Fune Press Kit - HÜGELTON INSTRUMENTS

About Hügelton Instruments

Hügelton Instruments is an independent electronic instrument company and design lab founded by Leo Kuroshita in Kobe, Japan. We design Eurorack modules, audio plugins, and experimental music tools inspired by vintage electronics and modern technology.

Product Description

Fune runs on M-VAVE keyboards (FM-1, SMK-37) and the M5Stack Cardputer Zero today, with desktop, web and handhelds planned. The same engines, sequencer and pages are on every device.

Status: 0.0.1 Alpha, in development. Song and preset files may still change between builds.

To install on an FM-1 or SMK-37, use the web installer in Chrome or Edge on a computer, over USB.

Platforms

Platform	Status
M-VAVE FM-1	Beta
M-VAVE SMK-37 Pro / Elite	Alpha
macOS, Linux	Planned
Web (desktop, tablet)	Planned
M5Stack Cardputer Zero	Alpha. Download it from the GitHub release
H700 handhelds (PortMaster)	Planned

Features

Multi-platform: one codebase across devices: keyboards and the Cardputer Zero today, with computers, the web and handhelds planned; each device gets its own layout
Seven built-in synth engines, one per track, each with filter, amp, two envelopes and an LFO
Engine SDK: build your own engines in C and add them later, next to the built-in ones
Four ways to write notes: piano roll, step sequencer, drum grid and tracker, plus a song mode that chains scenes
Mixer and effects: two insert effects per track and two shared buses (reverb and delay)
Songs and presets save to the device

Engines

**Retro**Two-oscillator analog voice with sub, noise and sync. Fat basses and leads.

**Phase**Phase distortion on two lines, with DCO, DCW and DCA envelopes shaping the tone.

**Trio**Three chip oscillators with interval, detune and pulse width: chords and leads on one track.

**Lofi**Game-console voice: pulse, sweep, vibrato, arpeggio and noise.

**Organ**Nine drawbars with rotary, vibrato/chorus and percussion.

**Digital**Two-operator FM: ratio, index and feedback, from e-piano to bells and metal.

**Drum**Eight lanes of synthesized drums. Pick a piece per lane, then set tune, decay and click.

Your engineBuild more with the SDK, or add new ones as they come.

The built-in engines and effects, and plugins made by others, are listed in the Fune Library.

Pages

**HOME**All four tracks' patterns at a glance, with the playhead and each track's macros.

**MIXER**Level, pan and sends to two buses per track, with mute and solo.

**TRACKS**Every track's pattern side by side.

**ROLL**Piano roll for note pitch and length.

**STEP**16-step sequencer; the keys are the steps.

**TRACKER**Tracker view: all tracks' notes in columns.

**SONG**Chain scenes into a song; each scene picks pattern A-D per track.

**EDIT**Filter (LP/BP/HP/Notch) and amp for any engine, with the response curve drawn.

FXTwo insert effects per track, from 15 types.

**BUS 1 / BUS 2**Shared reverb and delay, fed by each track's sends.

Before you install on an FM-1

Fune runs only with M-VAVE's own (stock) bootloader. On a modified bootloader it refuses to write anything.
It has been tested on FM-1 units with the earlier flash chip only; units with the newer chip should work but are untested.
Fune is not compatible with Felucca or the custom firmwares derived from it: songs, presets and plugins do not carry over.
To go back, install M-VAVE's official firmware with their updater.

M-VAVE, FM-1 and SMK-37 are trademarks of their respective owners. Fune is not affiliated with or endorsed by them.

Media Assets

The images below are free to use for press coverage and reviews.

Press Contact

info@hugelton.com

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