Exa Corp.

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J. D. Power and Associates’ initial quality surveys indicate that wind noise is consistently the number one consumer complaint, directly impacting consumer brand loyalty and vehicle sales. Reducing interior noise levels to achieve occupant comfort is therefore at the forefront of acoustic engineers’ concerns. A significant amount of engineering time and product cost is spent on acoustic testing and fixes to achieve the interior noise targets required for highly rated, quality competitive products. In the past few years, great strides have been made in reducing powertrain, road, and tire noise leaving wind noise as the dominant noise source during high speed travel, and thus an increasingly important area for ground transportation acoustic engineers to address. PowerACOUSTICS enables interior wind noise analysis of exterior shape changes, glass properties and interior acoustic package modifications to minimize sound at an occupant’s ear.

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