IN2014MN02011A - - Google Patents

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Publication number
IN2014MN02011A
IN2014MN02011A IN2011MUN2014A IN2014MN02011A IN 2014MN02011 A IN2014MN02011 A IN 2014MN02011A IN 2011MUN2014 A IN2011MUN2014 A IN 2011MUN2014A IN 2014MN02011 A IN2014MN02011 A IN 2014MN02011A
Authority
IN
India
Prior art keywords
difference signal
envelope
harmonicity
harmonics
includes determining
Prior art date
Application number
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English (en)
Inventor
Erik Visser
Lae Hoon Kim
Jongwon Shin
Yinyi Guo
Sang Uk Ryu
Andre Gustavo P Schevciw
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of IN2014MN02011A publication Critical patent/IN2014MN02011A/en

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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
    • G10L15/00—Speech recognition
    • G10L15/20—Speech recognition techniques specially adapted for robustness in adverse environments, e.g. in noise, of stress induced speech
    • 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
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • 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
    • G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
    • G10L2021/02165—Two microphones, one receiving mainly the noise signal and the other one mainly the speech signal
    • 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)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Telephone Function (AREA)
  • Circuits Of Receivers In General (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
IN2011MUN2014 2012-04-23 2013-04-18 IN2014MN02011A (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201261637175P 2012-04-23 2012-04-23
US201261658843P 2012-06-12 2012-06-12
US201261726458P 2012-11-14 2012-11-14
US201261738976P 2012-12-18 2012-12-18
US13/827,894 US9305567B2 (en) 2012-04-23 2013-03-14 Systems and methods for audio signal processing
PCT/US2013/037117 WO2013162995A2 (fr) 2012-04-23 2013-04-18 Systèmes et procédés pour le traitement de signaux audio

Publications (1)

Publication Number Publication Date
IN2014MN02011A true IN2014MN02011A (fr) 2015-08-07

Family

ID=49380926

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2011MUN2014 IN2014MN02011A (fr) 2012-04-23 2013-04-18

Country Status (5)

Country Link
US (3) US20130282373A1 (fr)
KR (1) KR20150005979A (fr)
CN (1) CN104246877B (fr)
IN (1) IN2014MN02011A (fr)
WO (3) WO2013162993A1 (fr)

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CN104246877B (zh) 2017-05-10
US9305567B2 (en) 2016-04-05
US20130282372A1 (en) 2013-10-24
US20130282373A1 (en) 2013-10-24
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CN104246877A (zh) 2014-12-24
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