SLOOP Floyd FM, image 1 from its README
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SLOOP Floyd FM

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SLOOP fork with its own synth voicing.

forM-VAVE FM-1·by@renebohne

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Download v2.4

sloop-2.4.fwsc· 596 KB· +1 file

GPL-3.0· renebohne/sloop-fm1·downloads come from the creator’s GitHub releases

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9 commits and 2 releases in the last year
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  1. v2.4SLOOP 2.4Latest2 files

    SLOOP 2.4 — Floyd 4-Operator Visual FM Engine + SLOOP 2.3 Upstream Sync

    • Floyd 4-Operator FM Engine: Inspired by Floyd Steinberg's 4-OP FM concept video and Jonathan Zeppa's FloydFM VST.
    • Per-Operator ADSR Envelopes: Full independent 4-stage envelopes with dedicated stage tracking and discrete level/ratio controls.
    • 7-Page UI Sub-Navigation: Dedicated pages for ALGO, OP1..OP4, LEVEL, and RATIO.
    • Live Vector Oscilloscope: Real-time ADSR curve plotting and ray-projected playhead tracer dots across active voices.
    • Upstream 2.3 Integration: Includes USB audio input streaming, backup system, and all official 2.3 features.
    • See FLOYD.md for full architecture and sound design reference.
  2. v2.2-visual-fmSLOOP 2.2 - Visual FM UI & Played Note LEDs1 file

    What's New in this Release:

    1. Floyd Steinberg Visual FM Synthesizer Interface:
      • 4 side-by-side color-coded operator channel strips on EDIT 1 and EDIT 2 for the DIGITAL FM engine.
      • Live color-gradient envelope heatmaps for carriers (green) and modulators (yellow/orange/red).
      • Real-time algorithm routing flow header and live voice note tracers.
    2. Played Synth Notes LED Illumination:
      • Option in SYSTEM > NOTES (OFF / ON) to light up hardware keys for active synth voices on the selected track.

    How to Install:

    1. Download sloop-2.2-visual-fm.fwsc below.
    2. Open the SLOOP Web Installer (or Felucca Web Installer) in Google Chrome or Microsoft Edge.
    3. Connect your FM-1 with a USB cable, choose the downloaded .fwsc file, and click Install.