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The scoop on how noise cancelling headphones work

So do you remember the last time you have been in a silent outdoor? Me neither, and that’s not fair, I think. For me, Music lives everywhere and quality sound is essential to our daily lives, but Noise definitely is not.

Noise Pollution

We unconsciously listen to a bunch of sounds in our everyday life, thus we get used to our neighbor’s loud music, people abnormally screaming talking on their phone, the traffic and car horns, and even pets barking in the middle of the night. Nevertheless, when the sound of the city keeps you from sleeping at night or starts giving you a headache, it stops becoming just noise and turning into noise pollution.

Pollution! You did read well, as that concept is not limited to nature and resources. In the sound tech world, pollution has the weight of a deep, corpulent-baritone voice.

Travel Ticket to Success

It dates back to 1978, when the founder of Bose Corporation had a bad plane trip while trying to enjoy the ride with some music. All of sudden, using a pair of airline-supplied Headphones made him realize that the roar of the jet engines was not helping to savor the sound.

He started making calculations right there on the plane to see if it was possible to use the headphones themselves as a noise-reducing agent. The end of the story speaks for itself: protecting your music and your ears + no wires.

Noise Control: How the Stuff Works

Noise cancelling headphones operation by steps, in a simple way:

  1. The headphones are equipped with a series of microphones that detect the sound waves that the consumer wants to avoid.
  2. The device, through an electronic circuit, emits sound waves of the same amplitude and frequency but with a phase deviation of 180 degrees.

So this phenomenon is known as Destructive Interference: The noise crest is aligned at the same time as the valley of the generated wave, which causes both to cancel.

Need a straightforward explanation? You better try watching this wave of sound representation of what is actually happening on real-time into your hearing aid.

Gadgets to Sound Proof Your Space

In such a way, when you need a little silence on your life or an escape from the noisy world we live in, create your own zone and atmosphere: Muzo – State of the art vibration monitoring system.

Thumbs up, music lovers! A sound innovation which mixes up vibration-cancelling, ambient-setting, noise-reducing in a lightweight, discreet, and easy to set up presentation have arrived.

Creating a personal bubble of silence for you (or perhaps you and your better half) seems to be a very impressive alternative and the big brother of noise-cancelling headphones.

Check out how that new noise-blocking technology work in public spaces like coffee shops and outdoors would be interesting. However, do we deserve the quiet and the silent in the bouncy mess we have created for living-in? Certainly I cannot relate, but I just hope we are ready to carry the peace of a library everywhere we want and need Match-point for the future.

This post first appeared on TechDigg, please read the originial post: here

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The scoop on how noise cancelling headphones work


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