H.264 Is Magic (2016) sidbala.com

Sid Bala’s 2016 explainer describes how H.264 reduces video file sizes through lossy detail removal, chroma subsampling, motion-compensated frames and lossless entropy coding. As an example, it says a five-second, 60-fps screen recording was 175 KB, compared with about 1.2 GB of uncompressed video.