SHN files are compressed audio files, typically lossless recordings of music. To restore these files to a usable audio format, such as WAV, requires a specialized decompression process. The process aims to reverse the compression algorithm, recreating the original audio data without loss of quality. Several software applications are designed to perform this specific task. For example, one can utilize a dedicated SHN decoder to convert the compressed file into a standard WAV file for playback or further processing.
The ability to decompress these files is vital for accessing and preserving historical or rare audio recordings. Lossless compression ensures that the decompressed file retains the original audio fidelity, making it suitable for archival purposes and critical listening. The practice became popular in the late 1990s and early 2000s with the rise of internet file sharing among music enthusiasts, particularly those involved in live music recording communities. Decompressing these files allows continued access to these recordings on modern devices and software.