.wav files not playing or truncated on import

We were following the tutorial in the Animate CC 2017 release book to add a .wav file for sound, but the sounds would either not import at all or they would come in extremely truncated [like less than 1/2 second for a 5 min. conversation file]

We've tried several things and different files, but the reaction is always the same. Any ideas/suggestions would be greatly appreciated. Seems like it must be a preference or something because we're following the steps correctly. We've even reserved the files as 16 bit in case that was the issue.

Or, does it have something to do what type of animate file you create before you add the file? I don't think so as we had the issue first when following the tutorial in the book.

Thanx.