There indeed are decoders that do both sound and DCC. I know digitrax makes some. Soundtraxx is probably one of the better manufacturers for sound and DCC. Here's a link to the Tsunami section of their website. Teh Tsunami is a DCC digital sound decoder that also incorporates motor control.
http://www.soundtraxx.com/products/dcc/tsunamidecoders.htm
Elmer.
The above is my opinion, from an active and experienced Model Railroader in N scale and HO since 1961.
(Modeling Freelance, Eastern US, HO scale, in 1962, with NCE DCC for locomotive control and a stand alone LocoNet for block detection and signals.) http://waynes-trains.com/ at home, and N scale at the Club.
gandydancer19 wrote: ... Not sure about their new "Briliance" line.
... Not sure about their new "Briliance" line.
I think the " brilliance" part is just before they blow, they glow!...
Dr. Frankendiesel aka Scott Running BearSpace Mouse for president!15 year veteran fire fighterCollector of Apple //e'sRunning Bear EnterprisesHistory Channel Club life member.beatus homo qui invenit sapientiam