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 ...

I have a yamaha receiver and it seems like almost any time there is dialog I notice a high pitch digital sounding noise accompanied by the dialog. It's really noticeable to me, happens on the tv and ...

Yeah, I can easily detect the TV section in department stores from that terrible high-pitched whine. I suppose it comes with buying bargain electronics. I can't hear my CRTs (15" Trinitron, 17" ...

Some Apple Studio Display owners have taken to online forums to complain that their monitors make a high-pitched buzzing sound that appears to be emanating from the top of the screen or behind it, and ...