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A free, open-source, multi-platform application for sending files and messages, using the codec2 HF modems
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README.md

FreeDV-Socket-TNC

My first attempt to learn more about FreeDV and how to create a TNC which gets data from a TCP/IP Socket.

Credits

David Rowe and the FreeDV team for developing the modem and libraries FreeDV Codec 2 : https://github.com/drowe67/codec2

This software has been heavily inspired by https://github.com/xssfox/freedv-tnc/

Setup

sudo apt install portaudio19-dev

Socket Commands

Send a simple broadcast

BC:<DATA>

Other stuff

Create audio sinkhole

sudo modprobe snd-aloop index=1,2 enable=1,1 pcm_substreams=1,1 id=CHAT1,CHAT2