MP4
MP4 (MPEG-4 Part 14) is a digital multimedia container format standardized by the MPEG group, commonly used to store video, audio, subtitles, and images. It is based on the ISO Base Media File Format (ISOBMFF) and supports advanced features like streaming, metadata, and DRM. Widely used for online video distribution, mobile devices, and digital cameras due to its compatibility and efficient compression.
Developers should learn MP4 when working with video processing, streaming applications, or multimedia software, as it is the industry standard for web and mobile video. It is essential for tasks like video encoding/decoding, creating adaptive streaming formats (e.g., DASH, HLS), and handling metadata in media files. Use cases include video editing tools, media players, and content delivery networks.