i was wondering the BDP3200 supports Dolby digital + ?

i have downloaded the clips of dolby here
http://www.dolby.com/us/en/consumer/...-download.html

and do not sounds at all i downloaded the mp4 large and do not have sound at all, do not sounds on my television, directly connected by HDMI and do not sound also in my receiver also connected by HDMI the blu ray

this model that i have supports Dolby Digital + 7.1?

best regards
Francisco