FM-1 firmware · v0.2-beta
synthesthetic
SLOOP's four-track groovebox plus thirty music-reactive visualizers, sent to a computer over USB as a webcam for OBS or Zoom.
- Made by
- Michael J. Smalley
- Released
- October 24, 2026
- Built on
- SLOOP
- Install
- On GitHub
- Scan
- Not scanned yet What we checked
- Last checked
- October 31, 2026
What synthesthetic does
- Four tracks give you three synths and a drum machine, with twelve synth engines including six-operator FM that loads DX7 patches.
- You get 153 sounds, 37 drum kits and 27 punch-in effects.
- The step sequencer has parameter locks and song sections, and closes a loop when you press REC on the first beat.
- Thirty-one visual modes are drawn from the sound, with nine palettes, color cycling and a short fade between modes.
- SELECT picks the mode, PRESETS the palette, ALGORITHM the autopilot, and knobs 1 to 4 set AMOUNT, RATE, TRAILS and COLOR.
- Over one USB cable the FM-1 appears as a camera sending 320 by 240 video at 30 frames per second.
- The same cable carries USB-MIDI and a 16-bit stereo audio input at 44.1 kHz.
- Projects, settings, presets, kits and samples survive power-off and updates, and the web editor edits them and makes full backups.
Its modes
- TRACKS
- The main playing page, where you record loops on the white keys and tap HOME to open the visualizer.
- SYSTEM
- A menu section whose ABOUT entry shows the version and confirms the second core is running.
- The visualizer
- Shows the picture on the FM-1 with its mode name and number above and the four knob values below.
- SCREEN
- Sends the FM-1's own display as the video, pixel for pixel, so you can stream a set or a tutorial.
What Les checked
synthesthetic v0.3-betaLast scanned: v0.2-beta, October 31, 2026
What we checked for
- The file is exactly the one its author published
- It's the same file we saw when this release first came out
- It opens cleanly as an FM-1 firmware, nothing damaged
- It doesn't show up on your computer as a keyboard, mouse or other input device
- It doesn't show up as a USB drive or network adapter
- Its text mentions no computer command tools, like PowerShell, Terminal or a download command
What we found
- MIDI and audio, as expected
StatusNot scanned yet
We couldn't tell which file in this release is the FM-1 one, so we didn't scan it.
Les scans every firmware here whose file is public, and shows what it checked and what it found. A scan lowers the risk; it can't rule it out. This firmware is made by its author, not by Les or M-VAVE. Back up first, and install at your own risk. How Les scans firmware
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Free for testers.
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How to use the arpeggiator0:37 · 4 STEPS
How to make a deep bass0:38 · 4 STEPS
How to make an evolving pad0:44 · 4 STEPS
How the Mod Matrix works0:39 · 3 STEPS
How to morph between two versions of a pad0:40 · 4 STEPS
How the two wave knobs on a PolyBrute oscillator work0:42 · 4 STEPS
How to add swing0:34 · 2 STEPS
How to change the bells on the FM-1 AMB-10:36 · 3 STEPS · AMB-1
How to turn the FM-1 AMB-1 into a drone0:37 · 3 STEPS · AMB-1
How to steer the melody on the FM-1 AMB-10:36 · 3 STEPS · AMB-1
How to use the arpeggiator0:41 · 4 STEPS · STOCK
How to play a dominant 7th on the FM-1 with ChoralRoot0:33 · 3 STEPS · CHORALROOT
How to play minor 9th chords with one finger on the FM-1 with ChoralRoot0:37 · 3 STEPS · CHORALROOT
How to play a I-vi-IV-V on the FM-1 with ChoralRoot0:39 · 4 STEPS · CHORALROOT
How to get the Casio CZ sound on the FM-1 with Melodee0:34 · 3 STEPS · MELODEE
How to get a Prophet-5 sound on the FM-1 with Melodee0:40 · 4 STEPS · MELODEE
How to record without quantize on the FM-1 with Melodee0:28 · 2 STEPS · MELODEE
What every FM-1 control doesPick the firmware on yours, then tap any control to see what it does.
How to add glide to one step0:38 · 3 STEPS
How to play a random sequence0:28 · 2 STEPS
Les is independent and not affiliated with M-VAVE or the firmware authors. M-VAVE and FM-1 are trademarks of their owners.