Muted, as sound (7)
I believe the answer is:
muffled
(Other definitions for muffled that I've seen before include "Wrapped for warmth" , "Of sound, deadened or made indistinct" , "Wrapped (up), stifled" , "Silenced; wrapped" .)
I believe the answer is:
muffled
(Other definitions for muffled that I've seen before include "Wrapped for warmth" , "Of sound, deadened or made indistinct" , "Wrapped (up), stifled" , "Silenced; wrapped" .)