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Automatic sound source localization in disturbing conditions using acoustic vector sensors

Abstract

A concept, practical realization and applications of a passive acoustic radar to automatic localization and tracking of sound sources in disturbing conditions were presented in the paper. The device consists of the new kind of multichannel miniature sound intensity sensors and a group of digital signal processing algorithms. The sensitivity of the realized acoustic radar was examined in free sound field. Several kinds of sound signals were used, such as: pure tone from 125 to 16000 Hz, one third octave band noise in the same frequency range and impulsive sounds. As results from experiments, in some cases even the small value of the signal to noise ratio was sufficient to localize sound source correctly. A video PTZ (Pan Tilt Zoom) camera can be pointed automatically to the spot the detected acoustical source is localized.

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Category:
Articles
Type:
artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
Published in:
Elektronika Ir Elektrotechnika no. 52, pages 36 - 38,
ISSN: 1392-1215
Language:
Polish
Publication year:
2011
Bibliographic description:
Czyżewski A., Kotus J.: Automatic sound source localization in disturbing conditions using acoustic vector sensors // Elektronika Ir Elektrotechnika. -Vol. 52., nr. Iss. 1 (2011), s.36-38
Verified by:
Gdańsk University of Technology

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