note 2 mp4 vs mp3

MP4 vs MP3
Comparison between MP4 and MP3

MP4 is a shortened name for MPEG-4 Part 14. Sometimes otherwise known as MPEG -4 AVC, the AVC standing for Advanced Video Coding. As this name suggests, it is a format used for encoding digital video files. The MP4 is a container format, allowing a combination of audio, video, subtitles and still images to be held in the one single file. It also allows for advanced content such as 3D graphics, menus and user interactivity.

MP3, which is an acronym for MPEG-1 Audio Layer 3, is an audio encoding format. It is one of the most popular audio compression and decompression (codec) format today because of its ability to put music into manageable files, thus making downloading over the internet easy. MP3 has had a great impact on the history of music.

Summary:
1. MP4 is both a video and audio format, but mp3 is a audio format.
2. MP4 is a multimedia container which handle audio, video, text and image; while MP3 can only handle audio
3. MP4 is extended from MP2, MP3 is extended from Apple QuickTime MOV
4. Almost all music player can play MP3 files but MP4 should be played in video player like iPad and iPhone.