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Old 09-23-2011, 11:21 PM   #1
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Active Sound Design enhances V8 burble inside BMW M5

Filed under: Sedan, Performance, Technology, BMW, Luxury



Here's an interesting tidbit we missed while scouring through BMW's massive press release on the 2012 M5. According to the text, BMW has employed a system it's calling "Active Sound Design" on the new M5, which takes in engine speed and load data from the ECU and plumbs it through the stereo to play a real-time recording of the M5's engine.

Here's BMW's official explanation:
The Active Sound Design technology specially developed for the new BMW M5 takes its cues from the driving situation at any one time to deliver an accurate reproduction of the engine's sound through the car's audio system. The system's digital signal processing exchanges data directly with the engine management, allowing it to reflect the engine's revs and torque, and the car's speed over the road. The result over a smoothly driven journey is a discreet soundtrack in keeping with the harmonious and assured characteristics of the V8 powerplant. A stamp on the accelerator, meanwhile, prompts an immediate audible response to match the instantaneous - and typically M - burst of power from beneath the bonnet.

BMW claims the system provides an "extremely accurate impression of current engine load" and that the sound has been optimized to spread across the entire cabin. Not only that, but when Sport or Sport+ is engaged, the sound inside the M5 is enhanced and perfectly sequenced with induction, engine and exhaust noises. We're not sure if we're geeked or disturbed, but it's certainly trick.Active Sound Design enhances V8 burble inside BMW M5 originally appeared on Autoblog on Fri, 23 Sep 2011 15:28:00 EST. Please see our terms for use of feeds.



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