Estimation theory and experiment using digital filter for reverberation curve with unknown initial state in room contaminated by background noise

By Ohta Mitsuo   Ogawa Hitoshi   Hatakeyama Kazutatsu  

INTER-NOISE and NOISE-CON Congress and Conference Proceedings, Vol. 1994, Iss. 1, 1994-05 ,pp. : 811-816

Institute of Noise Control Engineering

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A state estimation method by use of a hierarchical type digital filter for the energy acoustic system contaminated by the background noise

By Ikuta Akira   Ohta Mitsuo   Hatakeyama Kazutatsu  

INTER-NOISE and NOISE-CON Congress and Conference Proceedings, Vol. 1988, Iss. 5, 1988-08 ,pp. : 51-54

Institute of Noise Control Engineering

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A state estimation method based on the wide-sense digital filter employing higher order correlation information for the reverberation curve in the room contaminated by a background noise

By Ogawa Hitsohi   Ohta Mitsuo   Hatakeyama Kazutatsu  

INTER-NOISE and NOISE-CON Congress and Conference Proceedings, Vol. 1994, Iss. 2, 1994-09 ,pp. : 2083-2086

Institute of Noise Control Engineering

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A statistical estimation of spectral noise level distribution form based on partially observed data under the existence of background noise

By Yamaguchi Shizuma   Ohta Mitsuo  

INTER-NOISE and NOISE-CON Congress and Conference Proceedings, Vol. 1984, Iss. 1, 1984-12 ,pp. : 1375-1378

Institute of Noise Control Engineering

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On-line state estimation algorithms for road traffic noise indexes under the contamination of background noise

By Hiromitsu Seijiro   Ohta Mitsuo  

INTER-NOISE and NOISE-CON Congress and Conference Proceedings, Vol. 1994, Iss. 2, 1994-09 ,pp. : 2079-2082

Institute of Noise Control Engineering

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