WO2007127842A3 - Communicating with active noise reducing headset - Google Patents

Communicating with active noise reducing headset Download PDF

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Publication number
WO2007127842A3
WO2007127842A3 PCT/US2007/067496 US2007067496W WO2007127842A3 WO 2007127842 A3 WO2007127842 A3 WO 2007127842A3 US 2007067496 W US2007067496 W US 2007067496W WO 2007127842 A3 WO2007127842 A3 WO 2007127842A3
Authority
WO
WIPO (PCT)
Prior art keywords
noise reducing
active noise
communicating
microphone
reducing headset
Prior art date
Application number
PCT/US2007/067496
Other languages
French (fr)
Other versions
WO2007127842A2 (en
Inventor
Amar G Bose
Original Assignee
Bose Corp
Amar G Bose
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 Bose Corp, Amar G Bose filed Critical Bose Corp
Priority to CA002650017A priority Critical patent/CA2650017A1/en
Priority to EP07761345A priority patent/EP2018640A2/en
Priority to JP2009507952A priority patent/JP2009535926A/en
Publication of WO2007127842A2 publication Critical patent/WO2007127842A2/en
Publication of WO2007127842A3 publication Critical patent/WO2007127842A3/en

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
    • G10K11/1781—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 characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
    • G10K11/17821—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 characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the input signals only
    • 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
    • G10K11/17873—General system configurations using a reference signal without an error signal, e.g. pure feedforward
    • 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
    • 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
    • G10K11/17885—General system configurations additionally using a desired external signal, e.g. pass-through audio such as music or speech
    • 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
    • G10K2210/10—Applications
    • G10K2210/108—Communication systems, e.g. where useful sound is kept and noise is cancelled
    • 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
    • G10K2210/10—Applications
    • G10K2210/108—Communication systems, e.g. where useful sound is kept and noise is cancelled
    • G10K2210/1081—Earphones, e.g. for telephones, ear protectors or headsets

Abstract

An active noise reducing headphone has a noise reducing microphone (11) in a noise reducing circuit, an outside microphone, a signal input terminal (24) and an outside microphone (41) output terminal (SlB) and a switch (SI) for selectively coupling the headphone to one of. the signal input (SlA) and microphone output terminals (SlB).
PCT/US2007/067496 2006-04-26 2007-04-26 Communicating with active noise reducing headset WO2007127842A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA002650017A CA2650017A1 (en) 2006-04-26 2007-04-26 Communicating with active noise reducing headset
EP07761345A EP2018640A2 (en) 2006-04-26 2007-04-26 Communicating with active noise reducing headset
JP2009507952A JP2009535926A (en) 2006-04-26 2007-04-26 Communication with active noise reduction headset

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/411,483 US20070253569A1 (en) 2006-04-26 2006-04-26 Communicating with active noise reducing headset
US11/411,483 2006-04-26

Publications (2)

Publication Number Publication Date
WO2007127842A2 WO2007127842A2 (en) 2007-11-08
WO2007127842A3 true WO2007127842A3 (en) 2008-08-07

Family

ID=38648336

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/067496 WO2007127842A2 (en) 2006-04-26 2007-04-26 Communicating with active noise reducing headset

Country Status (6)

Country Link
US (1) US20070253569A1 (en)
EP (1) EP2018640A2 (en)
JP (1) JP2009535926A (en)
CN (1) CN101432798A (en)
CA (1) CA2650017A1 (en)
WO (1) WO2007127842A2 (en)

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US9050212B2 (en) 2012-11-02 2015-06-09 Bose Corporation Binaural telepresence
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CN104581468B (en) * 2013-10-15 2018-04-13 骅讯电子企业股份有限公司 There is earphone and its auto-correction method that active noise eliminates
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US10043534B2 (en) 2013-12-23 2018-08-07 Staton Techiya, Llc Method and device for spectral expansion for an audio signal
US10163453B2 (en) 2014-10-24 2018-12-25 Staton Techiya, Llc Robust voice activity detector system for use with an earphone
CN104616662A (en) * 2015-01-27 2015-05-13 中国科学院理化技术研究所 Active noise reduction method and device
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Also Published As

Publication number Publication date
EP2018640A2 (en) 2009-01-28
US20070253569A1 (en) 2007-11-01
JP2009535926A (en) 2009-10-01
CA2650017A1 (en) 2007-11-08
CN101432798A (en) 2009-05-13
WO2007127842A2 (en) 2007-11-08

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