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ANC System Using Secondary Path Modeling Based on Driver’s Position in Vehicle

In this paper we propose a study of active noise control systems using the concept of Secondary Path modeling based on driver position in the vehicle. The system obtains estimates of the Secondary Path within range of occupant location and applies them to the ANC system to compensate for change depending on the driver's position. We used the Offline Secondary Path modeling method and FxLMS algorithm in ANC System. Under assumption of detecting a change in position, the secondary path model is applied according to the occupant position and used as initial value of the ANC system. Therefore, ANC performance is better than a system that does not consider existing changing Secondary Path.

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Permalink: http://www.aes.org/e-lib/browse.cfm?elib=20282

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