Tvheadend

I've noticed hickups in the audio of certain radio stations when using the git version of Tvheadend. The stable version plays fine. It's only the Music Choice channels, audio stream is MP2 and my provider is Ziggo in The Netherlands. I'm using Sundtek tuners and I've already did some testing with the support engineer of Sundtek to rule out the tuners.

Tvheadend log stays empty during playback, same for the playing software like XBMC, VLC etc.

OS: Ubuntu 14.04 LTS
Tvheadend v. 3.9.959~g6fab551