why do some phones have secondary microphone?
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Answered by
1
Answer:
as the one who made the phone does not have space to fit the microphone operation or fiction in the phone
Answered by
7
Answer:
Mobile phones have multiple microphones for processing your voice, noise cancelled (filtering out background noise) and 'duplexing' with speakerphone calls. Duplexing filters the sounds coming from the speakers so you don't have audible feedback when using speakerphone mode .
Explanation:
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