What does "MPG" stand for in video file formats?

The term "MPG" stands for Motion Pictures Expert Group. This group is responsible for developing standards for video and audio compression, which are critical for various digital media formats. The MPEG formats, including MPEG-1, MPEG-2, and MPEG-4, are widely used for encoding video files, providing a balance between quality and file size for efficient storage and streaming. These standards enable interoperability across different devices and platforms while maintaining high-quality playback, making them essential in the world of digital media.

Other options do not accurately reflect the established meaning of "MPG" in the context of video file formats. While various groups and terms exist related to media, none carry the same widespread recognition or relevance as the Motion Pictures Expert Group in this field.