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Sound Cues: the Gesture Chain

Electronics guide 🔊 · Workshop crew · Nov 2026

The chain

CosNFX reads your wrist's motion on a Wear OS watch, matches it to calibrated gesture zones, and fires that zone's cue — sounds and visuals locally, compatible props over the network for the layers. The whole loop happens on the watch for the fastest response: the hit lands with the arm.

Calibration: teaching it your motion

1. Pick a zone (the app ships seven editable areas).
2. Perform the motion 3–5 times; the app profiles its shape and sets a sensitivity.
3. Practice: the cue must fire on clean hits and stay quiet while you walk.

The latency budget

Path	Delay	Reads as
Watch speaker	<50 ms	The hit — instant
Bluetooth speaker	150–300 ms	Drama — good for ambience, late for clashes
Networked props	~100–400 ms	Glows, fog, flashes — never the sharp hits

Speakers

Watch speakers carry mids/highs: design around transients. A tiny wearable speaker in the chest pocket changes everything for layered cues — the low hum under the watch's hit.

Cue design, briefly

• Hits land on the END of a motion (the strike, not the wind-up).
• One signature cue per zone beats five random ones — the room learns your character.
• Fold silence in: a cue that fires every ten seconds reads louder than a constant hum.

Map a whole setup on the cue mapper, print the sheet, and build it in the app in an evening — that's the loop this site exists to keep moving.