I used iTunes to repeat songs off the VBS CD, which encoded them in AAC format (M4A container). MPEG-4 Half 14 or MP4 is a digital multimedia container format mostly used to retailer video and audio, however will also be used to retailer d…

M4A stands for MPEG 4 Audio and is a filename extension used to symbolize audio recordsdata. Other: Sure audio files, especiallym4a files purchased from iTunes may be DRM-protected. It is a form of copyright protection and as such, you wil…