.IMF/.WLF - id Software Music Format
.DRO - DOSBox Raw OPL format
.RAW - Rdos Raw OPL capture format
- The DOSBOx (v1 and v2) and Rdos formats contains "raw" recordings of the writes to the registers of the Adlib synth / Yamaha OPL2/dual OPL2/OPL3 chip. They are mostly used to capture songs from old DOS games.
- The idSoftware music format is of a similar nature, but were used for the music in the companys games. There are also many user created songs in these formats. Note that the song data can be stored with an update rate of either 700Hz or 560Hz but there's no way to tell which is used in a song from the file contents, therefore please use an extension of .WLF for 700 Hz, and .IMF for 560 Hz.
- The captured register writes will be converted into a MIDI song + FM instruments.
- Song, FM-synthesis instruments.