Live263.mp4

While H.263 is traditionally found in files, it is also supported within the .mp4 (MPEG-4 Part 14) container.

: The codec often uses a single initial I-frame followed by a sequence of P-frames to compress data as much as possible for real-time delivery. The Role of MP4 and Live Streaming LIVE263.mp4

263 codec or the of live video streaming? While H

The "263" in the filename points to the H.263 standard , a video coding format originally designed by the ITU-T for low-bitrate communication. LIVE263.mp4