Lotus and Harmon partner up to add sound to hybrids
Tony Karrer Delicious EVdriven
APRIL 19, 2009
In the case of RNC, the system reduces broadband noise levels at frequencies below 250Hz whereas EOC tackles harmonic frequencies generated by ignition events in the engine. Both of these look to reduce noise levels in the cabin, particularly at frequencies that are audibly unpleasant. New York 2009: The Scion iQ goes Big Wheels!
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