Abstract
A system for development of sporty interior sound during acceleration was achieved that supports evaluation of interior sound quality, definition of interior sound target and definition of intake noise target. A technique defining an intake noise target was developed with a method, which simplifies the interior sound by separating into three components: a component caused by intake orifice noise, a component caused by exhaust noise and the background noise. An intake noise target is calculated with an interior sound target, a background noise of an original interior sound and a transfer function from an intake orifice to the interior.
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