The front and back mics work together to achieve something Apple
calls beamforming, a technique that helps the iPhone focus on sound from the desired location for clearer audio.
Not exact matches
Built - in dual
beamforming microphones in the AirPods enable both voice
calls and Siri commands, and there's a secondary speech - detecting accelerometer that's able to filter out background noise and focus on your voice.
And when you're on a
call or talking to Siri, an additional accelerometer works with
beamforming microphones to filter out background noise and focus on the sound of your voice.
This is
called «
beamforming,» and it's a nifty, complicated idea; Apple told me it has something like 200 patents for the HomePod.