IN2014CN03102A - - Google Patents

Info

Publication number
IN2014CN03102A
IN2014CN03102A IN3102CHN2014A IN2014CN03102A IN 2014CN03102 A IN2014CN03102 A IN 2014CN03102A IN 3102CHN2014 A IN3102CHN2014 A IN 3102CHN2014A IN 2014CN03102 A IN2014CN03102 A IN 2014CN03102A
Authority
IN
India
Application number
Inventor
Sriram Srinivasan
Original Assignee
Koninkl Philips Nv
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 Koninkl Philips Nv filed Critical Koninkl Philips Nv
Publication of IN2014CN03102A publication Critical patent/IN2014CN03102A/en

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/012Comfort noise or silence coding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • G10L21/0216Noise filtering characterised by the method used for estimating noise
    • G10L21/0224Processing in the time domain
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78Detection of presence or absence of voice signals
    • G10L25/84Detection of presence or absence of voice signals for discriminating voice from noise
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • G10L21/0216Noise filtering characterised by the method used for estimating noise
    • G10L2021/02161Number of inputs available containing the signal or the noise to be suppressed
    • G10L2021/02163Only one microphone
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • G10L21/0216Noise filtering characterised by the method used for estimating noise
    • G10L2021/02161Number of inputs available containing the signal or the noise to be suppressed
    • G10L2021/02165Two microphones, one receiving mainly the noise signal and the other one mainly the speech signal
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • G10L21/0216Noise filtering characterised by the method used for estimating noise
    • G10L2021/02161Number of inputs available containing the signal or the noise to be suppressed
    • G10L2021/02166Microphone arrays; Beamforming
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • G10L21/0216Noise filtering characterised by the method used for estimating noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Noise Elimination (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
IN3102CHN2014 2011-10-24 2014-04-24 IN2014CN03102A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161550512P 2011-10-24 2011-10-24
PCT/IB2012/055792 WO2013061232A1 (en) 2011-10-24 2012-10-22 Audio signal noise attenuation

Publications (1)

Publication Number Publication Date
IN2014CN03102A true IN2014CN03102A (en) 2015-07-03

Family

ID=47324238

Family Applications (1)

Application Number Title Priority Date Filing Date
IN3102CHN2014 IN2014CN03102A (en) 2011-10-24 2014-04-24

Country Status (8)

Country Link
US (1) US9875748B2 (en)
EP (1) EP2774147B1 (en)
JP (1) JP6190373B2 (en)
CN (1) CN103999155B (en)
BR (1) BR112014009647B1 (en)
IN (1) IN2014CN03102A (en)
RU (1) RU2616534C2 (en)
WO (1) WO2013061232A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10013975B2 (en) * 2014-02-27 2018-07-03 Qualcomm Incorporated Systems and methods for speaker dictionary based speech modeling
CN104952458B (en) * 2015-06-09 2019-05-14 广州广电运通金融电子股份有限公司 A kind of noise suppressing method, apparatus and system
US10565336B2 (en) 2018-05-24 2020-02-18 International Business Machines Corporation Pessimism reduction in cross-talk noise determination used in integrated circuit design
CN112466322B (en) * 2020-11-27 2023-06-20 华侨大学 Noise signal feature extraction method for electromechanical equipment
TWI790718B (en) * 2021-08-19 2023-01-21 宏碁股份有限公司 Conference terminal and echo cancellation method for conference

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3275247B2 (en) * 1991-05-22 2002-04-15 日本電信電話株式会社 Audio encoding / decoding method
JPH11122120A (en) * 1997-10-17 1999-04-30 Sony Corp Coding method and device therefor, and decoding method and device therefor
EP1155561B1 (en) * 1999-02-26 2006-05-24 Infineon Technologies AG Method and device for suppressing noise in telephone devices
WO2002080148A1 (en) * 2001-03-28 2002-10-10 Mitsubishi Denki Kabushiki Kaisha Noise suppressor
EP1414024A1 (en) * 2002-10-21 2004-04-28 Alcatel Realistic comfort noise for voice calls over packet networks
US7895036B2 (en) * 2003-02-21 2011-02-22 Qnx Software Systems Co. System for suppressing wind noise
US7885420B2 (en) * 2003-02-21 2011-02-08 Qnx Software Systems Co. Wind noise suppression system
US7343289B2 (en) * 2003-06-25 2008-03-11 Microsoft Corp. System and method for audio/video speaker detection
GB0321093D0 (en) * 2003-09-09 2003-10-08 Nokia Corp Multi-rate coding
CA2457988A1 (en) * 2004-02-18 2005-08-18 Voiceage Corporation Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization
WO2006089055A1 (en) * 2005-02-15 2006-08-24 Bbn Technologies Corp. Speech analyzing system with adaptive noise codebook
US7590530B2 (en) * 2005-09-03 2009-09-15 Gn Resound A/S Method and apparatus for improved estimation of non-stationary noise for speech enhancement
JP4823001B2 (en) * 2006-09-27 2011-11-24 富士通セミコンダクター株式会社 Audio encoding device
ATE425532T1 (en) * 2006-10-31 2009-03-15 Harman Becker Automotive Sys MODEL-BASED IMPROVEMENT OF VOICE SIGNALS
KR100919223B1 (en) * 2007-09-19 2009-09-28 한국전자통신연구원 The method and apparatus for speech recognition using uncertainty information in noise environment
EP2081405B1 (en) * 2008-01-21 2012-05-16 Bernafon AG A hearing aid adapted to a specific type of voice in an acoustical environment, a method and use
US8554551B2 (en) * 2008-01-28 2013-10-08 Qualcomm Incorporated Systems, methods, and apparatus for context replacement by audio level
EP4372745A1 (en) * 2008-07-11 2024-05-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, methods for encoding and decoding an audio signal, audio stream and computer program
EP2246845A1 (en) 2009-04-21 2010-11-03 Siemens Medical Instruments Pte. Ltd. Method and acoustic signal processing device for estimating linear predictive coding coefficients
US20120072207A1 (en) * 2009-06-02 2012-03-22 Panasonic Corporation Down-mixing device, encoder, and method therefor
US20110096942A1 (en) * 2009-10-23 2011-04-28 Broadcom Corporation Noise suppression system and method
EP2363853A1 (en) * 2010-03-04 2011-09-07 Österreichische Akademie der Wissenschaften A method for estimating the clean spectrum of a signal
WO2011114192A1 (en) * 2010-03-19 2011-09-22 Nokia Corporation Method and apparatus for audio coding
JP6265903B2 (en) 2011-10-19 2018-01-24 コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. Signal noise attenuation
US20130297299A1 (en) * 2012-05-07 2013-11-07 Board Of Trustees Of Michigan State University Sparse Auditory Reproducing Kernel (SPARK) Features for Noise-Robust Speech and Speaker Recognition
US9336212B2 (en) * 2012-10-30 2016-05-10 Slicethepie Limited Systems and methods for collection and automatic analysis of opinions on various types of media

Also Published As

Publication number Publication date
RU2014121031A (en) 2015-12-10
US20140249809A1 (en) 2014-09-04
CN103999155A (en) 2014-08-20
EP2774147A1 (en) 2014-09-10
EP2774147B1 (en) 2015-07-22
BR112014009647B1 (en) 2021-11-03
RU2616534C2 (en) 2017-04-17
WO2013061232A1 (en) 2013-05-02
CN103999155B (en) 2016-12-21
JP6190373B2 (en) 2017-08-30
BR112014009647A2 (en) 2017-05-09
JP2014532891A (en) 2014-12-08
US9875748B2 (en) 2018-01-23

Similar Documents

Publication Publication Date Title
BR112013022641A2 (en)
AP3853A (en)
BR112013031251A2 (en)
BR112013023185A2 (en)
BR112013022995A2 (en)
BR112013017670A2 (en)
BR112013024365A2 (en)
BR112013028733A2 (en)
AP2016009466A0 (en)
BR112013031556A2 (en)
BR112013032380A2 (en)
BR112013032377A2 (en)
BR112013032368A2 (en)
BR112013018949A2 (en)
BR112013021637A2 (en)
BR112013027836A2 (en)
BR112013032392A2 (en)
BR112013017878A2 (en)
BR112013027871A2 (en)
BR112013032394A2 (en)
BR112013030734A2 (en)
BR112013027112A2 (en)
BR112013022499A2 (en)
AP3777A (en)
BR102012019800A2 (en)