seeed studio ReSpeaker Mic Array v2.0 Microphones XMOS’s XVF 3000

Far-field Voice Capture/Support USB Audio Class 1.0 (UAC 1.0) 【Pick Up Voices From Far Away】Far-field voice capture enables you to capture and understand requests from up to 5m away 【Focus On The Right Voice】DoA allows the device to know the direction of a source,BF allows the device to focus only on sounds that come from the target direction,Ignore background noise and chatter through NS 【Improved Voice Audio Quality】Reduces environmental voice echo with de-reverberation，Remove current audio output with AEC Several improvements have been made since the original ReSpeaker Mic Array v1.0. The first thing you may notice is the reduction of microphones. With the improved performance of the XMOS XVF-3000, including the improved full duplex AEC, we’ve been able to deliver increased performance with fewer microphones, and thus a lower cost