sharpen the sources, leave the air

Kuules Transients shapes attacks and sustains per lane of the field, or per direction, and shows the detector doing it: the fast follower, the slow one, and the gap that counts as an onset.

Drag the sensitivity line. Watch which hits cross it.
The body and the detail of the field, shaped separately.
Speed, Length and Sensitivity, visible.
Sharpen the sources where they are; the diffuse part stays untouched.