BMW’s sound engineers recently used a 320d model with Active Sound Design to demonstrate the electronic noise cancellation that they’ve been hard at work on. Like all other automotive electronic technologies, the calibration of a noise cancellation system is crucial.
You may have heard of BMW’s Active Sound Design related to reports of a Mini prototype that was shown in 2009. The engineers made a four-cylinder engine sound like a V8 engine or a straight-six engine. In a release, Albert Kaltenhauser, Manager for Airborne Sound, Acoustics and Vibrations, said that to have the preferred acoustic patterns, they refined the natural character of the engine with an electro-acoustic system, making acceleration a special audio experience.
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