Couldn't wait until the end of the chapter to come here comment about this.
It's strange seeing the girl talking asking about the sound on the movie while talking normally with the other girl without showing any signs of having any difficulty in hearing her words.
Also, shouldn't she heard AND feel the "loud bang"?
But more importantly, she could watch movies much better at home.
Disks and Streaming offers a lot of subtitles, and they frequently include subtitles that also tell the most important sound effects at the moment.