Codec is a short word for ‘coding’ and ‘decoding’. Once you are Chicken America 4th of July shirt editing, you are required to choose a codec that encodes the footage with the maximum possible compression. One of the most popular codecs is H.264 that produces MP4 files. H.264 also has its upgraded version called H.265 that offers a better compression ratio, thus reducing the file size even further. of 20Mbps processes 20971520 bits in each second during the playback.