Bliss CDA M4A VQF to AAC Manager - Version 1.4.23 Bliss CDA M4A VQF to AAC Manager - Use it, or respective buttons, to access the following functions: copy, paste, cut, delete, select all, unselect, undo, volume & balance change and fade in/out. MP3 Frame Editor - What can this program do? It lets you copy, paste, cut & delete blocks inside mp3 file. It also lets you adjust VOLUME & BALANCE of the whole file or selected parts.