EP1081685A3 - Rauschverminderungsverfahren in einem Sprachsignal mit einem einzigen Mikrophon - Google Patents

Rauschverminderungsverfahren in einem Sprachsignal mit einem einzigen Mikrophon Download PDF

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Publication number
EP1081685A3
EP1081685A3 EP00118147A EP00118147A EP1081685A3 EP 1081685 A3 EP1081685 A3 EP 1081685A3 EP 00118147 A EP00118147 A EP 00118147A EP 00118147 A EP00118147 A EP 00118147A EP 1081685 A3 EP1081685 A3 EP 1081685A3
Authority
EP
European Patent Office
Prior art keywords
noise
speech
noise reduction
circuit
fft
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP00118147A
Other languages
English (en)
French (fr)
Other versions
EP1081685A2 (de
Inventor
Russell H. Lambert
Karina L. Edmonds
Shi-Ping Hsu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northrop Grumman Corp
Original Assignee
TRW Inc
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 TRW Inc filed Critical TRW Inc
Publication of EP1081685A2 publication Critical patent/EP1081685A2/de
Publication of EP1081685A3 publication Critical patent/EP1081685A3/de
Withdrawn legal-status Critical Current

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

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)
  • Circuit For Audible Band Transducer (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
EP00118147A 1999-09-01 2000-08-29 Rauschverminderungsverfahren in einem Sprachsignal mit einem einzigen Mikrophon Withdrawn EP1081685A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US38826699A 1999-09-01 1999-09-01
US388266 1999-09-01

Publications (2)

Publication Number Publication Date
EP1081685A2 EP1081685A2 (de) 2001-03-07
EP1081685A3 true EP1081685A3 (de) 2002-04-24

Family

ID=23533388

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00118147A Withdrawn EP1081685A3 (de) 1999-09-01 2000-08-29 Rauschverminderungsverfahren in einem Sprachsignal mit einem einzigen Mikrophon

Country Status (2)

Country Link
EP (1) EP1081685A3 (de)
JP (1) JP2001092491A (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI19992453A (fi) * 1999-11-15 2001-05-16 Nokia Mobile Phones Ltd Kohinanvaimennus
KR100421013B1 (ko) * 2001-08-10 2004-03-04 삼성전자주식회사 음성 향상 시스템 및 방법
GB2437559B (en) * 2006-04-26 2010-12-22 Zarlink Semiconductor Inc Low complexity noise reduction method
US8615393B2 (en) 2006-11-15 2013-12-24 Microsoft Corporation Noise suppressor for speech recognition
US8831936B2 (en) 2008-05-29 2014-09-09 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for speech signal processing using spectral contrast enhancement
CN101320566B (zh) * 2008-06-30 2010-10-20 中国人民解放军第四军医大学 基于多带谱减法的非空气传导语音增强方法
US8538749B2 (en) 2008-07-18 2013-09-17 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for enhanced intelligibility
US9202456B2 (en) 2009-04-23 2015-12-01 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for automatic control of active noise cancellation
US9838784B2 (en) 2009-12-02 2017-12-05 Knowles Electronics, Llc Directional audio capture
US9053697B2 (en) 2010-06-01 2015-06-09 Qualcomm Incorporated Systems, methods, devices, apparatus, and computer program products for audio equalization
CN102930870B (zh) * 2012-09-27 2014-04-09 福州大学 利用抗噪幂归一化倒谱系数的鸟类声音识别方法
US9536540B2 (en) 2013-07-19 2017-01-03 Knowles Electronics, Llc Speech signal separation and synthesis based on auditory scene analysis and speech modeling
JP6270136B2 (ja) * 2014-03-10 2018-01-31 公立大学法人広島市立大学 アクティブノイズ制御装置およびアクティブノイズ制御方法
CN104978955A (zh) * 2014-04-14 2015-10-14 美的集团股份有限公司 语音控制方法和系统
US9978388B2 (en) 2014-09-12 2018-05-22 Knowles Electronics, Llc Systems and methods for restoration of speech components
WO2016094418A1 (en) * 2014-12-09 2016-06-16 Knowles Electronics, Llc Dynamic local asr vocabulary
WO2016112113A1 (en) 2015-01-07 2016-07-14 Knowles Electronics, Llc Utilizing digital microphones for low power keyword detection and noise suppression
US9820042B1 (en) 2016-05-02 2017-11-14 Knowles Electronics, Llc Stereo separation and directional suppression with omni-directional microphones
EP3574499B1 (de) * 2017-01-26 2022-01-05 Cerence Operating Company Verfahren und vorrichtung für asr mit eingebetteter rauschminderung
JP7231181B2 (ja) * 2018-07-17 2023-03-01 国立研究開発法人情報通信研究機構 耐雑音音声認識装置及び方法、並びにコンピュータプログラム
CN111724805A (zh) * 2020-06-29 2020-09-29 北京百度网讯科技有限公司 用于处理信息的方法和装置
WO2023100374A1 (ja) * 2021-12-03 2023-06-08 日本電信電話株式会社 信号処理装置、信号処理方法及び信号処理プログラム
CN114650484B (zh) * 2022-05-23 2022-09-06 东莞市云仕电子有限公司 具有自动降噪功能的无线耳机及其使用方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5012519A (en) * 1987-12-25 1991-04-30 The Dsp Group, Inc. Noise reduction system
EP0637012A2 (de) * 1990-01-18 1995-02-01 Matsushita Electric Industrial Co., Ltd. Vorrichtung zur Rauschreduzierung
US5742927A (en) * 1993-02-12 1998-04-21 British Telecommunications Public Limited Company Noise reduction apparatus using spectral subtraction or scaling and signal attenuation between formant regions

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5012519A (en) * 1987-12-25 1991-04-30 The Dsp Group, Inc. Noise reduction system
EP0637012A2 (de) * 1990-01-18 1995-02-01 Matsushita Electric Industrial Co., Ltd. Vorrichtung zur Rauschreduzierung
US6038532A (en) * 1990-01-18 2000-03-14 Matsushita Electric Industrial Co., Ltd. Signal processing device for cancelling noise in a signal
US5742927A (en) * 1993-02-12 1998-04-21 British Telecommunications Public Limited Company Noise reduction apparatus using spectral subtraction or scaling and signal attenuation between formant regions

Also Published As

Publication number Publication date
EP1081685A2 (de) 2001-03-07
JP2001092491A (ja) 2001-04-06

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