Protesters are calling for a boycott of a Cypress Park Home Depot, claiming high-pitched noise machines are being used to drive away day laborers.

Immigrant rights advocates are sounding the alarm about a high-pitched noise they say is coming from machines installed at ...

Our hearing picks up a limited range of sounds, limits that were used successfully to keep teenagers from congregating outside British grocery stores by a device called the “teenage sound repeller." ...

When it came out in Britain in December, the Mosquito sound system was supposed to be the sonic equivalent of a "no loitering" sign. Its annoying, high-pitched sound -- which many adults can't hear ...

Some Mac Studio owners have noticed that their machines are making a high-pitched "whining" sound that appears to be coming from the fan. There are pages of complaints on the MacRumors forums about ...