Spike S1 — stems + live pitch-shift + mic tracking
Pass gate: 10 min, no dropouts, responsive UI, stable pitch readout (docs/ROADMAP.md).
1 · Start audio (stems + shifter)
Semitones:
3
Pad stem gain
Rhythm stem gain
echoCancellation ON (test both — Rangefinder guardrail says OFF)
2 · Enable mic + pitch tracking
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