gm-procedural — listening pages

Procedural General MIDI bank: every wave of the Windows gm.dls (and of the gmplus soundfont) rebuilt from a small set of synthesis parameters. These pages put the original next to the generated sound. Code, algorithms and docs: github.com/unisynth/gm-procedural.

Songs and sounds

• Song selector: 70 GM songs; gm.dls recorded, gmplus, gen-gm and gen-plus live in the browser
• All 495 sounds: every wave as a note, four banks, gmfit scores

Fitting rounds

• Pilot A/B — kick, snare, hat, bass, strings, piano (round 4)
• GM drums, pass 4
• Named drums — hearing model
• Score vs hearing — where the score and the ear model disagree
• Cymbal loops
• Karplus-Strong attacks
• Stream and vibraslap
• Water rings

Sources: MIDI — John Novak, Grand MS-DOS gaming General MIDI showdown (archive.org) and The Very Best of GUS MIDI (archive.org BESTMID6). Banks — Windows gm.dls (© Microsoft / Roland, read from a local copy, never published) and gmplus (fan soundfont from Roland Sound Canvas samples, Release 1, by Distortion Dog). All audio is rendered by gm-procedural, for comparison only.