What is the use of this small hole in the phone? You have been using your mobile for years, still you might not have paid attention to it.

We have been using the phone for years but it would be wrong to say that we all know all its features or specialties. Android users have many options in the market, and there are many people who buy a new mobile just by looking at the design. But have you ever noticed that many Android phones have a small hole at the top. Actually it is a mic. Let us tell you that two microphones are available in some mobiles. Now this question comes to mind that when our voice is lost from one mic, what is the function of the other one?

The second microphone is used for noise cancellation. The phone uses this to listen for external sounds (not including your voice) so it can filter out the sound it hears using the main microphone.

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This way, it can reduce the noise accompanying your voice, making your call more audible to the other party. Let us tell you that one mic in the phone is at the bottom and the other is at the top near our ear.

If you notice, you will see that there is a very small hole at the bottom of the phone. There is a mic place inside it. It is always near our lips so that our voice can be caught immediately. The mic given at the bottom transmits our voice to the other user.

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When you talk on the phone, both mics remain active simultaneously. The bottom mic recognizes your voice and the top mic reduces the surrounding noise. If this small mic was not there then every user would face a lot of difficulty in talking on the phone.

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Tag: mobile phone, technical knowledge, tech tricks