So you don't have SPDIF output?
If this is true than the behaviour depends on the codec, it's settings and the hardware.
Have no chance to influence this
I used 13273 (MP) / 13259 (Server) from today morning.Hugo:
Recordings in .ts format were broken often regarding audio streams in the various SVNs. At the moment it works. So if would try replaying a recording from a recent SVN?