I am using Tata Sky HD+ with 3300 and I get DD sound when I am viewing HD channels.
There is a significant difference between the sound of SD channels and HD channels; since SD is stereo and HD is true 5.1 /7.1 audio.
My connections are as follows:
TSHD+ <----HDMI----> 3300
Sony BluRay Player <-----HDMI----> 3300
3300 (HDMI Out) <----------HDMI------> (HDMI In) Sony Bravia
When I installed the system 2 weeks back; I thought I would need a coax for sound but I tried with single HDMI cable and it worked.
can you see dolby displayed in onkyo in hd channels