What is the best way to convert .shn audio files to .mp3 format?
Converting Shortened Compressed Audio Files directly to MP3 Audio Files (.shn to .mp3 conversion) is certainly possible and straightforward, even though it is not a very common request.
Try using an audio editing software or (online) conversion tool, such as WavePad or Switch Audio File Converter. These programs allow users to import SHN audio files and export them in MP3 format.