FMLarynx
Loud82/100A throaty talking formant synth with a 303-style pattern sequencer: The synth is a saw wave through a three-formant vowel filter with an envelope, an added resonant LPF with cutoff and a ping-pong del
FMLarynx is custom firmware for the M-VAVE FM-1, by @ejtb76. Open source under GPL-3.0, latest release v0.1.1 (October 2026), 1 star on GitHub.
forM-VAVE FM-1·by@ejtb76
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fmlarynx-0.1.1.fwsc· 596 KB· +1 file
GPL-3.0· ejtb76/FMLarynx·fm1.designburgapps.com·downloads come from the creator’s GitHub releases
v0.1.1FMLarynx 0.1.1Latest2 files
FMLarynx 0.1, built and signed on GitHub by the Firmware Hub's shared workflow (the same firmware as 0.1). A throaty talking formant synth with a 303-style pattern sequencer: The synth is a saw wave through a three-formant vowel filter with an envelope, an added resonant LPF with cutoff and a ping-pong delay with drive. The 16-step sequencer has vowels, accent and slide per step, a pattern randomizer and storage for 16 patterns.
Package identity:
FM-1_984· Install: from the Firmware Hub, orfmlarynx-0.1.1.fwscbelow withtools/fm1_install.py.What's in it
- The voice: a saw through three formant filters on a vowel plane you steer with Tongue and Jaw, with Size, Resonance and Voice (male to female/child), and two LFOs.
- 303-style: a resonant cutoff whose resonance follows RES, an envelope (Decay, Env Mod, Accent, Amp Decay), accents and real slides.
- Effects: Drive and a tempo-synced ping-pong Delay.
- Sequencer: 16 steps with slides, accents and a vowel per step; a randomizer (root, scale) on ARP; live transpose on SEQ; 16 stored patterns (SAVE / SEL + a white key); follows MIDI clock.
- Screen: the inside of a throat whose opening follows the vowel, the step strip and the keyboard.
All controls are in the README.
Tested on an FM-1
Installed from the official V15, from Dinghy and from Unholy Union; from FMLarynx, Dinghy and Unholy Union install again. Back to the official firmware or anything else from the Firmware Hub; if it ever gets stuck, hold OCT− while switching on for the USB rescue.
GPL-3.0, built on Dinghy by zvenson and the Felucca / SLOOP platform.
Built from source on GitHub
Check it yourself:
gh attestation verify fmlarynx-0.1.1.fwsc --repo ejtb76/FMLarynx \n --signer-workflow zvenson/fm1-build/.github/workflows/build.ymlShow all 2 filesHide 1 files
Other filesv0.1FMLarynx 0.11 file
The first release of FMLarynx for the M-VAVE FM-1. A throaty talking formant synth with a 303-style pattern sequencer: The synth is a saw wave through a three-formant vowel filter with an envelope, an added resonant LPF with cutoff and a ping-pong delay with drive. The 16-step sequencer has vowels, accent and slide per step, a pattern randomizer and storage for 16 patterns.
Package identity:
FM-1_984· Install: from the Firmware Hub, orfmlarynx-0.1.fwscbelow withtools/fm1_install.py.What's in it
- The voice: a saw through three formant filters on a vowel plane you steer with Tongue and Jaw, with Size, Resonance and Voice (male to female/child), and two LFOs.
- 303-style: a resonant cutoff whose resonance follows RES, an envelope (Decay, Env Mod, Accent, Amp Decay), accents and real slides.
- Effects: Drive and a tempo-synced ping-pong Delay.
- Sequencer: 16 steps with slides, accents and a vowel per step; a randomizer (root, scale) on ARP; live transpose on SEQ; 16 stored patterns (SAVE / SEL + a white key); follows MIDI clock.
- Screen: the inside of a throat whose opening follows the vowel, the step strip and the keyboard.
All controls are in the README.
Tested on an FM-1
Installed from the official V15, from Dinghy and from Unholy Union; from FMLarynx, Dinghy and Unholy Union install again. Back to the official firmware or anything else from the Firmware Hub; if it ever gets stuck, hold OCT− while switching on for the USB rescue.
GPL-3.0, built on Dinghy by zvenson and the Felucca / SLOOP platform.