[ainarssems]

Originally Posted by daviesbike

i have driven the D4 not the S8 but an A8 non the less, and i must say i really thought the D3 is refined untill i went out in the D4, i dont know how they have done it but its silent and i mean there is just no road noise no tyre noise no engine note nothing, and it was like a magic carpet ride, not sure about the chunky tyres that were on it though but maybe thats what helped towards the ride comforts

Active noise cancellation. Microphones monitor incoming noise and speakers put out sound that cancels out noise. Kind of like noise reduction headphones just on a bigger scale.