Merry Sound AMR Copying - 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. This Audio Converter provides an easy and completed way to convert MP4 to MP3, M4A to MP3, AAC to MP3, etc, convert audio between popular audio files, such as MP3, CD, CDA, CD-R, DVD-Audio, AAC, AC3, ID3, M3U, M4A, M4P, MP3 ID3 Tag, OGG, RA, WAV, WMA, MP2, APE, VQF, MPC, AMR, Midi, WAVE, and RM etc. All conversion processes such as MP4 to MP3, M4A to MP3 and AAC to MP3 converting are very easy to handle with super fast speed.