I experienced the same problem until I realized that some of xine's audio codecs are not installed by default. The missing codecs have been moved to the "xine-extracodecs" package which resides in the "multiverse" repository. I installed this package and - voilĂ - DVB now with sound!
-- No sound in Kaffeine with video https://launchpad.net/bugs/50187 -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs