SG49334A1 - A noise reduction system and device and a mobile radio station - Google Patents

A noise reduction system and device and a mobile radio station

Info

Publication number
SG49334A1
SG49334A1 SG1996009566A SG1996009566A SG49334A1 SG 49334 A1 SG49334 A1 SG 49334A1 SG 1996009566 A SG1996009566 A SG 1996009566A SG 1996009566 A SG1996009566 A SG 1996009566A SG 49334 A1 SG49334 A1 SG 49334A1
Authority
SG
Singapore
Prior art keywords
noise reduction
mobile radio
radio station
reduction system
station
Prior art date
Application number
SG1996009566A
Other languages
English (en)
Inventor
Cornelis Pieter Janse
Original Assignee
Koninkl Philips Electronics Nv
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of SG49334A1 publication Critical patent/SG49334A1/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques 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
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
    • G10L2021/02166—Microphone arrays; Beamforming

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Noise Elimination (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
SG1996009566A 1993-12-06 1994-12-01 A noise reduction system and device and a mobile radio station SG49334A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP93203421 1993-12-06

Publications (1)

Publication Number Publication Date
SG49334A1 true SG49334A1 (en) 1998-05-18

Family

ID=8214198

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996009566A SG49334A1 (en) 1993-12-06 1994-12-01 A noise reduction system and device and a mobile radio station

Country Status (7)

Country Link
US (1) US5610991A (fr)
EP (1) EP0682801B1 (fr)
JP (1) JP3565226B2 (fr)
KR (1) KR100316116B1 (fr)
DE (1) DE69420705T2 (fr)
SG (1) SG49334A1 (fr)
WO (1) WO1995016259A1 (fr)

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DE60034212T2 (de) * 1999-01-07 2008-01-17 Tellabs Operations, Inc., Naperville Verfahren und vorrichtung zur adaptiven rauschunterdrückung
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KR100413797B1 (ko) * 2001-08-23 2003-12-31 삼성전자주식회사 음성 신호 보상 방법 및 그 장치
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US7760820B2 (en) * 2002-08-28 2010-07-20 Agency For Science, Technology And Research Receiver having a signal reconstructing section for noise reduction, system and method thereof
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KR100636048B1 (ko) * 2004-10-28 2006-10-20 한국과학기술연구원 주변 소음에 따라 주파수 특성이 변화된 신호음을발생시키는 이동단말기 및 방법
US7983720B2 (en) * 2004-12-22 2011-07-19 Broadcom Corporation Wireless telephone with adaptive microphone array
US20070116300A1 (en) * 2004-12-22 2007-05-24 Broadcom Corporation Channel decoding for wireless telephones with multiple microphones and multiple description transmission
US8509703B2 (en) * 2004-12-22 2013-08-13 Broadcom Corporation Wireless telephone with multiple microphones and multiple description transmission
US20060147063A1 (en) * 2004-12-22 2006-07-06 Broadcom Corporation Echo cancellation in telephones with multiple microphones
US20060133621A1 (en) * 2004-12-22 2006-06-22 Broadcom Corporation Wireless telephone having multiple microphones
KR20070078171A (ko) * 2006-01-26 2007-07-31 삼성전자주식회사 신호대 잡음비에 의한 억제 정도 조절을 이용한 잡음 제거장치 및 그 방법
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US8428661B2 (en) * 2007-10-30 2013-04-23 Broadcom Corporation Speech intelligibility in telephones with multiple microphones
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KR101475864B1 (ko) * 2008-11-13 2014-12-23 삼성전자 주식회사 잡음 제거 장치 및 잡음 제거 방법
CN102667918B (zh) * 2009-10-21 2015-08-12 弗兰霍菲尔运输应用研究公司 用于使音频信号混响的混响器和方法
CN101740036B (zh) * 2009-12-14 2012-07-04 华为终端有限公司 通话音量自动调节方法及装置
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JP6635674B2 (ja) * 2015-05-11 2020-01-29 キヤノン株式会社 計測装置、計測方法およびプログラム
CN105472137A (zh) * 2015-11-19 2016-04-06 广东小天才科技有限公司 一种调整通话音量的方法及装置
US11696083B2 (en) 2020-10-21 2023-07-04 Mh Acoustics, Llc In-situ calibration of microphone arrays

Also Published As

Publication number Publication date
EP0682801B1 (fr) 1999-09-15
JPH08506667A (ja) 1996-07-16
US5610991A (en) 1997-03-11
DE69420705D1 (de) 1999-10-21
EP0682801A1 (fr) 1995-11-22
WO1995016259A1 (fr) 1995-06-15
KR100316116B1 (ko) 2002-02-28
DE69420705T2 (de) 2000-07-06
JP3565226B2 (ja) 2004-09-15
KR960701427A (ko) 1996-02-24

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