Flash Video is the name of a file format used to deliver video over the Internet using Adobe Flash Player. Flash Video files contain video bit streams which are a variant of the H.263 video standard, Flash Player 8 and newer revisions support the playback of On2 TrueMotion VP6 video bit streams, Flash Player 9 Update 3 includes support for H.264 video standard which is even more computationally demanding, but offers significantly better quality/bitrate ratio.