adding transcoding and XBox helper method to the audio part of the Tracker backend
adding transcoding and XBox helper method to the audio part of the Tracker backend

unintended/Cohen,ismaelgaudioso/Coherence,furbrain/Coherence,opendreambox/python-coherence,coherence-project/Coherence,furbrain/Coherence,opendreambox/python-coherence,sreichholf/python-coherence,unintended/Cohen,ismaelgaudioso/Coherence,sreichholf/python-coherence,coherence-project/Coherence