Trapp

I have a NEt MD mini DIsk Player it comes with 2 pieces of software one called sonic stage and the other called simple burner. sonic stage will allow me to burn anything from anywhere on my HDD but simple burner which converts files to LP4 format will only allow me to burn from an audio CD only and only convert that format. Is there any other softer which will convert to LP4 and allow me to do this from my HDD?