ATE501506T1 - Spracherweiterung mit anpassung von geräuschpegelschätzungen - Google Patents

Spracherweiterung mit anpassung von geräuschpegelschätzungen

Info

Publication number
ATE501506T1
ATE501506T1 AT08830124T AT08830124T ATE501506T1 AT E501506 T1 ATE501506 T1 AT E501506T1 AT 08830124 T AT08830124 T AT 08830124T AT 08830124 T AT08830124 T AT 08830124T AT E501506 T1 ATE501506 T1 AT E501506T1
Authority
AT
Austria
Prior art keywords
level
subband
noise components
estimated noise
components
Prior art date
Application number
AT08830124T
Other languages
English (en)
Inventor
Rongshan Yu
Original Assignee
Dolby Lab 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 Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Application granted granted Critical
Publication of ATE501506T1 publication Critical patent/ATE501506T1/de

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
    • G10L2021/02168—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 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
    • 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)
  • Control Of Amplification And Gain Control (AREA)
  • Machine Translation (AREA)
AT08830124T 2007-09-12 2008-09-10 Spracherweiterung mit anpassung von geräuschpegelschätzungen ATE501506T1 (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
ATE501506T1 true ATE501506T1 (de) 2011-03-15

Family

ID=40028506

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08830124T ATE501506T1 (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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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
US9449615B2 (en) 2013-11-07 2016-09-20 Continental Automotive Systems, Inc. Externally estimated SNR based modifiers for internal MMSE calculators
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WO2015130283A1 (en) 2014-02-27 2015-09-03 Nuance Communications, Inc. Methods and apparatus for adaptive gain control in a communication system
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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
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Also Published As

Publication number Publication date
CN101802909A (zh) 2010-08-11
EP2191465B1 (de) 2011-03-09
JP2010539538A (ja) 2010-12-16
DE602008005477D1 (de) 2011-04-21
JP4970596B2 (ja) 2012-07-11
US20100198593A1 (en) 2010-08-05
US8538763B2 (en) 2013-09-17
EP2191465A1 (de) 2010-06-02
WO2009035613A1 (en) 2009-03-19
CN101802909B (zh) 2013-07-10

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