Under the hood

Three senses, fused into one model.

Obi's technology stack exists for one reason: to take something that was previously unmeasurable — the quality of a movement — and render it as a number you can trust.

120Hz
Peak sample rate
<40ms
Fusion latency
5+9+1
Sensing dimensions
On-device
Processing
The stack

From raw signal to spoken cue.

01
Sensing

Raw signals — pressure per zone, 9-axis motion per node, continuous heart rate — sampled at up to 120Hz and streamed over Bluetooth Low Energy.

02
Fusion

A lightweight on-device model aligns the three streams in time, resolving a single coherent state of the body in under 40 milliseconds.

03
Interpretation

Pose recognition, symmetry scoring, and stability calculation run against the fused state — the numbers you see, computed, not guessed.

04
Coaching

Obi Coach translates the interpreted state into plain verbal and visual cues, timed to matter in the moment, not after.

Why fusion matters

No single sensor tells the whole story.

Pressure alone

Tells you where weight is, but not what the joints above it are doing.

Motion alone

Tells you how a joint moved, but not whether the ground supported it correctly.

Heart rate alone

Tells you effort, but nothing about form or placement.

See the fusion live.

The clearest way to understand Obi's technology is to watch it work.