DE10195945T1 - Straightening processing for a system with several microphones - Google Patents

Straightening processing for a system with several microphones

Info

Publication number
DE10195945T1
DE10195945T1 DE10195945T DE10195945T DE10195945T1 DE 10195945 T1 DE10195945 T1 DE 10195945T1 DE 10195945 T DE10195945 T DE 10195945T DE 10195945 T DE10195945 T DE 10195945T DE 10195945 T1 DE10195945 T1 DE 10195945T1
Authority
DE
Germany
Prior art keywords
straightening processing
several microphones
microphones
straightening
several
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
DE10195945T
Other languages
German (de)
Inventor
Zezhang Hou
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Audia Technology Inc Sunnyvale Calif Us
Original Assignee
Audia Tech Inc
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
Priority claimed from US09/788,271 external-priority patent/US20010028718A1/en
Application filed by Audia Tech Inc filed Critical Audia Tech Inc
Publication of DE10195945T1 publication Critical patent/DE10195945T1/en
Withdrawn legal-status Critical Current

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
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/40—Arrangements for obtaining a desired directivity characteristic
    • H04R25/407—Circuits for combining signals of a plurality of transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Neurosurgery (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
DE10195945T 2000-03-20 2001-03-20 Straightening processing for a system with several microphones Withdrawn DE10195945T1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US19057900P 2000-03-20 2000-03-20
US09/788,271 US20010028718A1 (en) 2000-02-17 2001-02-16 Null adaptation in multi-microphone directional system
PCT/US2001/009167 WO2001072085A2 (en) 2000-03-20 2001-03-20 Directional processing for multi-microphone system

Publications (1)

Publication Number Publication Date
DE10195945T1 true DE10195945T1 (en) 2003-04-30

Family

ID=26886231

Family Applications (1)

Application Number Title Priority Date Filing Date
DE10195945T Withdrawn DE10195945T1 (en) 2000-03-20 2001-03-20 Straightening processing for a system with several microphones

Country Status (5)

Country Link
JP (1) JP2003528508A (en)
CN (1) CN1426667A (en)
AU (1) AU2001247677A1 (en)
DE (1) DE10195945T1 (en)
WO (1) WO2001072085A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8121309B2 (en) 2005-10-04 2012-02-21 Siemens Audiologische Technik Gmbh Adapting a directional microphone signal to long-lasting influences

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2370176A (en) * 2000-08-10 2002-06-19 James Gregory Stanier A simple microphone unit for the vertical localisation and enhancement of live sounds
US7274794B1 (en) 2001-08-10 2007-09-25 Sonic Innovations, Inc. Sound processing system including forward filter that exhibits arbitrary directivity and gradient response in single wave sound environment
ES2296861T3 (en) * 2001-10-17 2008-05-01 Siemens Audiologische Technik Gmbh PROCEDURE TO OPERATE A HEARING AND HEARING.
DE10327889B3 (en) * 2003-06-20 2004-09-16 Siemens Audiologische Technik Gmbh Adjusting hearing aid with microphone system with variable directional characteristic involves adjusting directional characteristic depending on acoustic input signal frequency and hearing threshold
AU2003277877B2 (en) * 2003-09-19 2006-11-27 Widex A/S A method for controlling the directionality of the sound receiving characteristic of a hearing aid and a signal processing apparatus for a hearing aid with a controllable directional characteristic
WO2007099908A1 (en) * 2006-02-27 2007-09-07 Matsushita Electric Industrial Co., Ltd. Wearable terminal, mobile imaging sound collecting device, and device, method, and program for implementing them
DE602007003605D1 (en) 2006-06-23 2010-01-14 Gn Resound As AUDIO INSTRUMENT WITH ADAPTIVE SIGNAL SIGNAL PROCESSING
DE102008064430B4 (en) * 2008-12-22 2012-06-21 Siemens Medical Instruments Pte. Ltd. Hearing device with automatic algorithm switching
WO2010146857A1 (en) * 2009-06-17 2010-12-23 パナソニック株式会社 Hearing aid apparatus
EP3358856B1 (en) * 2015-09-30 2022-04-06 Sony Group Corporation Signal processing device, signal processing method and program
US9894434B2 (en) 2015-12-04 2018-02-13 Sennheiser Electronic Gmbh & Co. Kg Conference system with a microphone array system and a method of speech acquisition in a conference system
US11064291B2 (en) 2015-12-04 2021-07-13 Sennheiser Electronic Gmbh & Co. Kg Microphone array system
CN107271963A (en) * 2017-06-22 2017-10-20 广东美的制冷设备有限公司 The method and apparatus and air conditioner of auditory localization

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH071958B2 (en) * 1986-06-20 1995-01-11 松下電器産業株式会社 Sound pickup device
JP2874679B2 (en) * 1997-01-29 1999-03-24 日本電気株式会社 Noise elimination method and apparatus
US6430295B1 (en) * 1997-07-11 2002-08-06 Telefonaktiebolaget Lm Ericsson (Publ) Methods and apparatus for measuring signal level and delay at multiple sensors
JPH11220796A (en) * 1998-01-29 1999-08-10 Ryuichi Fujita Directional reception system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8121309B2 (en) 2005-10-04 2012-02-21 Siemens Audiologische Technik Gmbh Adapting a directional microphone signal to long-lasting influences

Also Published As

Publication number Publication date
JP2003528508A (en) 2003-09-24
WO2001072085A3 (en) 2003-01-09
CN1426667A (en) 2003-06-25
AU2001247677A1 (en) 2001-10-03
WO2001072085A2 (en) 2001-09-27

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: AUDIA TECHNOLOGY, INC., SUNNYVALE, CALIF., US

8130 Withdrawal