DE602008005477D1 - Spracherweiterung mit anpassung von geräuschpegelschätzungen - Google Patents

Spracherweiterung mit anpassung von geräuschpegelschätzungen

Info

Publication number
DE602008005477D1
DE602008005477D1 DE602008005477T DE602008005477T DE602008005477D1 DE 602008005477 D1 DE602008005477 D1 DE 602008005477D1 DE 602008005477 T DE602008005477 T DE 602008005477T DE 602008005477 T DE602008005477 T DE 602008005477T DE 602008005477 D1 DE602008005477 D1 DE 602008005477D1
Authority
DE
Germany
Prior art keywords
level
subband
noise components
estimated noise
components
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.)
Active
Application number
DE602008005477T
Other languages
English (en)
Inventor
Rongshan Yu
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.)
Dolby Laboratories Licensing Corp
Original Assignee
Dolby Laboratories Licensing 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 Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of DE602008005477D1 publication Critical patent/DE602008005477D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing 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
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing 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
    • G10L21/02—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
    • G10L2021/02168—Noise filtering characterised by the method used for estimating noise the estimation exclusively taking place during speech pauses
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing 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
    • G10L21/02—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
    • G10L21/0232—Processing in the frequency domain

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Machine Translation (AREA)
  • Control Of Amplification And Gain Control (AREA)
DE602008005477T 2007-09-12 2008-09-10 Spracherweiterung mit anpassung von geräuschpegelschätzungen Active DE602008005477D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US99354807P 2007-09-12 2007-09-12
PCT/US2008/010589 WO2009035613A1 (en) 2007-09-12 2008-09-10 Speech enhancement with noise level estimation adjustment

Publications (1)

Publication Number Publication Date
DE602008005477D1 true DE602008005477D1 (de) 2011-04-21

Family

ID=40028506

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602008005477T Active DE602008005477D1 (de) 2007-09-12 2008-09-10 Spracherweiterung mit anpassung von geräuschpegelschätzungen

Country Status (7)

Country Link
US (1) US8538763B2 (de)
EP (1) EP2191465B1 (de)
JP (1) JP4970596B2 (de)
CN (1) CN101802909B (de)
AT (1) ATE501506T1 (de)
DE (1) DE602008005477D1 (de)
WO (1) WO2009035613A1 (de)

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US8538035B2 (en) 2010-04-29 2013-09-17 Audience, Inc. Multi-microphone robust noise suppression
US8473287B2 (en) 2010-04-19 2013-06-25 Audience, Inc. Method for jointly optimizing noise reduction and voice quality in a mono or multi-microphone system
US8781137B1 (en) 2010-04-27 2014-07-15 Audience, Inc. Wind noise detection and suppression
US8447596B2 (en) 2010-07-12 2013-05-21 Audience, Inc. Monaural noise suppression based on computational auditory scene analysis
US8761410B1 (en) * 2010-08-12 2014-06-24 Audience, Inc. Systems and methods for multi-channel dereverberation
US8804977B2 (en) 2011-03-18 2014-08-12 Dolby Laboratories Licensing Corporation Nonlinear reference signal processing for echo suppression
JP2013148724A (ja) * 2012-01-19 2013-08-01 Sony Corp 雑音抑圧装置、雑音抑圧方法およびプログラム
US9064503B2 (en) 2012-03-23 2015-06-23 Dolby Laboratories Licensing Corporation Hierarchical active voice detection
US9449610B2 (en) 2013-11-07 2016-09-20 Continental Automotive Systems, Inc. Speech probability presence modifier improving log-MMSE based noise suppression performance
US9449609B2 (en) 2013-11-07 2016-09-20 Continental Automotive Systems, Inc. Accurate forward SNR estimation based on MMSE speech probability presence
US9449615B2 (en) 2013-11-07 2016-09-20 Continental Automotive Systems, Inc. Externally estimated SNR based modifiers for internal MMSE calculators
GB201401689D0 (en) 2014-01-31 2014-03-19 Microsoft Corp Audio signal processing
WO2015130283A1 (en) * 2014-02-27 2015-09-03 Nuance Communications, Inc. Methods and apparatus for adaptive gain control in a communication system
JP6361271B2 (ja) * 2014-05-09 2018-07-25 富士通株式会社 音声強調装置、音声強調方法及び音声強調用コンピュータプログラム
US10020002B2 (en) * 2015-04-05 2018-07-10 Qualcomm Incorporated Gain parameter estimation based on energy saturation and signal scaling
CN106920559B (zh) * 2017-03-02 2020-10-30 奇酷互联网络科技（深圳）有限公司 通话音的优化方法、装置及通话终端
CN108922523B (zh) * 2018-06-19 2021-06-15 Oppo广东移动通信有限公司 位置提示方法、装置、存储介质及电子设备
US11605392B2 (en) * 2020-03-16 2023-03-14 Google Llc Automatic gain control based on machine learning level estimation of the desired signal
CN112102818B (zh) * 2020-11-19 2021-01-26 成都启英泰伦科技有限公司 结合语音活性检测和滑动窗噪声估计的信噪比计算方法

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JP3418855B2 (ja) * 1996-10-30 2003-06-23 京セラ株式会社 雑音除去装置
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US6415253B1 (en) * 1998-02-20 2002-07-02 Meta-C Corporation Method and apparatus for enhancing noise-corrupted speech
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Also Published As

Publication number Publication date
US20100198593A1 (en) 2010-08-05
JP2010539538A (ja) 2010-12-16
EP2191465A1 (de) 2010-06-02
CN101802909A (zh) 2010-08-11
CN101802909B (zh) 2013-07-10
ATE501506T1 (de) 2011-03-15
WO2009035613A1 (en) 2009-03-19
JP4970596B2 (ja) 2012-07-11
EP2191465B1 (de) 2011-03-09
US8538763B2 (en) 2013-09-17

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