Ifyour device has a Ring/Silent switch, move the switch forward—toward the device's display—so that orange isn't showing. If you hear sound, try making a call with your iPhone and turn on speakerphone. On iPad or iPod touch, make a FaceTime call. If you still can't hear, or hear static or crackling, then your network or reception could

Its been shown that as the intensity of noise is increased, a certain optimal noise level allows people to see, hear and feel better. Too much noise degrades our performance.

Thecomputer fans in your desktop PC or laptop is there to keep things running smoothly. However, if you can barely hear yourself think over the cacophony of fan noise emanating from your computer

^{ConnectingRod Noise. If you hear a light knocking or pounding sound, the noise can usually be traced back to your connecting rods. its mostly the exhaust and you can hear the exhaust under the cover. Reply. jose simon says: December 11, 2015 at 10:38 am. i have a 69 vette with a rebuilt 350 engine that only has 1000 miles on it. the other}

Thebasic concept of how active noise cancellation works is simple. Think of a sine wave on a graph, with the height of its arc in positive territory. Now, imagine the exact inverse of that, with

Theproblem you're having is often due to the software in the Kindle locking up and it needing to be rebooted. To do this, simply press and hold the power button on the Kindle for 40 FULL seconds, then release and wait a full minute for it to reboot (do no press anything else within that minute). . 106 51 490 236 370 131 179 322

what is that noise you hear when it's silent