If you’ve ever been inside a large public space or an airy loft with bare walls and hard surface floors, you may have noticed a distinctive ringing sound called flutter echo. This phenomenon occurs ...

Image noise can be caused by using cheap equipment to take photographs. Image noise can be caused by using high ISO while taking photographs in low light. ISO refers to the camera’s sensitivity to ...

Air handlers are the heart of an HVAC system, moving the conditioned air through a building. Like a heart, they can generate a lot of noise while operating. Manufacturers, however, are taking steps to ...

This may not fit in "other hardware", but this seemed to be the closest fit, so here it is. We got an outdoor heat pump with a heat strip/air handler installed at our house last year. It's working ...

HandHeldItems has a killer deal on a pair of sound-isolating earphones that promise much better audio than you get from stock MP3-player earbuds. Rick Broida is the author of numerous books and ...

Did you know that wires can be used to ionize air to make a loudspeaker? Simply put, it’s possible to generate sound by creating an electric field in a set of parallel wires, aka a plasma transducer, ...

Even modest increases in noise above the background level disturb the sleep of seniors in nursing homes, an ongoing study shows. Now, researchers will test the effectiveness of several noise-reducing ...

Snoring is not a rare problem. In fact, according to the American Association of Oral and Maxillofacial Surgeons, right around half of Americans snore. Snoring can be frustrating and even though there ...

Electrical noise, like taxes, is always with us. Most of the time noise is small and we can ignore it, but there are some measurement circumstances where noise must be dealt with. What can be done to ...