Xvid (formerly 'XviD') is a video codec library following the MPEG-4 video coding standard, specifically MPEG-4 Part 2 Advanced Simple Profile (ASP). It uses ASP features such as b-frames, global and quarter pixel motion compensation, lumi masking, trellis quantization, and H.263, MPEG and custom quantization matrices.
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.