Oh dear! it was that I was missing a codec package (libxine-extracodecs) !!!!!!!!!!!!! This is so bad that I must install additional codecs to watch dvb-t :(
-- [EDGY] terratec cinergy t2: no audio! https://launchpad.net/bugs/61290 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs