| If you're a music lover like me then it's essential that | | | | circuits use the microphone signal to produce an |
| you bring your music with you wherever you go, and a | | | | "antinoise" signal. This causes "destructive interference" |
| great pair of headphones allows us to do that. If you're | | | | which cancels out the ambient noise. |
| simply in a quiet room by yourself then any | | | | One of the benefits of using noise cancellation |
| headphones will do. But in most situations there will be | | | | headphones is that you don't have to turn the volume |
| various kinds of ambient background noise that sneaks | | | | up as high to have an uninterrupted sonic experience |
| into your ears and interrupts your enjoyment of the | | | | with little interference. This is simply more pleasant than |
| music. The usual result of this is that you end up raising | | | | blasting out your eardrums, but also better for your |
| the volume of the music to overpower the ambient | | | | hearing over the long term. It is also more less of an |
| background noise. This can lead to more damage to | | | | annoyance to the people around you if you can |
| your hearing over time, as well as causing a nuisance | | | | comfortably turn down your volume to a level where |
| to people around you when they can hear your music | | | | they will barely hear it. Another benefit of noise |
| blasting from your headphones. | | | | cancellation headphones is that they block out ambient |
| To eliminate most of that ambient background noise | | | | noise even when the music has finished, essentially |
| you can use noise cancellation headphones. They | | | | acting as earplugs. Many people claim that they have |
| reduce the background acoustic noise by using a | | | | a much easier time falling asleep on airplanes or in |
| function called active noise control (ANC). ANC works | | | | other enclosed areas. They truly do help you focus |
| by using microphones near the ear, and electronics | | | | inward and tune out the outside world. |