ReSpeaker Lite 2-Mic Array Voice Board, XMOS XU316, I2S and USB Audio, for XIAO ESP32S3

Features Dual Microphone Array for Far-Field Voice Capture: The 2 high performance digital microphones capture and extract far-field speech and voice (up to 3 meters) even in noisy environments as it cancels point noise using two microphone input. Onboard AI NLU Algorithms: Powered by XMOS XU-316 AI sound and audio chip, the kit includes Natural Language Understanding algorithms for Interference Cancellation (IC), Acoustic Echo Cancellation, Noise Suppression, Voice-to-Noise Ratio (VNR), and Automatic Gain Control (AGC), enabling high quality voice capture. Embracing Open Source: This board is compatible with popular hardware platforms (XIAO ESP32S3 (Sense), Adafruit QT Py) via I2S, and compatible with Raspberry Pi, PC via USB (Audio Class 2.0 (UAC2)). Onboard RGB LED: The board features a programmable WS2812 RGB LED, supporting custom effects and offering a visual interface for your applications. External Power Supply Support: this board supports external 5V power supply, which can be flexibly applied in different scenarios. DFU for Custom Development: the board supports custom firmware update via DFU-Util. Hardware Overview Application Far-Field Voice Control Offline Voice Processing Local Command Processing Custom Wake-Up Words Low Power Voice Offload Industrial Voice Control Voice Recognition and Control for Home Assistant, Google Assistant, Amazon Alexa and more.