ChristmasIdea Audio M4P to CD-R Convert - Version 1.4.34 ChristmasIdea Audio M4P to CD-R Convert - Apply different filters to the selected part of an audio file (Ban Pass Filter, High Pass Filter, High Shelf Filter, Low Pass Filter, Low Shelf Filter, Notch Filter). ChristmasIdea Audio M4P to CD-R Convert is a visual multifunctional audio files editor for Microsoft Windows.