BRPI0815721A2 - sistema e método para detecção de atividade de ruído - Google Patents

sistema e método para detecção de atividade de ruído

Info

Publication number
BRPI0815721A2
BRPI0815721A2 BRPI0815721A BRPI0815721A BRPI0815721A2 BR PI0815721 A2 BRPI0815721 A2 BR PI0815721A2 BR PI0815721 A BRPI0815721 A BR PI0815721A BR PI0815721 A BRPI0815721 A BR PI0815721A BR PI0815721 A2 BRPI0815721 A2 BR PI0815721A2
Authority
BR
Brazil
Prior art keywords
detecting noise
noise activity
activity
detecting
noise
Prior art date
Application number
BRPI0815721A
Other languages
English (en)
Inventor
C Taenzer John
Original Assignee
Dolby Laboratories Licensing 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 Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of BRPI0815721A2 publication Critical patent/BRPI0815721A2/pt

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
BRPI0815721A 2007-08-22 2008-08-22 sistema e método para detecção de atividade de ruído BRPI0815721A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US96585407P 2007-08-22 2007-08-22
PCT/US2008/074102 WO2009026561A1 (en) 2007-08-22 2008-08-22 System and method for noise activity detection

Publications (1)

Publication Number Publication Date
BRPI0815721A2 true BRPI0815721A2 (pt) 2017-06-13

Family

ID=40378704

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0815721A BRPI0815721A2 (pt) 2007-08-22 2008-08-22 sistema e método para detecção de atividade de ruído

Country Status (7)

Country Link
US (1) US20090154726A1 (pt)
EP (1) EP2191594A4 (pt)
JP (1) JP2010537253A (pt)
KR (1) KR20100051727A (pt)
CN (1) CN101821971A (pt)
BR (1) BRPI0815721A2 (pt)
WO (1) WO2009026561A1 (pt)

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CN103458201B (zh) * 2012-06-05 2017-02-22 晨星软件研发(深圳)有限公司 信号处理装置及信号处理方法
CN102750956B (zh) * 2012-06-18 2014-07-16 歌尔声学股份有限公司 一种单通道语音去混响的方法和装置
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US10306389B2 (en) 2013-03-13 2019-05-28 Kopin Corporation Head wearable acoustic system with noise canceling microphone geometry apparatuses and methods
CN103198835B (zh) * 2013-04-03 2015-04-01 工业和信息化部电信传输研究所 一种基于移动终端的噪声抑制算法再收敛时间测量方法
US9263061B2 (en) * 2013-05-21 2016-02-16 Google Inc. Detection of chopped speech
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WO2015142486A1 (en) * 2014-03-17 2015-09-24 Robert Bosch Gmbh System and method for all electrical noise testing of mems microphones in production
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KR20170069280A (ko) 2015-05-04 2017-06-20 하만인터내셔날인더스트리스인코포레이티드 차량 스피커 어셈블리를 위한 벤팅 시스템
US10027302B2 (en) * 2015-05-07 2018-07-17 Shari Eskenas Audio interrupter alertness device for headphones
CN106297819B (zh) * 2015-05-25 2019-09-06 国家计算机网络与信息安全管理中心 一种应用于说话人识别的噪声消除方法
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US10374564B2 (en) * 2017-04-20 2019-08-06 Dts, Inc. Loudness control with noise detection and loudness drop detection
US10697739B1 (en) * 2017-12-06 2020-06-30 David Skipper Electronic flashbang
US10928502B2 (en) * 2018-05-30 2021-02-23 Richwave Technology Corp. Methods and apparatus for detecting presence of an object in an environment
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CN109275084B (zh) * 2018-09-12 2021-01-01 北京小米智能科技有限公司 麦克风阵列的测试方法、装置、系统、设备和存储介质
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CN110620600B (zh) * 2019-09-11 2021-10-26 华为技术有限公司 车载收音机及控制方法
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CN113990074B (zh) * 2021-12-28 2022-03-04 江苏华设远州交通科技有限公司 一种基于噪音数据采集处理的交通管控系统及方法

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Also Published As

Publication number Publication date
KR20100051727A (ko) 2010-05-17
CN101821971A (zh) 2010-09-01
EP2191594A1 (en) 2010-06-02
EP2191594A4 (en) 2011-06-08
JP2010537253A (ja) 2010-12-02
WO2009026561A1 (en) 2009-02-26
US20090154726A1 (en) 2009-06-18

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Legal Events

Date Code Title Description
B08F Application fees: application dismissed [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]