Split or join mp3 and mp3pro files. Can join files of different sample rates. ex: Join an mp3 file of (CD quality 128kbps) to an mp3 file of (FM Radio quality 64kbps) with no loss in quality and no gain in Taille. You can also join mp3 with mp3pro files, again no loss in quality or gain in Taille. Gives you the option of splitting files into a certain number of sections or you can split them by a certian Taille. Join your files into on big file or gives you the option to create a new output file for every n files joined.Comes with integrated winhelp files.