Inaudible Emission Scanner — Live Infrasound & Ultrasound Detector | Web Audio API

Scene 96 — Real-time browser-based scanner for infrasound (0–20 Hz) and ultrasound (18–24 kHz) using Web Audio API. Waterfall display, alert log, pitch-shift sonification. Links to DolphinAttack (S89), acoustic beamforming (S90), and RF detection suite (S91–93).

Scene 96 of 109 in the StopBeingParanoid interactive 3D research collection. Requires JavaScript and WebGL2 for the interactive visualisation.

Related scenes

MagBackdoor — Magnetic Field Voice Injection via Loudspeaker: Detection & Countermeasures
Ultimate Defence & Detection Guide — Surveillance Detection from $0 to $600

Elsewhere on this site

Home
All 109 scenes — complete index
Acoustic Spectrum Lab — live FFT demo
RF Academy — free 9-module curriculum
Field notes
Paranoia, fear & mental health — how to get help

If any of this frightens you: this site documents what signal physics makes possible in a laboratory, which is not evidence about what is happening to any individual. If you feel watched, targeted or unsafe, that distress is real and treatable. Read about paranoia, mental health and how to get help, or call a free 24/7 line — 988 in the US and Canada, 116 123 in the UK and Norway, 13 11 14 in Australia, or find your country at findahelpline.com.