An "array microphone" means a microphone that has multiple tiny microphones built together to capture better sound quality and reduce background noise in a more effective way. Full definition
It has 4050 mAh battery and comes with Triple array microphone with active noise cancellation. (techandroids.com)
Lenovo Phab 2 Pro packs triple array microphones with active noise - cancellation, Dolby Atmos, Dolby Audio Capture 5.1, and 3.5 mm audio jack. (news.softpedia.com)
Recording hardware consists of a two - megapixel camera and dual digital array microphone. (digitaltrends.com)