Comming from a non-nerd as I don't know ANYTHING about this stuff. Here's goes.. - I happen to have some .M4a files that I uploaded onto my computer of a Beatles DVD (because I wanted to make a DTS CD backup without the picture) - I used iTunes to convert (decode) the M4a files to WAV files. - These files played on my computer, but there was a huge hissing sound. - I burned two copies onto CDs, one through iTunes itself and Roxio (usually works very well) - Put it into the DVD player and it read - Turned on the reciever and the volume... NOTHING! - Put the other CD in the reciever.. and... NOTHING! - I mean, the DVD player was working and reading the disc, but there was NO SOUND AT ALL. Here's my system: http://www.amazon.com/exec/obidos/ASIN/B000H84L3W/dealtime-ce-feed-20/ref=nosim CLICK for Product Official Site On the description, it states: "DTS, Dolby Digital and Pro Logic II surround sound A built-in DTS and Dolby Digital decoder eliminates the need for an external decoder by processing all six channels of audio information to provide a surround sound experience and an astoundingly natural sense of ambience and dynamic realism. Dolby Pro Logic II provides five channels of surround processing from any stereo source." I don't get it.... Btw, this is my first attempt at burning a DTS audio CD. However, I've played DVD movies with DTS/5.1 Dolby before and it has always worked on this system. Any tips on how? why? =\ I'm a bit annoyed.. Thanks in advance!