BR9810695A - Dispositivo e processo de processamento de sinais - Google Patents

Dispositivo e processo de processamento de sinais

Info

Publication number
BR9810695A
BR9810695A BR9810695-3A BR9810695A BR9810695A BR 9810695 A BR9810695 A BR 9810695A BR 9810695 A BR9810695 A BR 9810695A BR 9810695 A BR9810695 A BR 9810695A
Authority
BR
Brazil
Prior art keywords
signal processing
time delay
respect
processing device
sensor
Prior art date
Application number
BR9810695-3A
Other languages
English (en)
Portuguese (pt)
Inventor
Knut Peter Hondel
Jim Agne Jerker Rasmusson
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 BR9810695A publication Critical patent/BR9810695A/pt

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18Methods or devices for transmitting, conducting or directing sound
    • G10K11/26Sound-focusing or directing, e.g. scanning
    • G10K11/34Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341Circuits therefor
    • G10K11/345Circuits therefor using energy switching from one active element to another
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching
    • H04M9/08Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic

Landscapes

  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Noise Elimination (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
BR9810695-3A 1997-07-11 1998-07-03 Dispositivo e processo de processamento de sinais BR9810695A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/890,768 US6430295B1 (en) 1997-07-11 1997-07-11 Methods and apparatus for measuring signal level and delay at multiple sensors
PCT/SE1998/001319 WO1999003091A1 (en) 1997-07-11 1998-07-03 Methods and apparatus for measuring signal level and delay at multiple sensors

Publications (1)

Publication Number Publication Date
BR9810695A true BR9810695A (pt) 2000-09-05

Family

ID=25397124

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9810695-3A BR9810695A (pt) 1997-07-11 1998-07-03 Dispositivo e processo de processamento de sinais

Country Status (14)

Country Link
US (1) US6430295B1 (enExample)
EP (1) EP0995188B1 (enExample)
JP (1) JP4082649B2 (enExample)
KR (1) KR100480404B1 (enExample)
CN (1) CN1122963C (enExample)
AU (1) AU747618B2 (enExample)
BR (1) BR9810695A (enExample)
DE (1) DE69837663D1 (enExample)
EE (1) EE200000008A (enExample)
MY (1) MY120049A (enExample)
PL (1) PL337971A1 (enExample)
SG (1) SG70644A1 (enExample)
TW (1) TW386330B (enExample)
WO (1) WO1999003091A1 (enExample)

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US7246058B2 (en) * 2001-05-30 2007-07-17 Aliph, Inc. Detecting voiced and unvoiced speech using both acoustic and nonacoustic sensors
US8019091B2 (en) 2000-07-19 2011-09-13 Aliphcom, Inc. Voice activity detector (VAD) -based multiple-microphone acoustic noise suppression
US20020099541A1 (en) * 2000-11-21 2002-07-25 Burnett Gregory C. Method and apparatus for voiced speech excitation function determination and non-acoustic assisted feature extraction
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US8744844B2 (en) 2007-07-06 2014-06-03 Audience, Inc. System and method for adaptive intelligent noise suppression
US8194880B2 (en) * 2006-01-30 2012-06-05 Audience, Inc. System and method for utilizing omni-directional microphones for speech enhancement
US8934641B2 (en) 2006-05-25 2015-01-13 Audience, Inc. Systems and methods for reconstructing decomposed audio signals
US8949120B1 (en) 2006-05-25 2015-02-03 Audience, Inc. Adaptive noise cancelation
US8849231B1 (en) 2007-08-08 2014-09-30 Audience, Inc. System and method for adaptive power control
US8150065B2 (en) * 2006-05-25 2012-04-03 Audience, Inc. System and method for processing an audio signal
US8204253B1 (en) 2008-06-30 2012-06-19 Audience, Inc. Self calibration of audio device
US8259926B1 (en) 2007-02-23 2012-09-04 Audience, Inc. System and method for 2-channel and 3-channel acoustic echo cancellation
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WO2009076523A1 (en) * 2007-12-11 2009-06-18 Andrea Electronics Corporation Adaptive filtering in a sensor array system
US9392360B2 (en) 2007-12-11 2016-07-12 Andrea Electronics Corporation Steerable sensor array system with video input
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US8143620B1 (en) 2007-12-21 2012-03-27 Audience, Inc. System and method for adaptive classification of audio sources
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US8355511B2 (en) 2008-03-18 2013-01-15 Audience, Inc. System and method for envelope-based acoustic echo cancellation
US8542843B2 (en) * 2008-04-25 2013-09-24 Andrea Electronics Corporation Headset with integrated stereo array microphone
US8818000B2 (en) 2008-04-25 2014-08-26 Andrea Electronics Corporation System, device, and method utilizing an integrated stereo array microphone
US8521530B1 (en) 2008-06-30 2013-08-27 Audience, Inc. System and method for enhancing a monaural audio signal
US8774423B1 (en) 2008-06-30 2014-07-08 Audience, Inc. System and method for controlling adaptivity of signal modification using a phantom coefficient
US9008329B1 (en) 2010-01-26 2015-04-14 Audience, Inc. Noise reduction using multi-feature cluster tracker
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CN104656494A (zh) * 2013-11-19 2015-05-27 北大方正集团有限公司 一种信号实时性处理装置
CN106797512B (zh) 2014-08-28 2019-10-25 美商楼氏电子有限公司 多源噪声抑制的方法、系统和非瞬时计算机可读存储介质
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WO2018051538A1 (ja) 2016-09-15 2018-03-22 アルプス電気株式会社 物理量測定装置
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CN116232282B (zh) * 2023-01-12 2023-12-19 湖南大学无锡智能控制研究院 一种基于自适应全通滤波器的时变时延估计方法、装置和系统

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Also Published As

Publication number Publication date
DE69837663D1 (de) 2007-06-06
EE200000008A (et) 2000-08-15
CN1122963C (zh) 2003-10-01
EP0995188B1 (en) 2007-04-25
PL337971A1 (en) 2000-09-11
JP2001509659A (ja) 2001-07-24
AU747618B2 (en) 2002-05-16
SG70644A1 (en) 2000-02-22
MY120049A (en) 2005-08-30
KR20010021720A (ko) 2001-03-15
TW386330B (en) 2000-04-01
WO1999003091A1 (en) 1999-01-21
KR100480404B1 (ko) 2005-04-06
EP0995188A1 (en) 2000-04-26
JP4082649B2 (ja) 2008-04-30
US6430295B1 (en) 2002-08-06
CN1269902A (zh) 2000-10-11
HK1031421A1 (en) 2001-06-15
AU8364298A (en) 1999-02-08

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Legal Events

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B06G Technical and formal requirements: other requirements [chapter 6.7 patent gazette]

Free format text: APRESENTAR A COMPLEMENTACAO DA RETRIBUICAO REFERENTE A PETICAO DE PEDIDO DE EXAME NO 040610 DE 17/10/2000, VISTO QUE O VALOR PAGO NAO ESTA DE ACORDO COM A RETRIBUICAO EM QUESTAO

B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 11A E 12A ANUIDADES

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2073 DE 28/09/2010.