What's the diseas where you taste color?

Question

or certain things that are generally noiseless has a sound to a person? It's the same thing, and Emily Dickinson allegedly had it.

Answer 1

Various forms of delusion come to mind, and that's regardless of who- or whatever Emily Dickinson might be.

Answer 2

Synesthesia.  I wouldn't call it a disease unless it annoys the person who has it.