artificial driving noise
To prevent accidents and as a safety measure, automotive lighting and electronics company Hella develops artificial driving noise- Acoustic Vehicle Alerting System (AVAS), an artificial driving noise for electric vehicles. As it is claimed to road safety for electric, hybrid and fuel-cell vehicles.
As Hella says in a release, the AVAS gives EVs with noiseless engines a sound similar to a conventional internal combustion engine. This enables the road users to better hear approaching vehicles and therefore warns them of their presence.
in order to protect road users such as pedestrians, cyclists and the visually impaired, new types of electric, hybrid and fuel cell vehicles in the European Union have had to be fitted with an acoustic signal as standard. This sound makes otherwise silent vehicles very audible.
At speeds below 20 kmph, the Hella warning system -artificial driving noise AVAS simulates a noise that rises in intensity when the speed increases. A compact sensor if fitted to the vehicle that makes this sound The AVAS also automatically generates an acoustic signal when reversing. At speeds above 20 kmph, the simulated engine sound is silenced as the sound of the tyres rolling on the road is loud enough, informs the company.[wp-reviews]
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