# spmidi Convert between MIDI files and SP404sx binary pattern files - Developed for the SP404sx (not OG or A) with the latest Roland firmware, i.e. v1.07 - Patterns are in `ROLAND/SP-404SX/PTN` and simply numbered incrementally by bank and pad, i.e. bank A pattern 1 is PTN00001.BIN, and bank D pattern 2 is PTN00038.BIN, etc.