A microphone array is a group of microphones that work together to capture sound from different directions. It helps to accurately pick up sound and separate it from background noise. Full definition
It packs 4 - microphone array with advanced noise cancellation technology for better noise cancellation and better hands - free voice control. (phoneradar.com)
You can stick it just about anywhere, and because it has the same microphone array as its bigger siblings, it won't have a problem hearing your requests. (businessinsider.com)
Chat with friends and foes alike with the only Mixed Reality headset to feature an integrated microphone array. (samsung.com)