DE69913262D1 - Vorrichtung und verfahren zur anpassung der rauschschwelle zur sprachaktivitätsdetektion in einer nichtstationären geräuschumgebung - Google Patents

Vorrichtung und verfahren zur anpassung der rauschschwelle zur sprachaktivitätsdetektion in einer nichtstationären geräuschumgebung

Info

Publication number
DE69913262D1
DE69913262D1 DE69913262T DE69913262T DE69913262D1 DE 69913262 D1 DE69913262 D1 DE 69913262D1 DE 69913262 T DE69913262 T DE 69913262T DE 69913262 T DE69913262 T DE 69913262T DE 69913262 D1 DE69913262 D1 DE 69913262D1
Authority
DE
Germany
Prior art keywords
adjusting
voice activity
detecting voice
noise
stationary
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
DE69913262T
Other languages
English (en)
Other versions
DE69913262T2 (de
Inventor
David Malah
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.)
AT&T Corp
Original Assignee
AT&T 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 AT&T Corp filed Critical AT&T Corp
Publication of DE69913262D1 publication Critical patent/DE69913262D1/de
Application granted granted Critical
Publication of DE69913262T2 publication Critical patent/DE69913262T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Noise Elimination (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Telephonic Communication Services (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
DE1999613262 1998-02-27 1999-02-26 Vorrichtung und verfahren zur anpassung der rauschschwelle zur sprachaktivitätsdetektion in einer nichtstationären geräuschumgebung Expired - Lifetime DE69913262T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US31726 1998-02-27
US09/031,726 US5991718A (en) 1998-02-27 1998-02-27 System and method for noise threshold adaptation for voice activity detection in nonstationary noise environments
PCT/US1999/004176 WO1999044191A1 (en) 1998-02-27 1999-02-26 System and method for noise threshold adaptation for voice activity detection in nonstationary noise environments

Publications (2)

Publication Number Publication Date
DE69913262D1 true DE69913262D1 (de) 2004-01-15
DE69913262T2 DE69913262T2 (de) 2004-11-18

Family

ID=21861065

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1999613262 Expired - Lifetime DE69913262T2 (de) 1998-02-27 1999-02-26 Vorrichtung und verfahren zur anpassung der rauschschwelle zur sprachaktivitätsdetektion in einer nichtstationären geräuschumgebung

Country Status (6)

Country Link
US (1) US5991718A (de)
EP (1) EP0979504B1 (de)
CA (1) CA2288115C (de)
DE (1) DE69913262T2 (de)
ES (1) ES2211057T3 (de)
WO (1) WO1999044191A1 (de)

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US6108610A (en) * 1998-10-13 2000-08-22 Noise Cancellation Technologies, Inc. Method and system for updating noise estimates during pauses in an information signal
US6768979B1 (en) * 1998-10-22 2004-07-27 Sony Corporation Apparatus and method for noise attenuation in a speech recognition system
US6289309B1 (en) 1998-12-16 2001-09-11 Sarnoff Corporation Noise spectrum tracking for speech enhancement
US6453291B1 (en) * 1999-02-04 2002-09-17 Motorola, Inc. Apparatus and method for voice activity detection in a communication system
WO2000046789A1 (fr) * 1999-02-05 2000-08-10 Fujitsu Limited Detecteur de la presence d'un son et procede de detection de la presence et/ou de l'absence d'un son
US6381570B2 (en) * 1999-02-12 2002-04-30 Telogy Networks, Inc. Adaptive two-threshold method for discriminating noise from speech in a communication signal
US6556967B1 (en) * 1999-03-12 2003-04-29 The United States Of America As Represented By The National Security Agency Voice activity detector
DE19939102C1 (de) * 1999-08-18 2000-10-26 Siemens Ag Verfahren und Anordnung zum Erkennen von Sprache
US7263074B2 (en) * 1999-12-09 2007-08-28 Broadcom Corporation Voice activity detection based on far-end and near-end statistics
US6671667B1 (en) * 2000-03-28 2003-12-30 Tellabs Operations, Inc. Speech presence measurement detection techniques
US6898566B1 (en) 2000-08-16 2005-05-24 Mindspeed Technologies, Inc. Using signal to noise ratio of a speech signal to adjust thresholds for extracting speech parameters for coding the speech signal
JP4201471B2 (ja) * 2000-09-12 2008-12-24 パイオニア株式会社 音声認識システム
US6662155B2 (en) * 2000-11-27 2003-12-09 Nokia Corporation Method and system for comfort noise generation in speech communication
US6876965B2 (en) 2001-02-28 2005-04-05 Telefonaktiebolaget Lm Ericsson (Publ) Reduced complexity voice activity detector
US7146314B2 (en) * 2001-12-20 2006-12-05 Renesas Technology Corporation Dynamic adjustment of noise separation in data handling, particularly voice activation
US7299173B2 (en) * 2002-01-30 2007-11-20 Motorola Inc. Method and apparatus for speech detection using time-frequency variance
US7146316B2 (en) * 2002-10-17 2006-12-05 Clarity Technologies, Inc. Noise reduction in subbanded speech signals
US7272552B1 (en) * 2002-12-27 2007-09-18 At&T Corp. Voice activity detection and silence suppression in a packet network
US7230955B1 (en) * 2002-12-27 2007-06-12 At & T Corp. System and method for improved use of voice activity detection
US7412376B2 (en) * 2003-09-10 2008-08-12 Microsoft Corporation System and method for real-time detection and preservation of speech onset in a signal
US7596488B2 (en) * 2003-09-15 2009-09-29 Microsoft Corporation System and method for real-time jitter control and packet-loss concealment in an audio signal
US7535859B2 (en) * 2003-10-16 2009-05-19 Nxp B.V. Voice activity detection with adaptive noise floor tracking
JP4601970B2 (ja) * 2004-01-28 2010-12-22 株式会社エヌ・ティ・ティ・ドコモ 有音無音判定装置および有音無音判定方法
JP4490090B2 (ja) * 2003-12-25 2010-06-23 株式会社エヌ・ティ・ティ・ドコモ 有音無音判定装置および有音無音判定方法
GB2422279A (en) * 2004-09-29 2006-07-19 Fluency Voice Technology Ltd Determining Pattern End-Point in an Input Signal
US7983906B2 (en) 2005-03-24 2011-07-19 Mindspeed Technologies, Inc. Adaptive voice mode extension for a voice activity detector
US8566086B2 (en) * 2005-06-28 2013-10-22 Qnx Software Systems Limited System for adaptive enhancement of speech signals
ES2525427T3 (es) 2006-02-10 2014-12-22 Telefonaktiebolaget L M Ericsson (Publ) Un detector de voz y un método para suprimir sub-bandas en un detector de voz
US8725499B2 (en) * 2006-07-31 2014-05-13 Qualcomm Incorporated Systems, methods, and apparatus for signal change detection
US20080189109A1 (en) * 2007-02-05 2008-08-07 Microsoft Corporation Segmentation posterior based boundary point determination
JP5229217B2 (ja) * 2007-02-27 2013-07-03 日本電気株式会社 音声認識システム、方法およびプログラム
GB2450886B (en) 2007-07-10 2009-12-16 Motorola Inc Voice activity detector and a method of operation
PT2186090T (pt) * 2007-08-27 2017-03-07 ERICSSON TELEFON AB L M (publ) Detetor de transitórios e método para suportar codificação de um sinal de áudio
KR101444099B1 (ko) * 2007-11-13 2014-09-26 삼성전자주식회사 음성 구간 검출 방법 및 장치
CN101419795B (zh) * 2008-12-03 2011-04-06 北京志诚卓盛科技发展有限公司 音频信号检测方法及装置、以及辅助口语考试系统
TWI601032B (zh) * 2013-08-02 2017-10-01 晨星半導體股份有限公司 應用於聲控裝置的控制器與相關方法
CN103489454B (zh) * 2013-09-22 2016-01-20 浙江大学 基于波形形态特征聚类的语音端点检测方法
US8990079B1 (en) * 2013-12-15 2015-03-24 Zanavox Automatic calibration of command-detection thresholds
CN107086043B (zh) * 2014-03-12 2020-09-08 华为技术有限公司 检测音频信号的方法和装置
US9685156B2 (en) * 2015-03-12 2017-06-20 Sony Mobile Communications Inc. Low-power voice command detector
US10475471B2 (en) * 2016-10-11 2019-11-12 Cirrus Logic, Inc. Detection of acoustic impulse events in voice applications using a neural network
US10242696B2 (en) * 2016-10-11 2019-03-26 Cirrus Logic, Inc. Detection of acoustic impulse events in voice applications
US11380321B2 (en) * 2019-08-01 2022-07-05 Semiconductor Components Industries, Llc Methods and apparatus for a voice detector
TW202226230A (zh) * 2020-12-29 2022-07-01 新加坡商創新科技有限公司 將麥克風信號靜音和取消靜音之方法

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US4696039A (en) * 1983-10-13 1987-09-22 Texas Instruments Incorporated Speech analysis/synthesis system with silence suppression
US5459814A (en) * 1993-03-26 1995-10-17 Hughes Aircraft Company Voice activity detector for speech signals in variable background noise
IN184794B (de) * 1993-09-14 2000-09-30 British Telecomm
WO1995015550A1 (en) * 1993-11-30 1995-06-08 At & T Corp. Transmitted noise reduction in communications systems

Also Published As

Publication number Publication date
EP0979504A1 (de) 2000-02-16
CA2288115A1 (en) 1999-09-02
EP0979504B1 (de) 2003-12-03
US5991718A (en) 1999-11-23
CA2288115C (en) 2003-08-26
ES2211057T3 (es) 2004-07-01
DE69913262T2 (de) 2004-11-18
WO1999044191A1 (en) 1999-09-02

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