MTS is a filename extension for an Advanced Video Coding High Definition (AVCHD) video file. It contains a .mts filename extension and contains a HD MPEG video captured using certaing camcorder models like JVC, Sony, Canon, and Sanyo. It can support up to 1080i x 720p HD videos and can open on multiple software.
Roxio Creator NXT Pro 7 Blender VLC Media Player Apple Final Cut Pro X
F4V is a filename extension for Flash Video (FLV) container format. It supports H.264 (MPEG-4 AVC) video codec compression standard, which is known to offer significant compression. FLV videos come in multiple formats apart from F4V, including F4P, F4A, and F4B. Also, it opens on Adobe Flash Player 6 or later and Windows Media Player.
Windows Media Player Adobe Flash Player 6 or later Media Monkey