PT2491559E - Método e estimador de fundo para a detecção de actividade de voz - Google Patents

Método e estimador de fundo para a detecção de actividade de voz Download PDF

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Publication number
PT2491559E
PT2491559E PT108252859T PT10825285T PT2491559E PT 2491559 E PT2491559 E PT 2491559E PT 108252859 T PT108252859 T PT 108252859T PT 10825285 T PT10825285 T PT 10825285T PT 2491559 E PT2491559 E PT 2491559E
Authority
PT
Portugal
Prior art keywords
voice activity
activity detection
background estimator
estimator
background
Prior art date
Application number
PT108252859T
Other languages
English (en)
Inventor
Martin Sehlstedt
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of PT2491559E publication Critical patent/PT2491559E/pt

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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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • G10L25/84—Detection of presence or absence of voice signals for discriminating voice from noise
    • 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
    • G10L15/06—Creation of reference templates; Training of speech recognition systems, e.g. adaptation to the characteristics of the speaker's voice
    • G10L15/063—Training
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • 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
    • G10L15/06—Creation of reference templates; Training of speech recognition systems, e.g. adaptation to the characteristics of the speaker's voice
    • G10L15/063—Training
    • G10L2015/0635—Training updating or merging of old and new templates; Mean values; Weighting
    • G10L2015/0636—Threshold criteria for the updating
    • 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
    • G10L25/78—Detection of presence or absence of voice signals
    • G10L2025/783—Detection of presence or absence of voice signals based on threshold decision
    • G10L2025/786—Adaptive threshold
    • 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
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Artificial Intelligence (AREA)
  • Noise Elimination (AREA)
  • Telephonic Communication Services (AREA)
  • Telephone Function (AREA)
PT108252859T 2009-10-19 2010-10-18 Método e estimador de fundo para a detecção de actividade de voz PT2491559E (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US25285809P 2009-10-19 2009-10-19
US26258309P 2009-11-19 2009-11-19
US37675210P 2010-08-25 2010-08-25

Publications (1)

Publication Number Publication Date
PT2491559E true PT2491559E (pt) 2015-05-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PT108252859T PT2491559E (pt) 2009-10-19 2010-10-18 Método e estimador de fundo para a detecção de actividade de voz

Country Status (9)

Country Link
US (2) US9202476B2 (pt)
EP (2) EP2491559B1 (pt)
JP (1) JP5712220B2 (pt)
CN (1) CN102667927B (pt)
AU (1) AU2010308597B2 (pt)
CA (1) CA2778342C (pt)
IN (1) IN2012DN03221A (pt)
PT (1) PT2491559E (pt)
WO (1) WO2011049514A1 (pt)

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EP3324406A1 (en) * 2016-11-17 2018-05-23 Fraunhofer Gesellschaft zur Förderung der Angewand Apparatus and method for decomposing an audio signal using a variable threshold
CN106448696A (zh) * 2016-12-20 2017-02-22 成都启英泰伦科技有限公司 一种基于背景噪声估计自适应高通滤波语音降噪方法
CN108762221B (zh) * 2018-07-09 2021-05-11 西安电子科技大学 含有不可控事件的自动制造系统的无死锁控制方法
KR102280692B1 (ko) * 2019-08-12 2021-07-22 엘지전자 주식회사 지능적 음성 인식 방법, 음성 인식 장치 및 지능형 컴퓨팅 디바이스
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CN112489692A (zh) * 2020-11-03 2021-03-12 北京捷通华声科技股份有限公司 语音端点检测方法和装置

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Also Published As

Publication number Publication date
US20120209604A1 (en) 2012-08-16
JP5712220B2 (ja) 2015-05-07
CN102667927B (zh) 2013-05-08
IN2012DN03221A (pt) 2015-10-23
JP2013508772A (ja) 2013-03-07
US9418681B2 (en) 2016-08-16
CA2778342A1 (en) 2011-04-28
EP2491559A4 (en) 2013-11-06
US20160078884A1 (en) 2016-03-17
WO2011049514A1 (en) 2011-04-28
AU2010308597B2 (en) 2015-10-01
EP2491559A1 (en) 2012-08-29
CN102667927A (zh) 2012-09-12
EP2816560A1 (en) 2014-12-24
CA2778342C (en) 2017-08-22
US9202476B2 (en) 2015-12-01
AU2010308597A1 (en) 2012-05-17
EP2491559B1 (en) 2014-12-10

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