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What are Noise Cancelling Headphones?

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Necessity Of A Quiet Ambient

We live in the 21st century where we are surrounded by artificial pollutant noises. Technology has helped us take advantage of our time, using it to deepen our skills. The time lost with different chores and activities has minimized in order to allow us enjoy a comfortable life. On the other hand, technology brought in our society a few unwanted "gifts". Scientists aren’t able to find ways of improving life’s quality without adding a few pollutant resides.

Besides the major pollutants as factories, gases emanated from hundreds of millions of cars that have a destructive impact over the whole planet, there are some pollutants that have direct effects on us. Electromagnetic frequencies that come from cellphones, microwaves, refrigerators, computers and noises that come from cars (their engines, horns), crowds, outside advertisements are the main factors with a damaging result upon us.

Noises can lead to numerous health problems such as hear impairment, anxiety, heart diseases, sleep disturbance and the list can continue. Exposure to constant noises can diminish one’s concentration and generate brain damages, too.

History

By the 1950’s there were created systems that would remove the noise from airplane and helicopter cockpits. Several airlines offer today their customers noise cancelling headphones for first class cabins and business flights.

What Are These Headphones?

These headphones have the ability to reduce any unwanted ambient sounds also called acoustic sounds. Cancelling the surrounding noises can help an individual to enjoy music without raising the volume too much. It can also provide a peaceful sleep in noisy vehicles such as trains and airplanes.

In airplane environments, where a clear hearing is essential in order to communicate distinctly information, noise cancelling headphones increase the rate of hearing signals and messages to the detriment of passive noises.

This type of headphones are using Active noise control in order to cancel the lower-frequency parts of the noise. For a complete cancellation of high frequencies portions, the emitter and the sensor for the waveform remover would have to be adjoining the user’s ear. This is technically impossible yet.

Advantages Of Using Noise Cancelling Headphones

Though these kind of headphones cannot offer a perfect protection from environmental sounds, they have several essential advantages:

  • Noise cancelling headphones block most of external sounds. Despite their small limitation they are providing a sense of comfort to the user.
  • One of the most prominent features of these best noise cancelling headphones is that you don’t have to raise music’s volume up in order to replace it with the noises coming from outside. This way you are protecting your ear’s health.
  • Some genres of music are best if listened at a high volume. However, most music is providing the listener a quality feeling when listened at a normal volume. The musing hearing experience is enriched by the possibility offered to users of turning down the volume.
  • Noise-Cancelling Headphones are perfect for traveling. For people whose job involve lots of traveling , there is a much need of blocking the surrounding noises in order to read or sleep.
  • Ideal for studying, these type of headphones are helping the student concentrate and ignore any unwanted external sounds. This way learning can be more productive and have better visible results.

The need of quiet and peace is increased in big towns where environmental noises attack people from every direction, that is why noise cancelling headphones are very handy when it comes to the possibility of relaxing in any place that one can find himself in. Trains, subways, airplanes or even on the streets these headphones offer a quality calming effect.

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