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)
  • Human Computer Interaction (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Noise Elimination (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Mobile Radio Communication Systems (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 (ko)
EP (1) EP0682801B1 (ko)
JP (1) JP3565226B2 (ko)
KR (1) KR100316116B1 (ko)
DE (1) DE69420705T2 (ko)
SG (1) SG49334A1 (ko)
WO (1) WO1995016259A1 (ko)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3453898B2 (ja) * 1995-02-17 2003-10-06 ソニー株式会社 音声信号の雑音低減方法及び装置
FI100840B (fi) * 1995-12-12 1998-02-27 Nokia Mobile Phones Ltd Kohinanvaimennin ja menetelmä taustakohinan vaimentamiseksi kohinaises ta puheesta sekä matkaviestin
CN1135753C (zh) * 1995-12-15 2004-01-21 皇家菲利浦电子有限公司 自适应噪声抵消装置、减噪系统及收发机
US5737433A (en) * 1996-01-16 1998-04-07 Gardner; William A. Sound environment control apparatus
US5774562A (en) * 1996-03-25 1998-06-30 Nippon Telegraph And Telephone Corp. Method and apparatus for dereverberation
US6072881A (en) * 1996-07-08 2000-06-06 Chiefs Voice Incorporated Microphone noise rejection system
DE19629132A1 (de) * 1996-07-19 1998-01-22 Daimler Benz Ag Verfahren zur Verringerung von Störungen eines Sprachsignals
JP3266819B2 (ja) * 1996-07-30 2002-03-18 株式会社エイ・ティ・アール人間情報通信研究所 周期信号変換方法、音変換方法および信号分析方法
WO1998030062A2 (fr) * 1996-12-25 1998-07-09 Kondratiev Andrei Valentinovic Procede de conversion de signaux electriques en ondes sonores et dispositif de mise en oeuvre de ce procede
US6014468A (en) * 1997-07-31 2000-01-11 The Regents Of The University Of California Apparatus and methods for image and signal processing
DE19747885B4 (de) * 1997-10-30 2009-04-23 Harman Becker Automotive Systems Gmbh Verfahren zur Reduktion von Störungen akustischer Signale mittels der adaptiven Filter-Methode der spektralen Subtraktion
US6192134B1 (en) 1997-11-20 2001-02-20 Conexant Systems, Inc. System and method for a monolithic directional microphone array
FR2771542B1 (fr) * 1997-11-21 2000-02-11 Sextant Avionique Procede de filtrage frequentiel applique au debruitage de signaux sonores mettant en oeuvre un filtre de wiener
US7146012B1 (en) * 1997-11-22 2006-12-05 Koninklijke Philips Electronics N.V. Audio processing arrangement with multiple sources
US6415253B1 (en) * 1998-02-20 2002-07-02 Meta-C Corporation Method and apparatus for enhancing noise-corrupted speech
EP0992978A4 (en) * 1998-03-30 2002-01-16 Mitsubishi Electric Corp NOISE REDUCTION DEVICE AND METHOD
US6549586B2 (en) 1999-04-12 2003-04-15 Telefonaktiebolaget L M Ericsson System and method for dual microphone signal noise reduction using spectral subtraction
US7209567B1 (en) 1998-07-09 2007-04-24 Purdue Research Foundation Communication system with adaptive noise suppression
US6999541B1 (en) * 1998-11-13 2006-02-14 Bitwave Pte Ltd. Signal processing apparatus and method
KR20000033530A (ko) * 1998-11-24 2000-06-15 김영환 음성 구간 검출과 스펙트럼 차감법을 이용한 차량 잡음제거방법
DK1141948T3 (da) 1999-01-07 2007-08-13 Tellabs Operations Inc Fremgangsmåde og apparat til adaptiv undertrykkelse af stöj
US6463414B1 (en) * 1999-04-12 2002-10-08 Conexant Systems, Inc. Conference bridge processing of speech in a packet network environment
DE19955156A1 (de) * 1999-11-17 2001-06-21 Univ Karlsruhe Verfahren und Vorrichtung zur Unterdrückung eines Störsignalanteils im Ausgangssignal eines Schallwandlermittels
CN1830026B (zh) * 2001-01-30 2011-06-15 汤姆森特许公司 几何源分离的几何信号处理技术
US7206418B2 (en) * 2001-02-12 2007-04-17 Fortemedia, Inc. Noise suppression for a wireless communication device
US7617099B2 (en) * 2001-02-12 2009-11-10 FortMedia Inc. Noise suppression by two-channel tandem spectrum modification for speech signal in an automobile
DE10137348A1 (de) * 2001-07-31 2003-02-20 Alcatel Sa Verfahren und Schaltungsanordnung zur Geräuschreduktion bei der Sprachübertragung in Kommunikationssystemen
KR100413797B1 (ko) * 2001-08-23 2003-12-31 삼성전자주식회사 음성 신호 보상 방법 및 그 장치
US6952460B1 (en) * 2001-09-26 2005-10-04 L-3 Communications Corporation Efficient space-time adaptive processing (STAP) filter for global positioning system (GPS) receivers
US8098844B2 (en) * 2002-02-05 2012-01-17 Mh Acoustics, Llc Dual-microphone spatial noise suppression
US7171008B2 (en) 2002-02-05 2007-01-30 Mh Acoustics, Llc Reducing noise in audio systems
KR100446626B1 (ko) * 2002-03-28 2004-09-04 삼성전자주식회사 음성신호에서 잡음을 제거하는 방법 및 장치
KR20040014688A (ko) * 2002-08-10 2004-02-18 주식회사 엑스텔테크놀러지 음성통신 단말기의 잡음제거장치 및 그 방법
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
US7092529B2 (en) * 2002-11-01 2006-08-15 Nanyang Technological University Adaptive control system for noise cancellation
US6874796B2 (en) * 2002-12-04 2005-04-05 George A. Mercurio Sulky with buck-bar
US7039200B2 (en) * 2003-03-31 2006-05-02 Microsoft Corporation System and process for time delay estimation in the presence of correlated noise and reverberation
EP1614322A2 (en) * 2003-04-08 2006-01-11 Philips Intellectual Property & Standards GmbH Method and apparatus for reducing an interference noise signal fraction in a microphone signal
EP1779531A4 (en) 2004-08-03 2011-02-23 Agency Science Tech & Res SIGNAL DETECTION METHOD, DETECTOR AND COMPUTER PROGRAM
KR100636048B1 (ko) * 2004-10-28 2006-10-20 한국과학기술연구원 주변 소음에 따라 주파수 특성이 변화된 신호음을발생시키는 이동단말기 및 방법
US20070116300A1 (en) * 2004-12-22 2007-05-24 Broadcom Corporation Channel decoding for wireless telephones with multiple microphones and multiple description transmission
US7983720B2 (en) * 2004-12-22 2011-07-19 Broadcom Corporation Wireless telephone with adaptive microphone array
US8509703B2 (en) * 2004-12-22 2013-08-13 Broadcom Corporation Wireless telephone with multiple microphones and multiple description transmission
US20060133621A1 (en) * 2004-12-22 2006-06-22 Broadcom Corporation Wireless telephone having multiple microphones
US20060147063A1 (en) * 2004-12-22 2006-07-06 Broadcom Corporation Echo cancellation in telephones with multiple microphones
KR20070078171A (ko) * 2006-01-26 2007-07-31 삼성전자주식회사 신호대 잡음비에 의한 억제 정도 조절을 이용한 잡음 제거장치 및 그 방법
EP1994788B1 (en) 2006-03-10 2014-05-07 MH Acoustics, LLC Noise-reducing directional microphone array
US7877255B2 (en) * 2006-03-31 2011-01-25 Voice Signal Technologies, Inc. Speech recognition using channel verification
DE602006006664D1 (de) * 2006-07-10 2009-06-18 Harman Becker Automotive Sys Reduzierung von Hintergrundrauschen in Freisprechsystemen
US8428661B2 (en) * 2007-10-30 2013-04-23 Broadcom Corporation Speech intelligibility in telephones with multiple microphones
WO2009076523A1 (en) * 2007-12-11 2009-06-18 Andrea Electronics Corporation Adaptive filtering in a sensor array system
US9392360B2 (en) 2007-12-11 2016-07-12 Andrea Electronics Corporation Steerable sensor array system with video input
KR101475864B1 (ko) * 2008-11-13 2014-12-23 삼성전자 주식회사 잡음 제거 장치 및 잡음 제거 방법
JP5712219B2 (ja) * 2009-10-21 2015-05-07 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ 反響装置およびオーディオ信号を反響させる方法
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
US9435873B2 (en) * 2011-07-14 2016-09-06 Microsoft Technology Licensing, Llc Sound source localization using phase spectrum
DE102011086728B4 (de) * 2011-11-21 2014-06-05 Siemens Medical Instruments Pte. Ltd. Hörvorrichtung mit einer Einrichtung zum Verringern eines Mikrofonrauschens und Verfahren zum Verringern eines Mikrofonrauschens
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
CN118409728B (zh) * 2024-07-01 2024-09-06 江西科晨洪兴信息技术有限公司 一种基于人工智能的交互系统及方法

Also Published As

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

Similar Documents

Publication Publication Date Title
SG49334A1 (en) A noise reduction system and device and a mobile radio station
GB2277232B (en) A communications system and a mobile radio
GB2228162B (en) Mobile radio transmission system and a mobile station for use in the system
GB2317304B (en) Base station and mobile communication system
AU685726B2 (en) A radio communication system and a radio base station for use in such a system
GB2268359B (en) Mobile radio systems
GB2293277B (en) Antenna structure and a radio communication device incorporating the same
HK1001181A1 (en) Method and installation for antenna-selection diversity in a wireless telephone receiver
GB2292286B (en) Radio communications device and method
GB9517943D0 (en) Radio communication device and method
SG52232A1 (en) A registration method in a cellular mobile radio system
GB2320164B (en) Radio communication device for restricting specific function and method for restricting the function
HK1032702A1 (en) Method and device in a mobile station
AU5844694A (en) Arrangement in a mobile communications system for extending the range between one or more mobile units and a base station
ZA9610706B (en) Mobile radio systems
GB2292867B (en) A radio transmission and reception system
EP0587211A3 (en) A radio communication system and a radio base station for use in such a system
EP0618688A3 (de) Funksystem zur Nachrichtenübertragung zwischen mindestens einer Mobilstation und n langs einer Strecke angeordneten ortsfesten Basisstationen
EP0776142A4 (en) MOBILE RADIOCOMMUNICATION APPARATUS
GB2289163B (en) Antenna device and mobile telephone
GB9722467D0 (en) Shielding system for mobile and radio telephones
EP0729284A3 (de) Mobilfunksystem mit einer in einer Feststation enthaltenen Mithöreinrichtung
PL310162A1 (en) Local communication system and communication station therefor
SG60172A1 (en) Radio communication method and radio communication system between base station and mobile station
GB9513068D0 (en) A portable information processing system utilizing a wireless selective call receiver