-11-04 | 2012-05-10 | Noise Free Wireless, Inc. | System and method for a noise reduction controller in a communication device |
US9153243B2 (en) * | 2011-01-27 | 2015-10-06 | Nikon Corporation | Imaging device, program, memory medium, and noise reduction method |
JP6064370B2 (ja) * | 2012-05-29 | 2017-01-25 | 沖電気工業株式会社 | 雑音抑圧装置、方法及びプログラム |
US9318125B2 (en) | 2013-01-15 | 2016-04-19 | Intel Deutschland Gmbh | Noise reduction devices and noise reduction methods |
JP6379709B2 (ja) * | 2014-06-18 | 2018-08-29 | 沖電気工業株式会社 | 信号処理装置、信号処理方法及びプログラム |
US20160113246A1 (en) * | 2014-10-27 | 2016-04-28 | Kevin D. Donohue | Noise cancelation for piezoelectric sensor recordings |
AU2018225834B2 (en) * | 2017-02-24 | 2022-12-01 | Sunnybrook Research Institute | Systems and methods for noise reduction in imaging |
CN108831500B (zh) * | 2018-05-29 | 2023-04-28 | 平安科技(深圳)有限公司 | 语音增强方法、装置、计算机设备及存储介质 |
CN112312258B (zh) * | 2020-09-08 | 2023-04-07 | 深圳市逸音科技有限公司 | 一种具有听力防护及听力补偿的智能耳机 |
JP7345702B2 (ja) * | 2021-03-10 | 2023-09-15 | 三菱電機株式会社 | 騒音抑圧装置、騒音抑圧方法、及び騒音抑圧プログラム |
CN112866869B (zh) * | 2021-04-09 | 2022-09-13 | 深圳市美恩微电子有限公司 | 一种通话时自动降噪的蓝牙耳机及其降噪方法 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4628529A (en) * | 1985-07-01 | 1986-12-09 | Motorola, Inc. | Noise suppression system |
US4630304A (en) * | 1985-07-01 | 1986-12-16 | Motorola, Inc. | Automatic background noise estimator for a noise suppression system |
JPS62204652A (ja) * | 1986-03-04 | 1987-09-09 | Nec Corp | 可聴周波信号識別方式 |
US4811404A (en) * | 1987-10-01 | 1989-03-07 | Motorola, Inc. | Noise suppression system |
JP3135937B2 (ja) | 1991-05-16 | 2001-02-19 | 株式会社リコー | 雑音除去装置 |
US5251263A (en) * | 1992-05-22 | 1993-10-05 | Andrea Electronics Corporation | Adaptive noise cancellation and speech enhancement system and apparatus therefor |
JPH07193548A (ja) * | 1993-12-25 | 1995-07-28 | Sony Corp | 雑音低減処理方法 |
JP3484757B2 (ja) | 1994-05-13 | 2004-01-06 | ソニー株式会社 | 音声信号の雑音低減方法及び雑音区間検出方法 |
US5544250A (en) * | 1994-07-18 | 1996-08-06 | Motorola | Noise suppression system and method therefor |
US5768473A (en) * | 1995-01-30 | 1998-06-16 | Noise Cancellation Technologies, Inc. | Adaptive speech filter |
JP2685031B2 (ja) | 1995-06-30 | 1997-12-03 | 日本電気株式会社 | 雑音消去方法及び雑音消去装置 |
JPH0974596A (ja) * | 1995-09-06 | 1997-03-18 | Canon Inc | 風雑音簡易モニタ装置 |
JP3452443B2 (ja) * | 1996-03-25 | 2003-09-29 | 三菱電機株式会社 | 騒音下音声認識装置及び騒音下音声認識方法 |
JP3297307B2 (ja) * | 1996-06-14 | 2002-07-02 | 沖電気工業株式会社 | 背景雑音消去装置 |
JP3418855B2 (ja) * | 1996-10-30 | 2003-06-23 | 京セラ株式会社 | 雑音除去装置 |
DE19727133A1 (de) * | 1997-06-26 | 1999-01-07 | Thomson Brandt Gmbh | Verfahren, Vorrichtung und Aufzeichnungsgerät zur Unterdrückung von impulsartigen Störungen in analogen Audio- und/oder Videosignalen |
JPH1138999A (ja) * | 1997-07-16 | 1999-02-12 | Olympus Optical Co Ltd | 雑音抑圧装置および雑音抑圧処理プログラムを記録した記録媒体 |
JP3444198B2 (ja) * | 1997-09-16 | 2003-09-08 | 株式会社デンソー | 雑音抑圧装置及び該装置を用いた音声認識システム |
JP3499113B2 (ja) * | 1997-09-26 | 2004-02-23 | シャープ株式会社 | 雑音除去装置 |
JPH11338499A (ja) * | 1998-05-28 | 1999-12-10 | Kokusai Electric Co Ltd | ノイズキャンセラ |
-
1999
- 1999-09-30 JP JP2001527272A patent/JP3961290B2/ja not_active Expired - Fee Related
- 1999-09-30 WO PCT/JP1999/005370 patent/WO2001024167A1/ja active Application Filing
-
2002
- 2002-03-27 US US10/113,636 patent/US7203326B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO2001024167A1 (fr) | 2001-04-05 |
US7203326B2 (en) | 2007-04-10 |
US20020150265A1 (en) | 2002-10-17 |
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