how do microphones in a phone not pick up any audio that the speakers put out? if I put a call on speaker mode, how do people on the other end not hear themselves?

Question

how do microphones in a phone not pick up any audio that the speakers put out? if I put a call on speaker mode, how do people on the other end not hear themselves?

In: Technology

Answer 1

The mics do record it. But then it depends on the software, as some do cancel it or ignore it. Where the hardware is placed also affects.

Have a voice call in a game while playing both without headset, just speakers, and you will probably hear that feedback with a second of delay or so.