3gp The 3GP file format and its associated filename extension .3gp is an audio, video, and text container developed by the 3rd generation partnership project. The target market for the 3gp file format is 3G enabled UMTS mobile phones through associated UMTS multimedia services. Though mobile devices operating on high speed networks are the intended hardware associated with playing .3gp files, many PC codec packs exist which grant compatibility for .3gp playback. The format has a basic profile in which files of this format do not reference any external media sources and support for audio, video, and text is limited to a single track.
dv .DV is a file extension that provides for digital video cameras. This file extension is utilized by home and professional camcorders alike. It is the standard file format that prevails over other alternative video file formats. No other file format can stand up to the quality and utility of the .DV file extension and its other related file extensions, .DVCAM and .DVCPRO.