Speed of spoken Danish

There are varying speeds for Mads and Naja. I am currently listening to them on either 1 or 1 /2 speed. 1 speed seems to be a little slower than usual speech but 1 1/2x seems like it is sped up using technology rather than just speaking faster. What do other users think?
BTW the random icon has never worked for me. I just switch occasionally between the two to mix it up.