CN1419794A - 用频谱减少来降低双送话器信号噪声的系统和方法 - Google Patents
用频谱减少来降低双送话器信号噪声的系统和方法 Download PDFInfo
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- CN1419794A CN1419794A CN01807028A CN01807028A CN1419794A CN 1419794 A CN1419794 A CN 1419794A CN 01807028 A CN01807028 A CN 01807028A CN 01807028 A CN01807028 A CN 01807028A CN 1419794 A CN1419794 A CN 1419794A
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- signal
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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
- 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
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Noise Elimination (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
Description
Claims (60)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/493,265 US6717991B1 (en) | 1998-05-27 | 2000-01-28 | System and method for dual microphone signal noise reduction using spectral subtraction |
US09/493,265 | 2000-01-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1419794A true CN1419794A (zh) | 2003-05-21 |
CN1193644C CN1193644C (zh) | 2005-03-16 |
Family
ID=23959535
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB018070280A Expired - Fee Related CN1193644C (zh) | 2000-01-28 | 2001-01-16 | 用频谱减少来降低双送话器信号噪声的系统和方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6717991B1 (zh) |
EP (1) | EP1252796B1 (zh) |
CN (1) | CN1193644C (zh) |
AT (1) | ATE245884T1 (zh) |
AU (1) | AU2001225171A1 (zh) |
DE (1) | DE60100502D1 (zh) |
MY (1) | MY124883A (zh) |
WO (1) | WO2001056328A1 (zh) |
Cited By (5)
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CN101263734B (zh) * | 2005-09-02 | 2012-01-25 | 丰田自动车株式会社 | 麦克风阵列用后置滤波器 |
CN103366756A (zh) * | 2012-03-28 | 2013-10-23 | 联想(北京)有限公司 | 一种声音信号的接收方法及装置 |
CN104519447A (zh) * | 2013-10-08 | 2015-04-15 | 三星电子株式会社 | 降噪设备和方法以及具有无磁性扬声器的音频播放设备 |
CN111147983A (zh) * | 2018-11-06 | 2020-05-12 | 展讯通信(上海)有限公司 | 扬声器控制方法及装置、可读存储介质 |
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DE10118653C2 (de) * | 2001-04-14 | 2003-03-27 | Daimler Chrysler Ag | Verfahren zur Geräuschreduktion |
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KR100751927B1 (ko) * | 2005-11-11 | 2007-08-24 | 고려대학교 산학협력단 | 멀티음성채널 음성신호의 적응적 잡음제거를 위한 전처리 방법 및 장치 |
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US20070237339A1 (en) * | 2006-04-11 | 2007-10-11 | Alon Konchitsky | Environmental noise reduction and cancellation for a voice over internet packets (VOIP) communication device |
US20070213010A1 (en) * | 2006-03-13 | 2007-09-13 | Alon Konchitsky | System, device, database and method for increasing the capacity and call volume of a communications network |
US20070237338A1 (en) * | 2006-04-11 | 2007-10-11 | Alon Konchitsky | Method and apparatus to improve voice quality of cellular calls by noise reduction using a microphone receiving noise and speech from two air pipes |
US20070237341A1 (en) * | 2006-04-05 | 2007-10-11 | Creative Technology Ltd | Frequency domain noise attenuation utilizing two transducers |
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JP2010122617A (ja) | 2008-11-21 | 2010-06-03 | Yamaha Corp | ノイズゲート、及び収音装置 |
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-
2000
- 2000-01-28 US US09/493,265 patent/US6717991B1/en not_active Expired - Lifetime
-
2001
- 2001-01-16 DE DE60100502T patent/DE60100502D1/de not_active Expired - Lifetime
- 2001-01-16 WO PCT/EP2001/000468 patent/WO2001056328A1/en active IP Right Grant
- 2001-01-16 AU AU2001225171A patent/AU2001225171A1/en not_active Abandoned
- 2001-01-16 AT AT01900464T patent/ATE245884T1/de not_active IP Right Cessation
- 2001-01-16 EP EP01900464A patent/EP1252796B1/en not_active Expired - Lifetime
- 2001-01-16 CN CNB018070280A patent/CN1193644C/zh not_active Expired - Fee Related
- 2001-01-17 MY MYPI20010216A patent/MY124883A/en unknown
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1622689B (zh) * | 2003-11-27 | 2011-07-20 | 佳能株式会社 | 电子设备和摄像机装置以及它们的控制方法 |
CN101263734B (zh) * | 2005-09-02 | 2012-01-25 | 丰田自动车株式会社 | 麦克风阵列用后置滤波器 |
CN103366756A (zh) * | 2012-03-28 | 2013-10-23 | 联想(北京)有限公司 | 一种声音信号的接收方法及装置 |
CN104519447A (zh) * | 2013-10-08 | 2015-04-15 | 三星电子株式会社 | 降噪设备和方法以及具有无磁性扬声器的音频播放设备 |
US10037765B2 (en) | 2013-10-08 | 2018-07-31 | Samsung Electronics Co., Ltd. | Apparatus and method of reducing noise and audio playing apparatus with non-magnet speaker |
CN111147983A (zh) * | 2018-11-06 | 2020-05-12 | 展讯通信(上海)有限公司 | 扬声器控制方法及装置、可读存储介质 |
Also Published As
Publication number | Publication date |
---|---|
AU2001225171A1 (en) | 2001-08-07 |
EP1252796B1 (en) | 2003-07-23 |
EP1252796A1 (en) | 2002-10-30 |
CN1193644C (zh) | 2005-03-16 |
WO2001056328A1 (en) | 2001-08-02 |
US6717991B1 (en) | 2004-04-06 |
ATE245884T1 (de) | 2003-08-15 |
MY124883A (en) | 2006-07-31 |
DE60100502D1 (de) | 2003-08-28 |
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