DE602006016617D1 - Adjusting the weighting factors for beamforming for the efficient implementation of broadband beamformers - Google Patents

Adjusting the weighting factors for beamforming for the efficient implementation of broadband beamformers

Info

Publication number
DE602006016617D1
DE602006016617D1 DE200660016617 DE602006016617T DE602006016617D1 DE 602006016617 D1 DE602006016617 D1 DE 602006016617D1 DE 200660016617 DE200660016617 DE 200660016617 DE 602006016617 T DE602006016617 T DE 602006016617T DE 602006016617 D1 DE602006016617 D1 DE 602006016617D1
Authority
DE
Germany
Prior art keywords
beamforming
adjusting
weighting factors
efficient implementation
beamformers
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.)
Active
Application number
DE200660016617
Other languages
German (de)
Inventor
Franck Beaucoup
Michael Tetelbaum
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.)
Mitel Networks Corp
Original Assignee
Mitel Networks Corp
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 Mitel Networks Corp filed Critical Mitel Networks Corp
Publication of DE602006016617D1 publication Critical patent/DE602006016617D1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/03—Synergistic effects of band splitting and sub-band processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/20—Processing of the output signals of the acoustic transducers of an array for obtaining a desired directivity characteristic
    • 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
DE200660016617 2006-10-30 2006-10-30 Adjusting the weighting factors for beamforming for the efficient implementation of broadband beamformers Active DE602006016617D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20060022602 EP1919251B1 (en) 2006-10-30 2006-10-30 Beamforming weights conditioning for efficient implementations of broadband beamformers

Publications (1)

Publication Number Publication Date
DE602006016617D1 true DE602006016617D1 (en) 2010-10-14

Family

ID=37834157

Family Applications (1)

Application Number Title Priority Date Filing Date
DE200660016617 Active DE602006016617D1 (en) 2006-10-30 2006-10-30 Adjusting the weighting factors for beamforming for the efficient implementation of broadband beamformers

Country Status (2)

Country Link
EP (1) EP1919251B1 (en)
DE (1) DE602006016617D1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2493327B (en) 2011-07-05 2018-06-06 Skype Processing audio signals
GB2495278A (en) 2011-09-30 2013-04-10 Skype Processing received signals from a range of receiving angles to reduce interference
GB2495130B (en) 2011-09-30 2018-10-24 Skype Processing audio signals
GB2495129B (en) 2011-09-30 2017-07-19 Skype Processing signals
GB2495131A (en) 2011-09-30 2013-04-03 Skype A mobile device includes a received-signal beamformer that adapts to motion of the mobile device
GB2495472B (en) 2011-09-30 2019-07-03 Skype Processing audio signals
GB2495128B (en) 2011-09-30 2018-04-04 Skype Processing signals
GB2496660B (en) 2011-11-18 2014-06-04 Skype Processing audio signals
GB201120392D0 (en) 2011-11-25 2012-01-11 Skype Ltd Processing signals
GB2497343B (en) 2011-12-08 2014-11-26 Skype Processing audio signals
CN103969630B (en) * 2014-05-14 2016-09-14 哈尔滨工程大学 A kind of robust wideband Beamforming Method constant based on frequency response
CN104133205B (en) * 2014-06-30 2016-10-12 电子科技大学 A kind of tree-like broad-band EDFA device
DE102015203600B4 (en) * 2014-08-22 2021-10-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. FIR filter coefficient calculation for beamforming filters
CN107925818B (en) * 2015-10-15 2020-10-16 华为技术有限公司 Sound processing node for a sound processing node arrangement
EP3185589B1 (en) * 2015-12-22 2024-02-07 Oticon A/s A hearing device comprising a microphone control system
CN112327305B (en) * 2020-11-06 2022-10-04 中国人民解放军海军潜艇学院 Rapid frequency domain broadband MVDR sonar wave beam forming method
CN116301195B (en) * 2023-05-16 2023-09-05 湖南工商大学 Function beam optimization method and device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0321722D0 (en) * 2003-09-16 2003-10-15 Mitel Networks Corp A method for optimal microphone array design under uniform acoustic coupling constraints

Also Published As

Publication number Publication date
EP1919251B1 (en) 2010-09-01
EP1919251A1 (en) 2008-05-07

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