ESP32-LyraTD-DSPG Development Board USB DBMD5P DSP Support Voice Recognition and Wake-up Work with Alexa

nullManual Click here to openOverview ESP32 LyraTD DSPG is one of Espressifs Audio Development Board based on ESP32 MCU and DBMD5P DSP It is an Acoustic Echo Cancelation AEC solution supporting voice recognition near field and far field voice wake up Audio files in the format of WAV MP3 AAC FLAC OPUS and OGG can be decoded and encoded without quality loss It also supports connection to Amazons AVS Alexa Voice Service Googles Dialogflow and Googles GVA Google Voice Assistant ESP32 LyraTD DSPG is based on ESP32 WROVER B a BT Wi Fi combo module and a digital signal processor DSP that features a three microphone array for noise reduction echo cancelation beam forming and detection ESP32 LyraTD DSPG is integrated with peripheral devices and consists of two development boards The sub board mainly consists of the microphone array function keys and LEDs The main board is integrated with power management Wi Fi and audio modules like DSP Codec and power amplifier The two boards can be connected with FPC interface Hardware Resources 1 USB power inputProvides power supply to the whole system It is recommended that the system be connected to a power adapter for sufficient current supply 2 ESP32 WROVER B moduleThis is a powerful general purpose Wi Fi BT BLE dual core MCU module targeting a wide variety of applications ranging from low power sensor networks to the most demanding tasks such as voice encoding decoding music streaming and runs voice assistant