eConcept CD to MP3 Converter for to mp4 - Version 4.39 eConcept's CD to MP3 converter will allow you to transfer your CD's to MP3 or WAV format. You can then put them on your personal MP3 player, listen to them right off your computer, or burn almost 200 MP3's to CD! Options in this software include bit rate selection, WAV or MP3 selection, and the ability to rename tracks before ripping.