SolitonSOUND LIVENESS / ~2 SECONDS
Medium security liveness
A short browser capture that adds sound without screen flashes.
Sound
Uses sound propagation during capture to check for a live person.
A short capture
Around two seconds of capture in the browser, with no screen flashes.
A silent sound check
Uses ultrasound inaudible to adults.
Around two seconds of capture. Setup, positioning, upload, and analysis take additional time. Camera and microphone access are required. Full and partial outcomes are documented in the API reference.