Is it speaker-independent ?
As to the amateur radio use, I would worry about the computation complexity and
the hardware requirement.
------------------ Original ------------------
From:
"freetel-codec2"
<gmaxw...@gmail.com>;
Date: Sun, Sep 12, 2021 10:33 AM
To: "freetel-codec2"<freetel-codec2@lists.sourceforge.net>;
Subject: [Freetel-codec2] facebook speech codec at 365bps
https://speechbot.github.io/resynthesis/
https://ai.facebook.com/blog/textless-nlp-generating-expressive-speech-from-raw-audio/
The 365 bps figure is not totally fairly comparable to more
traditional codecs because they presume a per-speaker speaker
embedding is sent once.
This model need not be a barrier for amateur radio use. You could
easily imagine a scheme that sent the callsign in each frame and a 1
bit per frame output from a fountain code over the user's speaker
embedding. A receiver that hasn't recovered a particular speaker's
embedding yet could just use a dummy one until its recovered. Bonus,
with this approach you get a good voice changer as a side effect--
increasing the appeal of ham radio to CB users! :P
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