FI920649A0 - Kohinan vaimennusjärjestelmä puhesignaaleille - Google Patents

Kohinan vaimennusjärjestelmä puhesignaaleille

Info

Publication number
FI920649A0
FI920649A0 FI920649A FI920649A FI920649A0 FI 920649 A0 FI920649 A0 FI 920649A0 FI 920649 A FI920649 A FI 920649A FI 920649 A FI920649 A FI 920649A FI 920649 A0 FI920649 A0 FI 920649A0
Authority
FI
Finland
Prior art keywords
noise reduction
reduction system
speech signals
speech
signals
Prior art date
Application number
FI920649A
Other languages
English (en)
Swedish (sv)
Other versions
FI92535B (fi
FI92535C (fi
FI920649A (fi
Inventor
Kari Juhani Jaervinen
Original Assignee
Nokia Mobile Phones Ltd
Telenokia Oy
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 Nokia Mobile Phones Ltd, Telenokia Oy filed Critical Nokia Mobile Phones Ltd
Priority to FI920649A priority Critical patent/FI92535C/fi
Publication of FI920649A0 publication Critical patent/FI920649A0/fi
Priority to US08/013,775 priority patent/US5406635A/en
Priority to EP93300910A priority patent/EP0556992B1/en
Priority to DE69313480T priority patent/DE69313480T2/de
Priority to AU32993/93A priority patent/AU666161B2/en
Priority to JP02440693A priority patent/JP3279372B2/ja
Publication of FI920649A publication Critical patent/FI920649A/fi
Publication of FI92535B publication Critical patent/FI92535B/fi
Application granted granted Critical
Publication of FI92535C publication Critical patent/FI92535C/fi

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G9/00Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/005Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Processing 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G9/00Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/0248Filters characterised by a particular frequency response or filtering method
    • H03H17/0264Filter sets with mutual related characteristics
    • H03H17/0272Quadrature mirror filters
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Processing 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • G10L21/0216Noise filtering characterised by the method used for estimating noise
    • G10L21/0232Processing in the frequency domain
FI920649A 1992-02-14 1992-02-14 Kohinan vaimennusjärjestelmä puhesignaaleille FI92535C (fi)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI920649A FI92535C (fi) 1992-02-14 1992-02-14 Kohinan vaimennusjärjestelmä puhesignaaleille
US08/013,775 US5406635A (en) 1992-02-14 1993-02-05 Noise attenuation system
EP93300910A EP0556992B1 (en) 1992-02-14 1993-02-08 Noise attenuation system
DE69313480T DE69313480T2 (de) 1992-02-14 1993-02-08 Rauschverminderungseinrichtung
AU32993/93A AU666161B2 (en) 1992-02-14 1993-02-11 Noise attenuation system for voice signals
JP02440693A JP3279372B2 (ja) 1992-02-14 1993-02-12 ノイズ減衰システム

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI920649 1992-02-14
FI920649A FI92535C (fi) 1992-02-14 1992-02-14 Kohinan vaimennusjärjestelmä puhesignaaleille

Publications (4)

Publication Number Publication Date
FI920649A0 true FI920649A0 (fi) 1992-02-14
FI920649A FI920649A (fi) 1993-08-15
FI92535B FI92535B (fi) 1994-08-15
FI92535C FI92535C (fi) 1994-11-25

Family

ID=8534643

Family Applications (1)

Application Number Title Priority Date Filing Date
FI920649A FI92535C (fi) 1992-02-14 1992-02-14 Kohinan vaimennusjärjestelmä puhesignaaleille

Country Status (6)

Country Link
US (1) US5406635A (fi)
EP (1) EP0556992B1 (fi)
JP (1) JP3279372B2 (fi)
AU (1) AU666161B2 (fi)
DE (1) DE69313480T2 (fi)
FI (1) FI92535C (fi)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI92535C (fi) * 1992-02-14 1994-11-25 Nokia Mobile Phones Ltd Kohinan vaimennusjärjestelmä puhesignaaleille
FI95086C (fi) * 1992-11-26 1995-12-11 Nokia Mobile Phones Ltd Menetelmä puhesignaalin tehokkaaksi koodaamiseksi
EP0644527B1 (de) * 1993-09-21 2000-05-17 Philips Patentverwaltung GmbH Mobilfunkendgerät
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
JPH08102687A (ja) * 1994-09-29 1996-04-16 Yamaha Corp 音声送受信方式
FR2726392B1 (fr) * 1994-10-28 1997-01-10 Alcatel Mobile Comm France Procede et dispositif de suppression de bruit dans un signal de parole, et systeme avec annulation d'echo correspondant
JP3484801B2 (ja) * 1995-02-17 2004-01-06 ソニー株式会社 音声信号の雑音低減方法及び装置
JP3591068B2 (ja) * 1995-06-30 2004-11-17 ソニー株式会社 音声信号の雑音低減方法
FI102337B (fi) * 1995-09-13 1998-11-13 Nokia Mobile Phones Ltd Menetelmä ja piirijärjestely audiosignaalin käsittelemiseksi
FI99062C (fi) * 1995-10-05 1997-09-25 Nokia Mobile Phones Ltd Puhesignaalin taajuuskorjaus matkapuhelimessa
AU7118696A (en) * 1995-10-10 1997-04-30 Audiologic, Inc. Digital signal processing hearing aid with processing strategy selection
FI100840B (fi) * 1995-12-12 1998-02-27 Nokia Mobile Phones Ltd Kohinanvaimennin ja menetelmä taustakohinan vaimentamiseksi kohinaises ta puheesta sekä matkaviestin
US5806025A (en) * 1996-08-07 1998-09-08 U S West, Inc. Method and system for adaptive filtering of speech signals using signal-to-noise ratio to choose subband filter bank
US5963899A (en) * 1996-08-07 1999-10-05 U S West, Inc. Method and system for region based filtering of speech
FI108909B (fi) 1996-08-13 2002-04-15 Nokia Corp Kuuloke-elementti ja päätelaite
JP3006677B2 (ja) * 1996-10-28 2000-02-07 日本電気株式会社 音声認識装置
JP3361724B2 (ja) * 1997-06-11 2003-01-07 沖電気工業株式会社 エコーキャンセラ装置
FI973455A (fi) 1997-08-22 1999-02-23 Nokia Mobile Phones Ltd Menetelmä ja järjestely melun vaimentamiseksi tilassa muodostamalla vastamelua
FI973882A (fi) * 1997-10-03 1999-04-04 Nokia Mobile Phones Ltd Menetelmä ja järjestely käyttöjännitteen muodostamiseksi
FI116505B (fi) 1998-03-23 2005-11-30 Nokia Corp Menetelmä ja järjestelmä suunnatun äänen käsittelemiseksi akustisessa virtuaaliympäristössä
US6122610A (en) * 1998-09-23 2000-09-19 Verance Corporation Noise suppression for low bitrate speech coder
GB2351889B (en) * 1999-07-06 2003-12-17 Ericsson Telefon Ab L M Speech band expansion
US6618453B1 (en) * 1999-08-20 2003-09-09 Qualcomm Inc. Estimating interference in a communication system
WO2001018794A1 (en) * 1999-09-10 2001-03-15 Wisconsin Alumni Research Foundation Spectral enhancement of acoustic signals to provide improved recognition of speech
US6732073B1 (en) 1999-09-10 2004-05-04 Wisconsin Alumni Research Foundation Spectral enhancement of acoustic signals to provide improved recognition of speech
US7181297B1 (en) 1999-09-28 2007-02-20 Sound Id System and method for delivering customized audio data
FI116643B (fi) * 1999-11-15 2006-01-13 Nokia Corp Kohinan vaimennus
FI19992453A (fi) * 1999-11-15 2001-05-16 Nokia Mobile Phones Ltd Kohinanvaimennus
BR0016127A (pt) * 1999-12-03 2002-08-06 Motorola Inc Método e aparelho para suprimir o ruìdo acústico de segundo plano em um sistema de comunicação
US7058572B1 (en) * 2000-01-28 2006-06-06 Nortel Networks Limited Reducing acoustic noise in wireless and landline based telephony
US6529868B1 (en) * 2000-03-28 2003-03-04 Tellabs Operations, Inc. Communication system noise cancellation power signal calculation techniques
US6523003B1 (en) * 2000-03-28 2003-02-18 Tellabs Operations, Inc. Spectrally interdependent gain adjustment techniques
US6445773B1 (en) * 2000-06-14 2002-09-03 Consultronics Limited DMT test method for determining ADSL capability of cables
US6925435B1 (en) * 2000-11-27 2005-08-02 Mindspeed Technologies, Inc. Method and apparatus for improved noise reduction in a speech encoder
FI110564B (fi) * 2001-03-29 2003-02-14 Nokia Corp Järjestelmä automaattisen kohinanvaimennuksen (ANC) kytkemiseksi päälle ja poiskytkemiseksi matkapuhelimessa
DE10120168A1 (de) * 2001-04-18 2002-10-24 Deutsche Telekom Ag Verfahren zur Bestimmung von Intensitätskennwerten von Hintergrundgeräuschen in Sprachpausen von Sprachsignalen
US6944474B2 (en) * 2001-09-20 2005-09-13 Sound Id Sound enhancement for mobile phones and other products producing personalized audio for users
US20030230921A1 (en) * 2002-05-10 2003-12-18 George Gifeisman Back support and a device provided therewith
US7010330B1 (en) 2003-03-01 2006-03-07 Theta Microelectronics, Inc. Power dissipation reduction in wireless transceivers
US7526428B2 (en) * 2003-10-06 2009-04-28 Harris Corporation System and method for noise cancellation with noise ramp tracking
WO2005050585A1 (en) * 2003-11-18 2005-06-02 Sam Hyeon Lee Device for indivisual control of multiple circuit-units using single cable and method thereof
US7454332B2 (en) * 2004-06-15 2008-11-18 Microsoft Corporation Gain constrained noise suppression
WO2007041789A1 (en) * 2005-10-11 2007-04-19 National Ict Australia Limited Front-end processing of speech signals
US8949120B1 (en) 2006-05-25 2015-02-03 Audience, Inc. Adaptive noise cancelation
US8849231B1 (en) 2007-08-08 2014-09-30 Audience, Inc. System and method for adaptive power control
US8990073B2 (en) * 2007-06-22 2015-03-24 Voiceage Corporation Method and device for sound activity detection and sound signal classification
US8606566B2 (en) * 2007-10-24 2013-12-10 Qnx Software Systems Limited Speech enhancement through partial speech reconstruction
WO2011044848A1 (zh) * 2009-10-15 2011-04-21 华为技术有限公司 信号处理的方法、装置和系统
US9324337B2 (en) * 2009-11-17 2016-04-26 Dolby Laboratories Licensing Corporation Method and system for dialog enhancement
US20110178800A1 (en) * 2010-01-19 2011-07-21 Lloyd Watts Distortion Measurement for Noise Suppression System
US9558755B1 (en) 2010-05-20 2017-01-31 Knowles Electronics, Llc Noise suppression assisted automatic speech recognition
US9706314B2 (en) 2010-11-29 2017-07-11 Wisconsin Alumni Research Foundation System and method for selective enhancement of speech signals
GB2490092B (en) * 2011-02-16 2018-04-11 Skype Processing audio signals
US9640194B1 (en) 2012-10-04 2017-05-02 Knowles Electronics, Llc Noise suppression for speech processing based on machine-learning mask estimation
US9536540B2 (en) 2013-07-19 2017-01-03 Knowles Electronics, Llc Speech signal separation and synthesis based on auditory scene analysis and speech modeling
US8977376B1 (en) 2014-01-06 2015-03-10 Alpine Electronics of Silicon Valley, Inc. Reproducing audio signals with a haptic apparatus on acoustic headphones and their calibration and measurement
US8767996B1 (en) 2014-01-06 2014-07-01 Alpine Electronics of Silicon Valley, Inc. Methods and devices for reproducing audio signals with a haptic apparatus on acoustic headphones
US10986454B2 (en) 2014-01-06 2021-04-20 Alpine Electronics of Silicon Valley, Inc. Sound normalization and frequency remapping using haptic feedback
WO2016033364A1 (en) 2014-08-28 2016-03-03 Audience, Inc. Multi-sourced noise suppression
DE102015207706B3 (de) * 2015-04-27 2016-08-18 Sivantos Pte. Ltd. Verfahren zur frequenzabhängigen Rauschunterdrückung eines Eingangssignals
US11545143B2 (en) 2021-05-18 2023-01-03 Boris Fridman-Mintz Recognition or synthesis of human-uttered harmonic sounds

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4628529A (en) * 1985-07-01 1986-12-09 Motorola, Inc. Noise suppression system
US4811404A (en) * 1987-10-01 1989-03-07 Motorola, Inc. Noise suppression system
DK406189A (da) * 1989-08-18 1991-02-19 Otwidan Aps Forenede Danske Ho Fremgangsmaade og apparat til klassifikation af et blandet tale- og stoejsignal
JPH03181232A (ja) * 1989-12-11 1991-08-07 Toshiba Corp 可変レート符号化方式
EP0459362B1 (en) * 1990-05-28 1997-01-08 Matsushita Electric Industrial Co., Ltd. Voice signal processor
FI92535C (fi) * 1992-02-14 1994-11-25 Nokia Mobile Phones Ltd Kohinan vaimennusjärjestelmä puhesignaaleille

Also Published As

Publication number Publication date
EP0556992A1 (en) 1993-08-25
JP3279372B2 (ja) 2002-04-30
FI92535B (fi) 1994-08-15
EP0556992B1 (en) 1997-09-03
AU666161B2 (en) 1996-02-01
JPH06120911A (ja) 1994-04-28
AU3299393A (en) 1993-08-19
DE69313480T2 (de) 1998-02-05
DE69313480D1 (de) 1997-10-09
FI92535C (fi) 1994-11-25
FI920649A (fi) 1993-08-15
US5406635A (en) 1995-04-11

Similar Documents

Publication Publication Date Title
FI920649A0 (fi) Kohinan vaimennusjärjestelmä puhesignaaleille
DE69319783D1 (de) Geräuschminderungssystem
DE69130452D1 (de) Rauschunterdrückungssystem
DE69223147D1 (de) Lärmdämpfsystem
NO305457B1 (no) FremgangsmÕte for forbedring av signal/st°y-forhold
FI924775A0 (fi) Äänentoistojärjestelmä
DE69423693D1 (de) System zur angepassten Reduktion von Geräuschen bei Sprachsignalen
DE69332123D1 (de) Lautsprechersystem
DE69328275D1 (de) Spracherkennungssystem
DE69427717D1 (de) Sprachdialogsystem
DE69328987D1 (de) Rauschreduktionsvorrichtung
FI920642A0 (fi) Aktiivinen melunvaimennusjärjestelmä
DE69333762D1 (de) Spracherkennungssystem
DE69319840D1 (de) Rauschverminderung für Videosignale
DE69316938D1 (de) Rauschverminderungsvorrichtung
DE69228951T2 (de) Geräuschunterdrückungssystem
DE69615129D1 (de) Rauschdämfersystem
ATE178775T1 (de) Geräuschunterdrückungssystem
KR950001014U (ko) 카 오디오의 기능안내장치
KR950009296U (ko) 소음 저감용 브레이크장치
KR970006964U (ko) 오디오 신호의 소거 방지 장치
KR970010035U (ko) 차량의 소음저감용메인 사일렌서
KR950006148U (ko) 카 오디오의 착탈장치
KR930020622U (ko) 스피커 시스템
KR940014073U (ko) 스피커 시스템

Legal Events

Date Code Title Description
HC Name/ company changed in application

Owner name: NOKIA MATKAPUHELIMET OY

BB Publication of examined application