Here's a webpage of one of many outfits working the IP, software, DSP side of these things-
http://www.illusonic.com/licensing/ Recognize the microphone? It's from a favored manufacturer around here, and uses two capsules plus beamforming tech to increase directionality beyond previously achievable limits while mitigating typical bad off-axis behavior at the same time. It's every bit about better quality audio (at a price), yet on the order of thousands of units, not millions as in phones.
A bit more on increasing mic directivity and devreverberation tech-
http://www.illusonic.com/dereverberation/