Product description
The ReSpeaker Mic Array v2.0 is a hardware-based solution for creating or adding voice-interface to your projects. The board is a far-field microphone array device capable of detecting voices up to 5m away even with the presence of background noise. The onboard hardware-enabled algorithms are powered by the XMOS XVF-3000.
ReSpeaker USB is Plug & Play (no driver required) and compatible with Windows, Mac, Linux and Android. It has four microphones and supports 360° pick-up. Several acoustic algorithms are implemented, e.g.: Voice Activity Detection, Direction of Arrival, Automatic Echo Cancellation, Automatic Gain Control and Noise Suppression. The 3.5 mm audio jack is for plugging in a headphone or a speaker (not included).
More information is available on the website of Seeed Studio and wiki.