Mini Audio Development Board with ESP32 USB-UART Microphone -2021.    Overview:  LyraT-Mini not only optimizes the performance of the original ESP32-LyraT function, but also does not require the voice processing of the pre-DSP. AEC (Echo Cancellation), AGC (Automatic Gain Algorithm), NS (Ace) are implemented on a single ESP32-D0WD. Denoising), (Wake-up Engine) and other audio signal processing. ESP-ADF is the official audio development framework of Lexin.    Lexin launched a new audio development board based on ESP32, a LyraT-Mini, which will be added to the Lyra series (originally including ESP32-LyraT and ESP32-LyraT-MSC). As its name suggests, the LyraT-Mini has a mini size and a single microphone interrupt wake-up function. In addition, LyraT-Mini has a simple hardware architecture, competitive pricing and excellent keyword recognition rate.    Package Included:  1 x ESP32-LyraT-Mini Audio Development Board