20048mp4

: While the MP4 format was first introduced in 2001, it was generalized into the ISO Base Media File format (ISO/IEC 14496-12:2004) in 2004. This established a general structure for time-based media files that is still the backbone of modern video streaming.

: It acts as a "wrapper" that can hold various types of data—including multiple audio tracks and chapter information—encoded with different codecs. 20048mp4

: The "2004" version of the standard helped solidify MP4 as a web-friendly format. It uses advanced compression algorithms to maintain high image and sound quality in relatively small file sizes, making it ideal for streaming and sharing online. Why This Format Dominates Today : While the MP4 format was first introduced