Directed Acoustic Assault — LRAD Sound Cannon + PAL Ultrasonic Beam + Frey Microwave Auditory Effect

Three vectors of directed sound attack against a victim: LRAD phased array at 162 dB, parametric array loudspeaker (PAL) ultrasonic self-demodulation beam only the target hears, and Frey Effect pulsed microwave thermoelastic expansion creating sound inside the victim's head. Includes Havana Syndrome AHI research and Norway 2024 self-test.

Scene 39 of 109 in the StopBeingParanoid interactive 3D research collection. Requires JavaScript and WebGL2 for the interactive visualisation.

Related scenes

Elsewhere on this site

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.