This is the "box" that holds the H.264 video stream, along with audio (typically AAC), subtitles, and metadata. Why They Are Used Together
This is the "brain" that compresses and decompressess the raw video data to make it small enough for storage and streaming. 264 mp4
Provides high-quality 1080p or 4K video at significantly lower bitrates and smaller file sizes than older standards. This is the "box" that holds the H
Supported by nearly all streaming protocols like HLS, DASH, and RTSP. Practical Quick Facts along with audio (typically AAC)