Take the test.

[muwarrior69]

I flunked. I could not tell the difference, but then I'm 68.

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

[wadesworld]

I got 5/6 just using my iPhone's speakers.

[classof2k]

I got 5/6 just using my iPhone's speakers.

Same.  Only missed the last one (Tom's Diner).  That said, I wouldn't have bet money on any of my guesses (fairly low level of confidence even though I apparently could pick up some difference).

[keefe]

I flunked. I could not tell the difference, but then I'm 68.

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

Just one more year, mate!

[wadesworld]

Same.  Only missed the last one (Tom's Diner).  That said, I wouldn't have bet money on any of my guesses (fairly low level of confidence even though I apparently could pick up some difference).

Can't remember which I got wrong, but the one I did I thought the best quality was the worst. A couple I listened to twice. A couple I knew 3 seconds into the last option.