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ESP-TEL is a single-chip, audio tele-conferencing solution based on Espressif’s ESP32-LyraT-Mini development board. No additional digital-signal processing (DSP) chip is needed. Only one ESP32 is used for the front-end speech recognition. This solution can simultaneously realize the functions of audio-conference calling, voice interaction and human-machine interface (HMI).
ESP-TEL Resources
1. ESP32-LyraT-Mini Getting-Started Guide: docs.espressif...
2. ESP VoIP is a telephone client based on the standard SIP protocol: github.com/esp...
3. Espressif's Audio DevKits: www.espressif....
4. Espressif's Audio Development Framework: github.com/esp...
5. Espressif's esp_sr provides basic algorithms for speech-recognition applications: github.com/esp...
6. ESP Technical Documents: www.espressif....