MX346740B - Cancelación de ruido de campo cercano. - Google Patents

Cancelación de ruido de campo cercano.

Info

Publication number
MX346740B
MX346740B MX2014014146A MX2014014146A MX346740B MX 346740 B MX346740 B MX 346740B MX 2014014146 A MX2014014146 A MX 2014014146A MX 2014014146 A MX2014014146 A MX 2014014146A MX 346740 B MX346740 B MX 346740B
Authority
MX
Mexico
Prior art keywords
field noise
signal
far
noise cancellation
cancellation process
Prior art date
Application number
MX2014014146A
Other languages
English (en)
Other versions
MX2014014146A (es
Inventor
Tennant Bryce
Original Assignee
Harris 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 Harris Corp filed Critical Harris Corp
Publication of MX2014014146A publication Critical patent/MX2014014146A/es
Publication of MX346740B publication Critical patent/MX346740B/es

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (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)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Noise Elimination (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

Sistemas y métodos para cancelar una señal de ruido de campo cercano. Los métodos implican en general: recibir (604), a partir de un primer dispositivo (120) de detección acústica, una primera señal (214) que comprende una señal (206) de ruido de campo cercano; sintetizar (320, 420, 520, 606) una señal (322, 422, 522) de réplica que replica la señal de ruido de campo cercano; y comunicar (608) la señal de réplica y la primera señal a un proceso (150) de cancelación de ruido de campo lejano. Antes de comunicar la señal de réplica al proceso de cancelación de ruido de campo lejano, al menos se controla (606) una característica de la señal de réplica de modo que el proceso de cancelación de ruido de campo lejano identificará la señal de ruido de campo cercano como ruido de campo lejano. El proceso de cancelación de ruido de campo lejano cancela (610) la señal de ruido de campo cercano y genera (612) una señal (360, 460, 560) de salida en la que la señal de ruido de campo cercano se reduce en amplitud.
MX2014014146A 2012-05-22 2013-05-17 Cancelación de ruido de campo cercano. MX346740B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/477,154 US9183844B2 (en) 2012-05-22 2012-05-22 Near-field noise cancellation
PCT/US2013/041551 WO2013176980A1 (en) 2012-05-22 2013-05-17 Near-field noise cancellation

Publications (2)

Publication Number Publication Date
MX2014014146A MX2014014146A (es) 2015-02-04
MX346740B true MX346740B (es) 2017-03-30

Family

ID=48576545

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2014014146A MX346740B (es) 2012-05-22 2013-05-17 Cancelación de ruido de campo cercano.

Country Status (9)

Country Link
US (1) US9183844B2 (es)
EP (1) EP2852951B1 (es)
KR (1) KR101941735B1 (es)
CN (1) CN104272383B (es)
AU (1) AU2013266621B2 (es)
BR (1) BR112014028769A2 (es)
CA (1) CA2870047C (es)
MX (1) MX346740B (es)
WO (1) WO2013176980A1 (es)

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US10586540B1 (en) * 2019-06-12 2020-03-10 Sonos, Inc. Network microphone device with command keyword conditioning
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EP4202922A1 (en) * 2021-12-23 2023-06-28 GN Audio A/S Audio device and method for speaker extraction

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JP5056157B2 (ja) * 2007-05-18 2012-10-24 ソニー株式会社 ノイズ低減回路
KR101409169B1 (ko) * 2007-09-05 2014-06-19 삼성전자주식회사 억제 폭 조절을 통한 사운드 줌 방법 및 장치
KR101238361B1 (ko) * 2007-10-15 2013-02-28 삼성전자주식회사 어레이 스피커 시스템에서 근접장 효과를 보상하는 방법 및장치
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Also Published As

Publication number Publication date
WO2013176980A1 (en) 2013-11-28
BR112014028769A2 (pt) 2017-06-27
CN104272383A (zh) 2015-01-07
US20130317783A1 (en) 2013-11-28
CN104272383B (zh) 2017-06-20
EP2852951A1 (en) 2015-04-01
CA2870047C (en) 2017-10-31
KR20150020525A (ko) 2015-02-26
CA2870047A1 (en) 2013-11-28
KR101941735B1 (ko) 2019-01-23
US9183844B2 (en) 2015-11-10
EP2852951B1 (en) 2018-01-31
AU2013266621B2 (en) 2017-02-02
AU2013266621A1 (en) 2014-09-25
MX2014014146A (es) 2015-02-04

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