Sound-Off: Do Electric Vehicles Produce High-Frequency Noise?

Sound-Off: Do Electric Vehicles Produce High-Frequency Noise?

Soft Robot “Walks” on Any Terrain Many structural factors contribute to automotive noise, whether the vehicle is electric or has an internal combustion engine. In a webinar this week titled, “ The Art of NVH Attenuation ,” an attendee asked Dr. Pranab Saha, a consultant and expert in acoustics, noise, and vibration control: “Do electric vehicles (EVs) produce unwanted noises at higher frequency than conventionally powered cars?” Dr. Pranab Saha, Principal Consultant, Kolano and Saha Engineers, Inc. : The EV model spins at high revolutions per minute (RPM), like 10,000 RPM plus. There is very little broadband noise, but […]