MPG is a multimedia file format used for video and audio compression. It supports both video and audio streams in a single file container, making it ideal for streaming and video playback. MPG files are widely used in video distribution and are supported by most media players and devices.
AVI is a video format developed by Microsoft that stores both video and audio data in a single file container. It supports multiple codecs and is known for delivering high-quality output, though files can be large. AVI is compatible with most media players and remains a reliable format for local video playback.