B 1 Mp4 -

They allow for much smaller file sizes without a massive drop in quality. Most modern MP4s use these to ensure your Netflix stream or YouTube upload doesn't eat your entire data plan. 2. The B1 Archive Format

It utilizes the , similar to what you’d find in 7-Zip, to bundle files into a single volume. B 1 mp4

Unlike I-frames (which are full images) or P-frames (which look forward), B-frames use data from both the past and future frames to compress video more efficiently. They allow for much smaller file sizes without