Is it possible to convert .mts videos to .mp3 format?
Converting AVCHD Videos directly to MP3 Audio Files (.mts to .mp3 conversion) is certainly possible and should be quite straightforward. It relates to users attempting to extract the audio track (MP3) from an MTS video.
Use one of numerous media editing programs or (online) conversion tools, such as Free Studio or MediaCoder, which allow users to import MTS videos and export their extracted audio track in MP3 format.