What is an MP4 file?
MP4 is one of the most popular video formats that can contain video, audio, and text streams. It is regulated by the Moving Picture Experts Group and is known for its universal compatibility. You can open MP4 files on every leading media player like VLC, Winamp, MPlayer, Real Player, and Windows Media Player.
What is an M4A file?
M4A (stands for MPEG-4) is a popular audio container that follows a lossy compression technique. The M4A format is mostly associated with files that are downloaded from Apple’s iTunes Store. Mostly, M4A files follow Advanced Audio Coding (AAC) codec that can drastically reduce the file size.