Just read the manual and found the answer. Just like you explained. It can be played on all 6 speakers but as pseudo, not real 5.1.
Thanks Kenton & Yamitime
I have 5.1 home theatre system with active sub-woofer and a Sony STR DE585 surround receiver. The sound source is cable TV which emits stereo sound only and the TV itself has DTS 5.1 surround system. I think that DTS is useless if your source is only stereo.
Therefore, my question: Is there a...