reSpeaker 4-Mic Array for Raspberry Pi - AC108 Audio Codec, 4 Analog Microphones, 12 Programable RGB LEDs, 2 Grove ports, attached with NLU software algorithms, VAD,DOA, KWS

The reSpeaker 4-Mic Array has been equipped with 4 analog microphones and AC108 Audio Codec, for high-definition voice capture and process, designed to be the voice user interface for Raspberry Pi Series. Attach with NLU software algorithms, it has the abilities of Voice Activity Detection, Direction of Arrival and Key Word Spotting, widely used in Voice Interaction applications. It is a fine solution for local Neutral Language understanding.