Which standard family is used for coding audio-visual information in a digital compressed format, such as video and movies?

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Digital video and audio compression relies on a standardized family that defines how both moving pictures and sound are encoded together for efficient storage and transmission. That family is MPEG, which stands for Moving Picture Experts Group. It covers multiple generations used across media: MPEG-2 for DVD and broadcast formats, MPEG-4 for streaming and modern video applications, and related audio/video coding tools within the same umbrella. MP3, while well-known, is a specific audio format within that broader group and does not itself represent a family that codes video. The other terms refer to image resolution (megapixel) or networking (MPLS) and aren’t about video/audio compression. So MPEG is the standard family used for coding audio-visual information in digital compressed formats.