Converting .mp2 audio to .mp4 format.
Converting MPEG Layer II Compressed Audio Files directly to MPEG-4 Videos (.mp2 to .mp4 conversion) is possible and quite straightforward. It relates to users attempting to encode MP2 audio to MP4 video.
Try using a media editing software or (online) conversion tool, such as the Helium Music Manager or SUPER, which should allow users to import MP2 audio and export it in MP4 format.
Video converting software