BR112012002428A2 - sistema de redução sonira ativa para a atenuação do som emitido por uma fonte sonora primária e método de redução sonora ativa para atenuar o som emitido por uma fonte sonora primária - Google Patents

sistema de redução sonira ativa para a atenuação do som emitido por uma fonte sonora primária e método de redução sonora ativa para atenuar o som emitido por uma fonte sonora primária

Info

Publication number
BR112012002428A2
BR112012002428A2 BR112012002428A BR112012002428A BR112012002428A2 BR 112012002428 A2 BR112012002428 A2 BR 112012002428A2 BR 112012002428 A BR112012002428 A BR 112012002428A BR 112012002428 A BR112012002428 A BR 112012002428A BR 112012002428 A2 BR112012002428 A2 BR 112012002428A2
Authority
BR
Brazil
Prior art keywords
sound
attenuation
active
primary
source
Prior art date
Application number
BR112012002428A
Other languages
English (en)
Inventor
J Van Leest Adriaan
S Booij Paul
M Aarts Ronaldus
Original Assignee
Koninl Philips Electronics Nv
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 Koninl Philips Electronics Nv filed Critical Koninl Philips Electronics Nv
Publication of BR112012002428A2 publication Critical patent/BR112012002428A2/pt

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods 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
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods 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
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17857—Geometric disposition, e.g. placement of microphones
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods 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
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods 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
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods 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
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17853—Methods, e.g. algorithms; Devices of the filter
    • G10K11/17854—Methods, e.g. algorithms; Devices of the filter the filter being an adaptive filter
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods 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
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods 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
    • G10K11/1787—General system configurations
    • G10K11/17879—General system configurations using both a reference signal and an error signal
    • G10K11/17881—General system configurations using both a reference signal and an error signal the reference signal being an acoustic signal, e.g. recorded with a microphone
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/321—Physical
    • G10K2210/3214—Architectures, e.g. special constructional features or arrangements of features

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Circuit For Audible Band Transducer (AREA)
BR112012002428A 2009-08-07 2010-07-30 sistema de redução sonira ativa para a atenuação do som emitido por uma fonte sonora primária e método de redução sonora ativa para atenuar o som emitido por uma fonte sonora primária BR112012002428A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP09167433 2009-08-07
PCT/IB2010/053472 WO2011015979A2 (en) 2009-08-07 2010-07-30 Active sound reduction system and method

Publications (1)

Publication Number Publication Date
BR112012002428A2 true BR112012002428A2 (pt) 2019-09-24

Family

ID=43417097

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012002428A BR112012002428A2 (pt) 2009-08-07 2010-07-30 sistema de redução sonira ativa para a atenuação do som emitido por uma fonte sonora primária e método de redução sonora ativa para atenuar o som emitido por uma fonte sonora primária

Country Status (7)

Country Link
US (1) US9384727B2 (pt)
EP (1) EP2462585A2 (pt)
JP (1) JP5771205B2 (pt)
KR (1) KR20120054036A (pt)
CN (1) CN102473406B (pt)
BR (1) BR112012002428A2 (pt)
WO (1) WO2011015979A2 (pt)

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US10045112B2 (en) 2016-11-04 2018-08-07 Bragi GmbH Earpiece with added ambient environment
US10063957B2 (en) 2016-11-04 2018-08-28 Bragi GmbH Earpiece with source selection within ambient environment
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US10771881B2 (en) 2017-02-27 2020-09-08 Bragi GmbH Earpiece with audio 3D menu
US11544104B2 (en) 2017-03-22 2023-01-03 Bragi GmbH Load sharing between wireless earpieces
US11380430B2 (en) 2017-03-22 2022-07-05 Bragi GmbH System and method for populating electronic medical records with wireless earpieces
US10575086B2 (en) 2017-03-22 2020-02-25 Bragi GmbH System and method for sharing wireless earpieces
US11694771B2 (en) 2017-03-22 2023-07-04 Bragi GmbH System and method for populating electronic health records with wireless earpieces
US10708699B2 (en) 2017-05-03 2020-07-07 Bragi GmbH Hearing aid with added functionality
US11116415B2 (en) 2017-06-07 2021-09-14 Bragi GmbH Use of body-worn radar for biometric measurements, contextual awareness and identification
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Also Published As

Publication number Publication date
CN102473406B (zh) 2014-02-26
EP2462585A2 (en) 2012-06-13
CN102473406A (zh) 2012-05-23
WO2011015979A3 (en) 2011-12-01
JP5771205B2 (ja) 2015-08-26
US9384727B2 (en) 2016-07-05
KR20120054036A (ko) 2012-05-29
WO2011015979A2 (en) 2011-02-10
JP2013501946A (ja) 2013-01-17
US20120163626A1 (en) 2012-06-28

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Legal Events

Date Code Title Description
B08F Application fees: application dismissed [chapter 8.6 patent gazette]
B25D Requested change of name of applicant approved

Owner name: KONINKLIJKE PHILIPS N.V. (NL)

B25G Requested change of headquarter approved

Owner name: KONINKLIJKE PHILIPS N.V. (NL)

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: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2543 DE 01-10-2019 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.