Codec2 library for ESP32 (Arduino)
This is an implementation of Codec2 for the ESP32 (Arduino). The ESP32_codec2.ino file is an example to transmit and receive voice using a LoRa radio. It allow to make a walking-talking with a long range low power.
This library do not have an installer, just copy the codec2 folder to your Arduino library folder.
Codec2 is a low-bitrate speech audio codec (speech coding) that is patent free and open source develop by David Grant Rowe. http://www.rowetel.com/