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. Other than sports car wanna-bes, modern cars are so quiet that you hear tire/wind noise much more than engines. I have stated the same before.
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