1) Noise 
<psychology> Morbid fear of sounds. ... Origin: G. Akoustikos, acoustic, + phobos, fear ... (05 Mar 2000) ... 
Type: Term Pronunciation: ă-kūs′ti-kō-fō′bē-ă Definitions: 1. Morbid fear of sounds.
Acousticophobia is the fear of sound.
acousticophobia, akousticophobia An abnormal fear of hearing noises in general or specific noises or sounds. This phobia goes beyond just being startled by sudden loud noises. Some people fear specific noises, such as whistling, balloons popping, or sonic booms.