TWI563857B - A microphone apparatus and method - Google Patents

A microphone apparatus and method

Info

Publication number
TWI563857B
TWI563857B TW100130743A TW100130743A TWI563857B TW I563857 B TWI563857 B TW I563857B TW 100130743 A TW100130743 A TW 100130743A TW 100130743 A TW100130743 A TW 100130743A TW I563857 B TWI563857 B TW I563857B
Authority
TW
Taiwan
Prior art keywords
microphone apparatus
microphone
Prior art date
Application number
TW100130743A
Other languages
English (en)
Other versions
TW201216729A (en
Inventor
Mikko Veli Aimo Suvanto
Original Assignee
Nokia Technologies Oy
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 Nokia Technologies Oy filed Critical Nokia Technologies Oy
Publication of TW201216729A publication Critical patent/TW201216729A/zh
Application granted granted Critical
Publication of TWI563857B publication Critical patent/TWI563857B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • 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
    • G10K2210/129—Vibration, e.g. instead of, or in addition to, acoustic noise
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/003—Mems transducers or their use
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2410/00—Microphones
    • H04R2410/05—Noise reduction with a separate noise microphone
TW100130743A 2010-08-27 2011-08-26 A microphone apparatus and method TWI563857B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2010/053862 WO2012025794A1 (en) 2010-08-27 2010-08-27 A microphone apparatus and method for removing unwanted sounds

Publications (2)

Publication Number Publication Date
TW201216729A TW201216729A (en) 2012-04-16
TWI563857B true TWI563857B (en) 2016-12-21

Family

ID=45722962

Family Applications (1)

Application Number Title Priority Date Filing Date
TW100130743A TWI563857B (en) 2010-08-27 2011-08-26 A microphone apparatus and method

Country Status (6)

Country Link
US (1) US9549252B2 (zh)
EP (1) EP2609757A4 (zh)
KR (1) KR101492751B1 (zh)
CN (1) CN103155032B (zh)
TW (1) TWI563857B (zh)
WO (1) WO2012025794A1 (zh)

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Also Published As

Publication number Publication date
US9549252B2 (en) 2017-01-17
EP2609757A4 (en) 2016-04-06
TW201216729A (en) 2012-04-16
KR20130047763A (ko) 2013-05-08
WO2012025794A1 (en) 2012-03-01
CN103155032B (zh) 2016-10-19
US20130208923A1 (en) 2013-08-15
CN103155032A (zh) 2013-06-12
KR101492751B1 (ko) 2015-02-11
EP2609757A1 (en) 2013-07-03

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