In ear noise cancelling headphones iphone usados,tinnitus ear fluttering uterus,paper earring making tutorial 1.7.2,remove ear wax natural remedy remix) - And More

ATH-ANC23 QuietPoint® Active Noise-Cancelling In-Ear Headphones reduce distracting background noise by up to 90% while offering the superior sound that makes Audio-Technica a world-leading pro audio company.
Your wife thinks you're crazy a€” she and the neighbors don't hear a thing a€” and the doctor has ruled out tinnitus.
All around the world a€” in locations as far-flung as an Australian beach town, an English country village and a desert outpost in New Mexico a€” thousands of people are being terrorized by a mysterious incessant noise known as the Hum.
The Hum has baffled researchers since the 1970s, when the first widespread reports of the unexplained acoustic phenomenon cropped up in rural England. Theories abound to explain the origins of the Hum, from the plausible a€” power lines, cell phone towers and industrial fans a€” to the more, uh, imaginative. So what exactly is this mystifying noise, unheard by most, but an absolute torture to some?

We'll start our investigation by exploring some Hum hotspots around the globe and figuring out what the strange phenomena have in common. Engineered to create a comfortable listening environment in areas with high ambient noise, these in-ear headphones feature a miniature microphone in each earpiece that picks up ambient noise (such as traffic, air-handling systems, etc.). The sound is hard to describe, a persistent low rumble like an 18-wheeler idling outside your window.
But here you are, night after sleepless night, stuffing wads of tissue in your ears to block out the maddening sound.
Armed with highly sensitive instruments, teams of scientists have attempted to hunt down the source of the unrelenting noise. Conspiracy theorists have exposed the Hum as the work of the CIA, the military, and of course, aliens.

Electronics in the control box create a noise-cancelling wave that is 180° out of phase with the ambient noise.
This wave acts like a noise eraser: it cancels out the annoying sounds that surround you without diminishing the audio you want to hear. How do active noise-cancelling headphones work?Audio-Technica's QuietPoint® headphones use active noise-cancelling technology to reduce distracting background noise, providing an exceptionally comfortable and restful listening environment in areas with high ambient noise.

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31.08.2013 admin

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