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Can't one do the job? Why do companies provide two microphones in mobile phones?

Have you ever wondered why mobile phone manufacturers provide two microphones instead of one? If you still don't know the answer, let's explain in detail what each microphone does and why a single microphone isn't enough.

 
Microphone updates

Even if you've been using a mobile phone for years, do you know why companies provide two microphones instead of one? 

Many people may already know the answer, but there are still many who don't know the correct answer. We'll explain why two microphones are provided, what they do, and where they're placed.

Where are both microphones placed?

The primary microphone is placed at the bottom of the phone, while the secondary (auxiliary) microphone is located at the top. Both microphones have different functions, which is why a single microphone isn't sufficient.

Mobile Microphones: What is the function of both microphones?

If one microphone would suffice, the company wouldn't provide a second microphone. However, providing a single microphone could ruin your calling experience, so companies often provide two microphones instead of one. The primary microphone is provided because it transmits your voice to the other person.

Now, the question that might arise is, what's the purpose of a second microphone once your voice has reached the other person? 

It's a function, sir. The second microphone is provided to reduce the surrounding noise during a call; this is called noise cancellation.

There are many amazing features available in the phone about which we do not even have correct information, that is why today we are explaining to you the reason behind two microphones in the phone so that you too get correct information about the mobile phone.