The way you sound affects your mood

[Dexter]

http://www.eurekalert.org/pub_releases/2016-01/lu-twy011116.php

Researchers have created a digital audio platform that can modify the emotional tone of people's voices while they are talking, to make them sound happier, sadder or more fearful. New results show that while listening to their altered voices, participants' emotional state change in accordance with the new emotion.