Torso Electronics S-4 firmware

Changes in S4 OS v2.2.0 June 3, 2026 Features MOSAIC: Device update — new granular engine. Buffer can be locked (no new audio written, SOS disabled, buffer saved in project). New RAND AMP parameter. New SPRAY modes WARP and WARP MONO. New SCAN parameter (STRETCH, POSITION, DELAY SYNC, DELAY FREE modes). FEEDBACK parameter replaces SOS (GRAIN OUTPUT and SOS modes). RAND PITCH replaces DETUNE (DETUNE, RANDOM, RANDOM MONO modes). New RAND REV parameter (probability of playing grain backwards). Config option MOSAIC RUNNING controls audio generation when not playing. Enhancements CONFIG: MODULATORS RUNNING now defaults to WHEN PLAYING. NEW PROJECT: Transport resets when creating project without external sync. DISC: Scale kept after end recording. DISC/TAPE: MONITOR setting saved in project and scene. DISC: Loads with quantized length in sync mode. Fixed length issues with unsynced library samples causing clicks. Bugfixes ADSR modulator triggered by track assigned MIDI channel. DISC: Fixed CPU load issue causing GUI lag when not playing. DISC: Fixed saving sample clearing loop controls. DISC: Fixed waveform view glitch near file end. MOSAIC: Fixed PATTERN overwritten by PITCH MODULATION. MOSAIC: Removed PATTERN modulation indication on PITCH. DISC: Fixed previous waveform flash before new recording shown. DISC/TAPE: Fixed sync loss when loading project while playing. MOSAIC: Fixed granular going out of sync after RAND RATE. MOSAIC: Fixed clipping when using SOS. Fixed TEMP stuck when latched while saving project.