There are two different video file formats known as Flash Video: FLV and F4V. The audio and video data within FLV files are encoded in the same manner as they are within SWF files. The F4V file format is based on the ISO base media file formatand is starting with Flash Player 9 update 3.
Is a protocol for working with AV. This media container format encapsulates elementary streams. It is used to broadcast HDTV. Exists access to errors when the signal is weak, thereby ensuring better synchronization of the stream. The audio and video data are transmitted in DVB and ATSC formats.