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VIDEO: MINI Diesel gets V8 Roar Thanks to Active Sound Design System


Diesel engines have a lot of advantages over their petrol counterparts, the most significant being their impressive fuel economy and monstrous torque. But there's one thing they don't have and that's the right sound. However, the BMW Group appears to have a solution for the problem - albeit in prototype form for now.

It's called Active Sound Design or ASD for short and it has been applied on two prototype diesel-powered models, a MINI Clubman and a BMW 635d Coupe.

ASD is an electro-acoustic system that makes use of microphones and the vehicle's sound system to change the engine's sound characteristics. The further enhance the acoustic experience, BMW's engineers also used different sound and vibration deadening materials in the engine bay and under the body of the car.

"To create the desired acoustic patterns, we're refining the natural character of the engine with an electro-acoustic system so that acceleration becomes a special audio experience and provides even more pleasure," says Albert Kaltenhauser, BMW Group Manager for Airborne Sound, Acoustics and Vibrations -yep, there's an app manager for that too.

"The actively designed diesel sound is hard to put into words — it's unmatched. It has a strong character that sounds pleasant and provides for driving dynamics and pleasure across the entire rpm range," commented Dr. Alfred Zeitler, Acoustic Psychologist.

You can check out the system in action in this Autocar video that shows a Mini Clubman diesel prototype capable of producing four-different engine sounds including one that emulates the notes of a classic muscle-car V8 unit.

Source: BMW , Via: Youtube / Autocar



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