How Do Noise-Canceling Headphones Work – HeadphonesRadar
Ever wondered how your headphones work to save your quality time from random distractions?
If you just purchased your noise-canceling headphones and its clarity has made you question the very rocket science engaged behind the performance, you are welcome.
That’s what we are doing, evaluating the actual technique and letting the users know what must be known.
An active mind or intelligence gainer would always be interested to know what is cooking and we totally appreciate this practice.
Very often, there are times, you are sitting at some bus stop, railway station or at the airport waiting to travel, you have time to kill.
The headphones pair screams, asking you to use them and you actually do.
What if using headphones or not using them is similar to each other?
Yes, if the people talking around you, the vehicles passing loud noises or the kids crying for something is reaching your ears in both ways, what is the use of headphones?
So if you have your headphones just to support the idea of having headphones with no particular feature to assist during relaxation, you made a huge mistake.
Whereas, if you realized the significance of Noise Cancellation before hitting the store to buy yourself a headphone pair, you now need to learn how they work.
Read more : Ambient Sound Headphones – Beginner’s Guide
Here’s how Active and Passive Noise-Canceling Headphones Work
Though the natural purpose of headphones is to enjoy music, that’s what the inventor must have proposed for making this technology piece.
Then, the music passion drove people
to the next level, obviously, they took this invention quite seriously.
Now they realized, they could not listen to the music with alliance because the outside noise keeps hitting the tranquility and the attention gets distracted.
The experts observed the matter and progressed the device with the NC feature or Noise Cancellation feature.
This is now used for so many situations and people have been inclined to prefer the headphones with NC than a regular model serving the sole music.
Digging deeper we know, NC is not just NC but it has a further division into Passive Noise Cancellation and Active Noise Cancellation.
Passive NC is easily found in any headphones model these days, unlike ANC which you have to find specifically.
You may find a headphones pair with passive noise cancellation or the one with active noise cancellation, but also the one with both.
There is also a concept of noise-isolating headphones which is somewhat an older version of cutting off the unwanted noises, however, still used but on a very small scale.
All thanks to Bose company for the perfect formulation of this feature that has imparted a considerable to the folk who did not want the interaction at certain times.
Active Noise Cancellation
This involves the release of higher frequency against the lower frequency ambient asnoise, incapable for the human ear which is perceived as nothing, holy nothing.
Here, a microphone is adjusted quite near the ear and when any outside noise wave tries reaching the ear, the microphone gets in between.
It sums the nature of the sound or noise and passes the opposite frequency, this way, a kind of wave connection occurs which clear away the ambient noise right there.
Passive Noise Cancellation
This feature seems to do a similar job at a minimal rate, the higher frequency ambient noise is controlled better through passive noise cancellation.
The phenomenon of the process is almost equal in both the types but ANC provides more coverage than this.
The presence of this feature usually makes the headphones heavy and it is normal.
The science of compressions and rarefactions is indulged with the kind of barrier we call, noise cancellation, and enables one to focus on the desired listening.
Ask your physics teacher and he may tell you this process is called ”destructive interference” and so this invisible destruction delivers visible effects on our listening experience.
Top 10 Best Noise Cancelling headphones
|Brand Name||Model No.||Features||Price|
|Sony||WH100XM3/ B||Quick attention mode, Alexa enabled voice assistant, Smart listening, Comfortable wear, p to 30 hours of battery life, Touch control, etc.||Check Price|
|Bose||794297-0100||Alexa voice control, Up to 20 hours of battery life, Touch control, Lightweight, Adaptive four-mic system, Stainless steel headband, etc.||Check Price|
|Jabra||100-99030001||Water-resistant, Up to 36 hours of battery life, One-touch voice assistant, 8-mic call technology, SmartSound, 2 years warranty, etc.||Check Price|
|Bowers & Wilkins||759944-0020||Up to 20 hours of battery life, Lightweight, High-class Noise Cancellation, Volume optimized EQ, Dual microphone system, etc.||Check Price|
|Sennheiser Momentum 3||508234||Auto ON/OFF and Smart pause, Transparent hearing, Up to 17 hours of battery life, One-tap voice assistant, Bluetooth v 5.0 connection, Comfortable to wear, etc.||Check Price|
|Sony||WHCH700N/L||Hands-free calling, Up to 35 hours of playback, High-end NFC, Adjustable slider, Built-in Alexa, One push AINC, etc.||Check Price|
|COWIN||E7||Comfortable protein ear pads, Up to 30 hours of playtime, Variety of cool colors, Budget-friendly, Deep bass, 40mm drivers, etc.||Check Price|
|YOUNGFUN||NCHeadphone- Black||Up to 12 hours of battery life, 33ft wireless range, 2-in-1 wired and wireless, Soft ear cups and comfortable wear, Affordable, etc.||Check Price|
|Mpow||MPBH366AB||CVC 6.0 noise cancellation mic, 90 degrees rotatable ear cups, Up to 30 hours of playtime, Bluetooth v 4.1, Upgraded hybrid ANC tech, Comfortable experience, etc.||Check Price|
|Soundcore||AK- 848061010022||Up to 40 hours of battery life, BassUp tech, 4 built-in ANC microphones, 40mm dynamic drivers, Bluetooth v 5.0, Hi-Res Audio, etc.||Check Price|
If you are suffering from seasonal sleeping sickness or post-depression insomnia, you may try the noise-canceling headphones for sleeping, twice more effective in providing the pose triggering sleep hormones, check the best ones here.