This is more or less the same principle of how Amazon Echo devices work, but on steroids. Very neat. I would be surprised if you aren’t seeing some diminished

This is more or less the same principle of how Amazon Echo devices work, but on steroids. Very neat. I would be surprised if you aren’t seeing some diminished marginal returns from all those extra mics, but I guess you’re trying to capture azimuth deltas that Echo devices don’t really care about.