reSpeaker Lite - USB 2-Mic Array with Onboard AI Audio Processing Algorithms

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• 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 Audio front-end 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.

• 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