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Are Noise Cancelling Headphones Safer or More Dangerous?

3m 22s560 字数84 segmentsEnglish

完整文本记录

0:03

hi everyone my name is Blake Cadwell I'm

0:06

the co-founder at soundly.com it's a

0:08

site all about hearing and sound and in

0:11

this video we're going to be talking

0:12

about noise canceling headphones and

0:14

specifically we're to talk about whether

0:16

or not they're good or bad for your

0:18

hearing and to talk about this I'm

0:20

joined by audiologist Dr Amy sorrow so

0:24

for anyone who's in a rush let's start

0:26

with the burning question we know from

0:28

research from the world of Health

0:29

Organization and others that headphone

0:32

use is a problem for hearing broadly

0:34

there are over a billion people in the

0:36

Gen Z and Millennial Generations who are

0:38

likely going to have hearing loss

0:40

because of headphone use that's what the

0:42

Research indicates so if someone is

0:44

faced with the choice between noise

0:46

cancellation headphones or normal

0:48

headphones which one should they choose

0:50

which one is generally safer for your

0:52

ears

0:53

generally speaking the noise

0:55

cancellation is going to be better for

0:58

your ears the reason is it's going to

1:00

block out some of that background noise

1:01

so you don't have to crank the volume up

1:03

as high so that's that's the short

1:05

answer

1:07

okay so let's back up how do noise

1:09

canceling headphones actually work so

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with noise cancellation there are two

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types we have active and passive passive

1:17

noise cancellation is accomplished by a

1:19

piece in your ear that seals it up to

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prevent sound from coming in

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active noise cancellation is done with

1:28

the technology inside of your earbuds or

1:31

headphones that is monitoring your

1:34

environment and then canceling out sound

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now this is really fascinating if you

1:39

think about it so let's talk about for

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example air pods if you're you're

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wearing those in your ears what happens

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is they have little microphones on the

1:47

outside that are going to monitor your

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environment and they'll try to catch any

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background noise and then they'll emit a

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sound that is completely the opposite

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and what happens is it cancels out or it

2:02

negates that sound so you don't perceive

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it so it's like a sound wave to

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counteract a sound wave so when you're

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choosing a pair of headphones with

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hearing Health in mind are earbuds that

2:13

sit inside the ear or over ear

2:15

headphones safer in your opinion

2:19

so the answer to this question depends a

2:21

bit on how well we can seal off your ear

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the reason for that is if we can seal it

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off a little better you'll get better

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attenuation or reduction from the

2:31

background noise and you won't have to

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turn the volume up as high a lot of the

2:36

time the best attenuation possibly is

2:39

going to be with over-the-ear headphones

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which we call circum oral because they

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they cover up your ear so those larger

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headphones as opposed to earbuds now

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both of them can work some earbuds do a

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pretty good job with active noise

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cancellation but the answer would be

2:57

typically those over-the-ear headphones

3:00

so the next time you're choosing

3:02

headphones air pods beats Skull Candy

3:05

give noise cancellation a second look it

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can be great for your hearing health and

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help you cut out some of that background

3:11

noise and turn down your overall volume

3:14

so thank you Dr Amy for your time and to

3:16

you the viewer we wish you the best

3:19

[Music]

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    Are Noise Cancelling Headphones… - 完整文字记录 | YouTubeTranscript.dev