In message , Grimly Curmudgeon writes
I use it, but I've just been investigating audio quality issues with some radio programmes being made available by the presenter and a friend of his.
The friend only used a Mac and was providing m4a suffix files. To inspect and listen to these files I used Adobe Audition, so had to convert the files back to wave format. As SUPER was on the machine, I tried that, but conversion results were audibly poor. Reluctantly, I was forced to install iTunes, which gave far superior and quite adequate decoding results on my test files produced after I sent a test CD to be encoded and put up on the website..
It did make me worry about the quality of some of the codecs installed behind the SUPER front-end.