Blog - Ultrasonic Directional Speaker

Page / - last modified by Victor Zhang on 00:19, 22/07/2020

Ultrasonic Directional Speaker

last modified by Victor Zhang

on 00:19, 22/07/2020

Table of Contents

Open source one:https://hackaday.io/project/9085/logs

Probably first saw in "future weapons" as a military equipment for crowd control

It uses the directional properties of ultrasound

Modulates and trick our ear of hearing it

Presumably can achieve a lot of interesting effects, like spatial sound

Example:

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