DE60230871D1 - Sprachmerkmalextraktionssystem - Google Patents

Sprachmerkmalextraktionssystem

Info

Publication number
DE60230871D1
DE60230871D1 DE60230871T DE60230871T DE60230871D1 DE 60230871 D1 DE60230871 D1 DE 60230871D1 DE 60230871 T DE60230871 T DE 60230871T DE 60230871 T DE60230871 T DE 60230871T DE 60230871 D1 DE60230871 D1 DE 60230871D1
Authority
DE
Germany
Prior art keywords
feature extraction
band pass
pass filters
extraction system
voice feature
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.)
Expired - Lifetime
Application number
DE60230871T
Other languages
English (en)
Inventor
Yigal Brandman
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE60230871D1 publication Critical patent/DE60230871D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G10L15/00—Speech recognition
    • G10L15/02—Feature extraction for speech recognition; Selection of recognition unit
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech 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
    • G10L19/02—Speech 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 using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—Speech 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 using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
DE60230871T 2001-06-15 2002-06-14 Sprachmerkmalextraktionssystem Expired - Lifetime DE60230871D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/882,744 US6493668B1 (en) 2001-06-15 2001-06-15 Speech feature extraction system
PCT/US2002/019182 WO2002103676A1 (en) 2001-06-15 2002-06-14 Speech feature extraction system

Publications (1)

Publication Number Publication Date
DE60230871D1 true DE60230871D1 (de) 2009-03-05

Family

ID=25381249

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60230871T Expired - Lifetime DE60230871D1 (de) 2001-06-15 2002-06-14 Sprachmerkmalextraktionssystem

Country Status (7)

Country Link
US (2) US6493668B1 (de)
EP (1) EP1402517B1 (de)
JP (1) JP4177755B2 (de)
AT (1) ATE421137T1 (de)
CA (1) CA2450230A1 (de)
DE (1) DE60230871D1 (de)
WO (1) WO2002103676A1 (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3673507B2 (ja) * 2002-05-16 2005-07-20 独立行政法人科学技術振興機構 音声波形の特徴を高い信頼性で示す部分を決定するための装置およびプログラム、音声信号の特徴を高い信頼性で示す部分を決定するための装置およびプログラム、ならびに擬似音節核抽出装置およびプログラム
JP4265908B2 (ja) * 2002-12-12 2009-05-20 アルパイン株式会社 音声認識装置及び音声認識性能改善方法
DE102004008225B4 (de) * 2004-02-19 2006-02-16 Infineon Technologies Ag Verfahren und Einrichtung zum Ermitteln von Merkmalsvektoren aus einem Signal zur Mustererkennung, Verfahren und Einrichtung zur Mustererkennung sowie computerlesbare Speichermedien
US20070041517A1 (en) * 2005-06-30 2007-02-22 Pika Technologies Inc. Call transfer detection method using voice identification techniques
US20070118364A1 (en) * 2005-11-23 2007-05-24 Wise Gerald B System for generating closed captions
US20070118372A1 (en) * 2005-11-23 2007-05-24 General Electric Company System and method for generating closed captions
US8345890B2 (en) 2006-01-05 2013-01-01 Audience, Inc. System and method for utilizing inter-microphone level differences for speech enhancement
US8204252B1 (en) 2006-10-10 2012-06-19 Audience, Inc. System and method for providing close microphone adaptive array processing
US9185487B2 (en) 2006-01-30 2015-11-10 Audience, Inc. System and method for providing noise suppression utilizing null processing noise subtraction
US8194880B2 (en) 2006-01-30 2012-06-05 Audience, Inc. System and method for utilizing omni-directional microphones for speech enhancement
US8744844B2 (en) 2007-07-06 2014-06-03 Audience, Inc. System and method for adaptive intelligent noise suppression
US7778831B2 (en) * 2006-02-21 2010-08-17 Sony Computer Entertainment Inc. Voice recognition with dynamic filter bank adjustment based on speaker categorization determined from runtime pitch
US8204253B1 (en) 2008-06-30 2012-06-19 Audience, Inc. Self calibration of audio device
US20080010067A1 (en) * 2006-07-07 2008-01-10 Chaudhari Upendra V Target specific data filter to speed processing
US8259926B1 (en) 2007-02-23 2012-09-04 Audience, Inc. System and method for 2-channel and 3-channel acoustic echo cancellation
US8189766B1 (en) 2007-07-26 2012-05-29 Audience, Inc. System and method for blind subband acoustic echo cancellation postfiltering
CN101939782B (zh) * 2007-08-27 2012-12-05 爱立信电话股份有限公司 噪声填充与带宽扩展之间的自适应过渡频率
US20090150164A1 (en) * 2007-12-06 2009-06-11 Hu Wei Tri-model audio segmentation
US8180064B1 (en) 2007-12-21 2012-05-15 Audience, Inc. System and method for providing voice equalization
US8194882B2 (en) 2008-02-29 2012-06-05 Audience, Inc. System and method for providing single microphone noise suppression fallback
US8355511B2 (en) 2008-03-18 2013-01-15 Audience, Inc. System and method for envelope-based acoustic echo cancellation
US8521530B1 (en) 2008-06-30 2013-08-27 Audience, Inc. System and method for enhancing a monaural audio signal
US8626516B2 (en) * 2009-02-09 2014-01-07 Broadcom Corporation Method and system for dynamic range control in an audio processing system
US9838784B2 (en) 2009-12-02 2017-12-05 Knowles Electronics, Llc Directional audio capture
US9008329B1 (en) 2010-01-26 2015-04-14 Audience, Inc. Noise reduction using multi-feature cluster tracker
US8767978B2 (en) 2011-03-25 2014-07-01 The Intellisis Corporation System and method for processing sound signals implementing a spectral motion transform
US8620646B2 (en) 2011-08-08 2013-12-31 The Intellisis Corporation System and method for tracking sound pitch across an audio signal using harmonic envelope
US9183850B2 (en) 2011-08-08 2015-11-10 The Intellisis Corporation System and method for tracking sound pitch across an audio signal
US8548803B2 (en) * 2011-08-08 2013-10-01 The Intellisis Corporation System and method of processing a sound signal including transforming the sound signal into a frequency-chirp domain
WO2013184667A1 (en) 2012-06-05 2013-12-12 Rank Miner, Inc. System, method and apparatus for voice analytics of recorded audio
US9536540B2 (en) 2013-07-19 2017-01-03 Knowles Electronics, Llc Speech signal separation and synthesis based on auditory scene analysis and speech modeling
US9280968B2 (en) * 2013-10-04 2016-03-08 At&T Intellectual Property I, L.P. System and method of using neural transforms of robust audio features for speech processing
US9978388B2 (en) 2014-09-12 2018-05-22 Knowles Electronics, Llc Systems and methods for restoration of speech components
US9842611B2 (en) 2015-02-06 2017-12-12 Knuedge Incorporated Estimating pitch using peak-to-peak distances
US9922668B2 (en) 2015-02-06 2018-03-20 Knuedge Incorporated Estimating fractional chirp rate with multiple frequency representations
US9870785B2 (en) 2015-02-06 2018-01-16 Knuedge Incorporated Determining features of harmonic signals
US9820042B1 (en) 2016-05-02 2017-11-14 Knowles Electronics, Llc Stereo separation and directional suppression with omni-directional microphones

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4300229A (en) * 1979-02-21 1981-11-10 Nippon Electric Co., Ltd. Transmitter and receiver for an othogonally multiplexed QAM signal of a sampling rate N times that of PAM signals, comprising an N/2-point offset fourier transform processor
US4221934A (en) * 1979-05-11 1980-09-09 Rca Corporation Compandor for group of FDM signals
GB8307702D0 (en) * 1983-03-21 1983-04-27 British Telecomm Digital band-split filter means
NL8400677A (nl) * 1984-03-02 1985-10-01 Philips Nv Transmissiesysteem voor de overdracht van data signalen in een modulaatband.

Also Published As

Publication number Publication date
ATE421137T1 (de) 2009-01-15
US20030014245A1 (en) 2003-01-16
US20020198711A1 (en) 2002-12-26
US6493668B1 (en) 2002-12-10
JP4177755B2 (ja) 2008-11-05
EP1402517B1 (de) 2009-01-14
CA2450230A1 (en) 2002-12-27
EP1402517A4 (de) 2007-04-25
WO2002103676A1 (en) 2002-12-27
JP2004531767A (ja) 2004-10-14
EP1402517A1 (de) 2004-03-31
US7013274B2 (en) 2006-03-14

Similar Documents

Publication Publication Date Title
DE60230871D1 (de) Sprachmerkmalextraktionssystem
EP1315150A3 (de) Adaptive Postfilterverfahren und Vorrichtungen zur Sprachdekodierung
DE60238996D1 (de) Direktionale audiosignalverarbeitung unter verwendung einer überabgetasteten filterbank
DE69903334T2 (de) Vorrichtung zur signal-rauschverhältnismessung in einem sprachsignal
DE69836785D1 (de) Audiosignalkompression, Sprachsignalkompression und Spracherkennung
DE602005016454D1 (de) Vorrichtung und verfahren zur verminderung von stottern
ATE379833T1 (de) Vorrichtungen und verfahren zur bestimmung von leistungswerten für die geräuschunterdrückung für ein sprachkommunikationssystem
DE60108752D1 (de) Verfahren zur rauschunterdrückung in einem adaptiven strahlformer
DE60120247D1 (de) Spracherkennung aus multimodalen Eingabe
ATE9415T1 (de) Spracherkennungssystem.
DE602005005948D1 (de) Audiosignal-verbesserung
ITMI932018A0 (it) Metodo di riduzione del rumore, in particolare per riconoscimento automatico del parlato, e filtro atto ad implementare lo stesso
DE60220847D1 (de) Spracherkennungssystem, System zur Ermittlung von Referenzmustern, sowie entsprechende Verfahren
DE60235701D1 (de) Verfahren zur rauschverminderung in einem hörgerät und nach einem solchen verfahren funktionierendes hörgerät
BRPI0410354A (pt) método de comunicação com portadora múltipla
DE69726490D1 (de) Vorrichtung zur Unterdrückung von Sprache und Rauschen, sowie zur Spracherkennung
EP1241921A3 (de) Akustischer Signalprozessor
US20140016805A1 (en) Hearing aid device
DE50210983D1 (de) Filterschaltung und verfahren zur verarbeitung eines audiosignals
ATE282879T1 (de) Signalverarbeitungsverfahren zur analyse von sprachsignal-transienten
GB2014406B (en) Analog speech enconder and decoder
ATE247325T1 (de) Sprachgesteuerte navigation für einen elektronischen post leser
DE602004019424D1 (de) Verfahren zur analyse von impulsen enthaltenden signalen
Sun et al. A robust feature extraction approach based on an auditory model for classification of speech and expressiveness
KR870009323A (ko) 음성신호의 특징 파라미터 추출회로

Legal Events

Date Code Title Description
8364 No opposition during term of opposition