It speaks more to the diversity and high quality of the work from which to choose, and there's never a dearth of aural accomplishments in a town that cranks out bombastic blockbusters and sonic showcases with such exhausting regularity.
It's worth noting that the Academy at large will sometimes throw a bone to the 'loud' action movies in this category over Best Picture nominees (Skyfall,
The Dark Knight, and The Bourne Ultimatum are recent examples), although if they can have their cake and eat it too, they will; Best Picture nominees that are also 'loud' movies -- such as Gravity, Zero Dark Thirty, Inception or The Hurt Locker -- are hard to beat.
