GIF is a format for the exchange of images. It is a popular format graphics. Capable of storing compressed data without loss of quality in the format of not more than 256 colors. GIF format was developed in 1987 (GIF87a) by company CompuServe for transferring raster images over networks. In 1989, the format has been modified (GIF89a), have been added support transparency and animation.
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.