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Fully steerable collocated first-order cardioid microphone array acoustic beam-pattern
University of Nigeria, Nsukka, Nigeria.ORCID iD: 0000-0002-7213-7626
Federal University of Agriculture, Makurdi, Benue, Nigeria.
School of Engineering and Computer Science Victoria University of Wellington, New Zealand.
2020 (English)In: Przeglad Elektrotechniczny, ISSN 0033-2097, E-ISSN 2449-9544, Vol. 96, no 12, p. 76-80Article in journal (Refereed) Published
Abstract [en]

In the paper, a data-independent beamforming method capable of fully steering the mainlobe of the first-order cardioid triad is presented.This proposed method exploits the multi-pattern operating mode of the dual-diaphragm microphones design of some first-order cardioid microphonesto extend the polar-azimuth space in to which the mainlobe of such cardioid triad to the full sphere. The beamwidth and directivity of the proposedcollocated array are derived and analyzed.

Abstract [pl]

W artykule zaprezentowano metod ˛e formowania wi ˛azki akustycznej zdolnej do kierowania głównego listka triady w kształcie serca.Otrzymanie takiej charakterystyki umozliwia mikrofon z dwoma diafragmami. Anali ˙ zowano szerokos´c i kierunkowo ´ s´c wi ˛ ´ azki. (W pełni sterowalneformowanie wi ˛azki akustycznej triady w kształcie serca)

Place, publisher, year, edition, pages
SIGMA-NOT , 2020. Vol. 96, no 12, p. 76-80
Keywords [en]
cardioid microphones, acoustic beam focusing, acoustic beam steering, acoustic signal processing, array signal processing, directional sensors
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:miun:diva-44277DOI: 10.15199/48.2020.12.14Scopus ID: 2-s2.0-85096938898OAI: oai:DiVA.org:miun-44277DiVA, id: diva2:1636616
Available from: 2022-02-10 Created: 2022-02-10 Last updated: 2022-02-10Bibliographically approved

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Publisher's full textScopushttp://pe.org.pl/articles/2020/12/14.pdf

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Nnonyelu, Chibuzo Joseph

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