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Engine Sound
Enhancement
(ESE)

Adopt the in-car speaker to make an active sound (which is synchronized with the original engine sound in the car), and add up with the original engine sound to achieve the effect of modifying the sound characteristics of the original engine.

Enhanced Engine Sound

The target is not just to make the car fun to ride in—it can make a four-cylinder engine sound like six-cylinder—but also optimize ICE engine sound quality, and as links between driver and the engine by helping them evaluate engine speed. Electric vehicles don't have engine, drivers can't assess speed based on engine sound. Adopting ESE technique can provide the driver the virtual engine sound based on vehicle speed.

4-cylinder

6-cylinder

Customized Engine
Sound System

CESS is a technique for creating a virtual engine sound based on car speed, it’s especially applicable for electric vehicles, to produce virtual engine sound so pedestrians are able to aware oncoming electric vehicles. Car OEMs can customize the character and tone of the engine sound to create a brand-unique sound identity.

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