One of the objectives of the work on RADEV2 is to replace the currently required Python runtime from the distributed FreeDV app. This would make it easier to install, smaller, and hopefully more efficient. (Other objectives are improvements in how it works). Python is an important part of the project and is used for prototyping and testing - that won't change.
Re-writing all the python in C is a daunting, tedious, expert task, estimated to take many months that would result in an app that works pretty much the same as it does today.
I've been experimenting with Anthropic's Claude Code recently and it occurred to me that one of the things LLMs are particularly good at is translating between languages, human or programming. The result of just a few days of guiding Claude Code is an experimental RADEV1 decoder app.
The intial work, which includes command line tools to decode and encode from and to WAV files is on github here.
The proof of concept Linux application shown above is in a Github repo here.
While it seems to work and does pass important tests, this is not code supported by the project at this time.
Claude Code enabled me to attempt something I wouldn't dream of until now. It was quite a big job for it (I hit my quota on two separate days and had to wait to resume).
Working with an LLM to write software does still require enough knowledge to know what to ask for and to guide the work.
I hope this work will encourage others to develop innovative FreeDV RADE software along side the official FreeDV App which remains the reference release. My sincere thanks to Dr David Rowe for his fantastic work and his help and encouragement with this little experiment.
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