Hear and Now (2007)
Alien 1 points 2 years ago*. (Contains Spoilers)

That was heartbreaking. The fact is, there is no way for the audiologist to know
what they are hearing or if they are hearing sounds as they are meant to be.
They don’t have enough time to learn. It would be too exhausting, anyway.

The important question is…why did they wait so long?