BR9600762A - Processo e aparelho para reduzir o ruído em si em um sinal de voz de entrada - Google Patents

Processo e aparelho para reduzir o ruído em si em um sinal de voz de entrada

Info

Publication number
BR9600762A
BR9600762A BR9600762A BR9600762A BR9600762A BR 9600762 A BR9600762 A BR 9600762A BR 9600762 A BR9600762 A BR 9600762A BR 9600762 A BR9600762 A BR 9600762A BR 9600762 A BR9600762 A BR 9600762A
Authority
BR
Brazil
Prior art keywords
noise
value
speech signal
signal
calculation unit
Prior art date
Application number
BR9600762A
Other languages
English (en)
Inventor
Joseph Chan
Masayuki Nishiguchi
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of BR9600762A publication Critical patent/BR9600762A/pt

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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/09—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being zero crossing rates
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/93—Discriminating between voiced and unvoiced parts of speech signals

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)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Picture Signal Circuits (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
BR9600762A 1995-02-17 1996-02-16 Processo e aparelho para reduzir o ruído em si em um sinal de voz de entrada BR9600762A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP02933795A JP3453898B2 (ja) 1995-02-17 1995-02-17 音声信号の雑音低減方法及び装置

Publications (1)

Publication Number Publication Date
BR9600762A true BR9600762A (pt) 1997-12-23

Family

ID=12273430

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9600762A BR9600762A (pt) 1995-02-17 1996-02-16 Processo e aparelho para reduzir o ruído em si em um sinal de voz de entrada

Country Status (17)

Country Link
US (1) US5752226A (pt)
EP (1) EP0727768B1 (pt)
JP (1) JP3453898B2 (pt)
KR (1) KR100394759B1 (pt)
CN (1) CN1083183C (pt)
AT (1) ATE201276T1 (pt)
AU (1) AU695585B2 (pt)
BR (1) BR9600762A (pt)
CA (1) CA2169422C (pt)
DE (1) DE69612770T2 (pt)
ES (1) ES2158992T3 (pt)
MY (1) MY114695A (pt)
PL (1) PL312846A1 (pt)
RU (1) RU2121719C1 (pt)
SG (1) SG52257A1 (pt)
TR (1) TR199600131A2 (pt)
TW (1) TW291556B (pt)

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US7096184B1 (en) * 2001-12-18 2006-08-22 The United States Of America As Represented By The Secretary Of The Army Calibrating audiometry stimuli
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US7895036B2 (en) * 2003-02-21 2011-02-22 Qnx Software Systems Co. System for suppressing wind noise
US8326621B2 (en) 2003-02-21 2012-12-04 Qnx Software Systems Limited Repetitive transient noise removal
US8271279B2 (en) 2003-02-21 2012-09-18 Qnx Software Systems Limited Signature noise removal
US8073689B2 (en) * 2003-02-21 2011-12-06 Qnx Software Systems Co. Repetitive transient noise removal
US7949522B2 (en) 2003-02-21 2011-05-24 Qnx Software Systems Co. System for suppressing rain noise
US7725315B2 (en) * 2003-02-21 2010-05-25 Qnx Software Systems (Wavemakers), Inc. Minimization of transient noises in a voice signal
US7499686B2 (en) * 2004-02-24 2009-03-03 Microsoft Corporation Method and apparatus for multi-sensory speech enhancement on a mobile device
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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
US20070116300A1 (en) * 2004-12-22 2007-05-24 Broadcom Corporation Channel decoding for wireless telephones with multiple microphones and multiple description transmission
KR100657948B1 (ko) * 2005-02-03 2006-12-14 삼성전자주식회사 음성향상장치 및 방법
KR101403340B1 (ko) * 2007-08-02 2014-06-09 삼성전자주식회사 변환 부호화 방법 및 장치
JP5609111B2 (ja) * 2007-08-22 2014-10-22 日本電気株式会社 話者速度変換システム
US8428661B2 (en) * 2007-10-30 2013-04-23 Broadcom Corporation Speech intelligibility in telephones with multiple microphones
KR101460059B1 (ko) 2007-12-17 2014-11-12 삼성전자주식회사 잡음 검출 방법 및 장치
US9575715B2 (en) * 2008-05-16 2017-02-21 Adobe Systems Incorporated Leveling audio signals
GB2466668A (en) * 2009-01-06 2010-07-07 Skype Ltd Speech filtering
CN101859568B (zh) * 2009-04-10 2012-05-30 比亚迪股份有限公司 一种语音背景噪声的消除方法和装置
FR2948484B1 (fr) * 2009-07-23 2011-07-29 Parrot Procede de filtrage des bruits lateraux non-stationnaires pour un dispositif audio multi-microphone, notamment un dispositif telephonique "mains libres" pour vehicule automobile
TWI413112B (zh) * 2010-09-06 2013-10-21 Byd Co Ltd Method and apparatus for eliminating noise background noise (1)
KR101247652B1 (ko) * 2011-08-30 2013-04-01 광주과학기술원 잡음 제거 장치 및 방법
KR101491911B1 (ko) 2013-06-27 2015-02-12 고려대학교 산학협력단 소음이 발생되는 환경에서 소음을 제거하는 사운드 획득 시스템
CN104036777A (zh) * 2014-05-22 2014-09-10 哈尔滨理工大学 一种语音活动检测方法及装置
RU2580796C1 (ru) * 2015-03-02 2016-04-10 Государственное казенное образовательное учреждение высшего профессионального образования Академия Федеральной службы охраны Российской Федерации (Академия ФСО России) Способ (варианты) фильтрации зашумленного речевого сигнала в условиях сложной помеховой обстановки
TWI662544B (zh) * 2018-05-28 2019-06-11 塞席爾商元鼎音訊股份有限公司 偵測環境噪音以改變播放語音頻率之方法及其聲音播放裝置
CN110570875A (zh) * 2018-06-05 2019-12-13 塞舌尔商元鼎音讯股份有限公司 检测环境噪音以改变播放语音频率的方法及声音播放装置
TWI662545B (zh) * 2018-06-22 2019-06-11 塞席爾商元鼎音訊股份有限公司 調整語音頻率之方法及其聲音播放裝置
CN112201272A (zh) * 2020-09-29 2021-01-08 腾讯音乐娱乐科技（深圳）有限公司 音频数据降噪的方法、装置、设备及存储介质
CN114724571B (zh) * 2022-03-29 2024-05-03 大连理工大学 一种鲁棒的分布式说话人噪声消除系统
CN114511474B (zh) * 2022-04-20 2022-07-05 天津恒宇医疗科技有限公司 血管内超声图像的降噪方法、系统、电子设备及存储介质

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FR2695750B1 (fr) * 1992-09-17 1994-11-10 Frank Lefevre Dispositif de traitement d'un signal sonore et appareil comportant un tel dispositif.
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IT1272653B (it) * 1993-09-20 1997-06-26 Alcatel Italia Metodo di riduzione del rumore, in particolare per riconoscimento automatico del parlato, e filtro atto ad implementare lo stesso
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Also Published As

Publication number Publication date
KR960032293A (ko) 1996-09-17
TR199600131A2 (tr) 1996-10-21
EP0727768B1 (en) 2001-05-16
ES2158992T3 (es) 2001-09-16
ATE201276T1 (de) 2001-06-15
PL312846A1 (en) 1996-08-19
RU2121719C1 (ru) 1998-11-10
US5752226A (en) 1998-05-12
KR100394759B1 (ko) 2004-02-11
SG52257A1 (en) 1998-09-28
CA2169422A1 (en) 1996-08-18
DE69612770D1 (de) 2001-06-21
JPH08221094A (ja) 1996-08-30
TW291556B (pt) 1996-11-21
AU4444596A (en) 1996-08-29
MY114695A (en) 2002-12-31
JP3453898B2 (ja) 2003-10-06
AU695585B2 (en) 1998-08-20
CN1141548A (zh) 1997-01-29
EP0727768A1 (en) 1996-08-21
DE69612770T2 (de) 2001-11-29
CA2169422C (en) 2005-07-26
CN1083183C (zh) 2002-04-17

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Legal Events

Date Code Title Description
FB34 Technical and formal requirements: requirement - article 34 of industrial property law
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 10/10/2006, OBSERVADAS AS CONDICOES LEGAIS.

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 10/10/2016