Here is an interesting site

We have a lot of people coming in here, claiming that they can hear the difference between bit rates, some people look like they haven’t the slightest clue and others look like the real deal.

Check out the site below. I am not saying you won’t get it but see how you go.

http://www.npr.org/sections/therecord/2015/06/02/411473508/how-well-can-you-hear-audio-quality