Who is responsible for FreeDV Waveform?

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  • Updated 3 years ago
I am having good success with FreeDV on my '6500.  You plug it in and it runs.  I understand it's unsupported software, but it would be useful to know more about how best to use this mode.  In particular what are the differences between the Flex FDV mode and FreeDV that you can run in your PC?  What version of FreeDV is implemented?
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Martin Ewing AA6E

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Posted 5 years ago

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Steve - N5AC, VP Engineering / CTO

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Official Response
We grabbed the then most recent version of  CODEC2 and FreeDV from the website and implemented the code we saw at the time.  FreeDV is more of a full-featured client that draws a waterfall, etc. and we did not repeat all this with another external client.  The CODEC2 team has volunteered to keep the software up to date moving forward, but we have not met with them yet to hand this off.  It will involve the release of the full waveform SDK with a VM which we just haven't finished yet (we're hard at work on v1.5).  

Because everything is open source, anyone could take what we've done and upgrade it to use the newer waveform in addition to the one we have or expand it and serve up multiple modes.  We'd help someone with the skills and desires to do this, but we've just not had the time to do it here yet.

The BER is likely in the code we have and we've just not exposed it.  I think we originally added a bar graph to the client and I'm not sure we are sending out the BER though.