How does noise cancellation work in headphones?

Let’s learn how does noise cancellation work in headphones. The most accurate or helpful solution is served by wiki.answers.com.

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Answer:

Sound travels in waves. There is an external receiver for the sound, and when it is received, the headphones...

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Answer:

Of course. Don't feel like you HAVE to use Apple's stock earphones. Any standard headphones (3.5 mm...

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lilaweso... at Yahoo! Answers Mark as irrelevant Undo

Would noise cancellation or noise isolation headphones or earphones allow me to get better sleep at night?

Ok let me preface this by saying I have JR high and HS dropouts throwing eggs at my house almost every weekend on a continual basis and the cops no matter how many times I complain to them to do something about this they refuse to help because they keep...

Answer:

Here's a thought, buy a shotgun, walk out there, and say "get off of my ******* lawn" they...

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What are some tips and resources for making custom active noise cancelling headphones?

Essentially, is there a way to cancel a quiet ticking noise, given close proximity to that noise?  Here's the full, detailed context. Relatively rarely, people suddenly develop a muscle spasm at the soft palate at the top, rear of the mouth. This produces...

Answer:

The frequency of repetition of the sound is less important than the instantaneous frequency characteristics...

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Do noise cancellation protect your ears from loud sound?

In particular, My work requires me too be in server rooms quite often nearly 8+ hours a day. What should I be using for ear protection? should i get some heavy duty Ears or will some run of the mill noise cancellation headphones work ?

Answer:

Get proper industrial ear protection. A set of Dr Dre Beats will not do and not be acceptable on any...

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Flying Spaghetti Monster at Yahoo! Answers Mark as irrelevant Undo

seeking high-quality headphones for work

Relatively high-quality headphones for work ... [MI] I enjoy listening to a good mix of styles and genres of music while working (excluding classical, just doesn't suit my work environment). I've got a pair of AKG K-240M headphones at home that I like...

Answer:

If you don't mind the form-factor, in-ear phones, such as the Shure e3's may give you the most bang...

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kuperman at Ask.Metafilter.Com Mark as irrelevant Undo

Is there an easy way to add noise cancellation to existing ordinary headphones?

I have a pair of in ear headphones that I adore. It's fairly easy to find a new set w/ cancellation but I was hoping to find an 'adapter' of sorts, a tiny box that would go between my headphones and my laptop. I realize that most systems have the microphone...

Answer:

OP is correct, it is not necessary to have the microphones, used to detect sounds to attempt to cancel...

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George Hafiz at Quora Mark as irrelevant Undo

Noise Cancellation Headphones?

I have trouble hearing when there is alot of background noise, so I need help finding some noise cancellation headphones that don't cost an arm and a leg. Preferrebly $50 or less. Any ideas?

Answer:

Doing a quick search on Yahoo! for "noise canceling headphones" i found this site... http...

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Kirk's Lovechild at Yahoo! Answers Mark as irrelevant Undo

Which noise cancellation headphones should i purchase?

i regularly listen to music on the go and was wondering which noise cancellation headphones should i purchase to block out typical outdoor noises( traffic, trains buses cars ) and listen to music on a lower volume .i would like them to be in ear bud...

Answer:

Really any kind that's a brand. The non geniune really don't work so great and are cheesy

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Taz A at Yahoo! Answers Mark as irrelevant Undo

Noise Cancellation headphones?

Im from bangalore , India.I live in a very noisy neighborhood and i am very very irritable to noise.Is there any headphone available which stops the noise ,like the noise of the kids ...show more

Answer:

Noise cancellation headphones won't cancell that level of noise, at most you'll get a 30 dB reduction...

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3U3URTJHIZWQ6MMFXQSHS5BVDE at Yahoo! Answers Mark as irrelevant Undo

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