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Proceedings Paper

Evaulation method for complex sound environment system under unknown structure and existence of observation noise
Author(s): Hisako Masuike; Akira Ikuta; Mitsuo Ohta
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Paper Abstract

The actual sound environment system exhibits various types of linear and non-linear characteristics, and it often contains an unknown structure. Furthermore, the processes observed in the sound environment inevitably contain observation noise or uncertain factors. In this paper, a method for estimating the specific signal for a sound environment system with unknown structure and observation noise of unknown statistical property is proposed by introducing a system model of the conditional probability type. The effectiveness of the proposed theoretical method is confirmed by applying it to the actual problem of signal estimation of the sound environment.

Paper Details

Date Published: 2 September 2003
PDF: 4 pages
Proc. SPIE 5253, Fifth International Symposium on Instrumentation and Control Technology, (2 September 2003); doi: 10.1117/12.521880
Show Author Affiliations
Hisako Masuike, NTT Data Chyugoku Tecsys (Japan)
Akira Ikuta, Hiroshima Prefectural Women's Univ. (Japan)
Mitsuo Ohta, Hiroshima Univ. (Japan)


Published in SPIE Proceedings Vol. 5253:
Fifth International Symposium on Instrumentation and Control Technology
Guangjun Zhang; Huijie Zhao; Zhongyu Wang, Editor(s)

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