What I think you guys are really looking for is something like this: http://www.microsemi.com/products/audio-processing/home-automation/zl38062 http://www.micro

What I think you guys are really looking for is something like this: http://www.microsemi.com/products/audio-processing/home-automation/zl38062 http://www.microsemi.com/products/audio-processing/home-auto.... Ambarella uses those in their IP Cameras designs, so it should be straight forward to integrate...