I have never tried to use the internal burner to Cakewalk.
I export them to a desk top folder.... trim them as I mentioned, and then import them to my 3rd party burner. It has never given me any sort of problem with the wave settings.
Burning as MP3 is OK.... but not really the desired way to burn music.
Let us know how this progresses as you experiment to see what it takes to burn a wave.
I would grab a wave from another source and see if that burns OK.... search your computer for WAV files.... there are lots of them on every computer for various purposes. See if you can burn them and if so, compare the properties of those to your WAV files.