Is anot a very popular media container format designed for mobile phones; works with standard CDMA2000. The main difference from other media containers, 3GP, is the lack of support for AAC format audio tracks.
Is a media format designed for creating good quality video with resolution of 352x240 on 1.5 Mb/s flow. Now the standard MPEG-1, which belongs to the format supports a resolution of 4K. Resolution mpg is different from the rest of the MPG format family due to its maximum compatibility: files can be run on any PC or DVD-player.