Hi Alan, The 2K modes are Codec2 1400 and the 10 K modes are using Opus 9700. The OFDM modulations of FreeDV are not there. I was just asking if people would like to use them before setting out to do it.
Adrian On September 8, 2019 10:09:43 PM UTC, Al Beard <bear...@unixservice.com.au> wrote: >Hi Adrian, > >I've just compiled up the "next" branch and am just trying to figure >out how to set it into Codec2 mode > >and, which mode. I note on your video, you are using the "QPSK 10K" >mode. > >In my compiled version, I see the "BPSK 1K (700B)" mode, can we have >the 700D mode as this is becoming > >the most common mode? > >System here: Ubuntu 18.04 LTS on an Asus H110M m/b with a Pentium(R) >CPU G4560 @ 3.50GHz, no AVX/AVX2. > >(I do have AVX/AVX2 on another m/c) > >Alan VK2ZIW > >On Sun, 8 Sep 2019 17:47:14 +0300, Adrian Musceac wrote > >> Hi David, >> >> Thanks for the kind words! >> I had looked at LPCNet before, but on the Mozilla repo when J.M. >Valin made the announcements on xiph.org. >> Does your variant of LPCNet only support the 1733 bit/s rate? The >Mozilla one is 1600 bits/s which makes it a bit easier for me to use as >I don't have to adjust the frame header parameters. I'm a bit wary of >neural networks as it seems their performance highly depends on the >quality and amount of training data while Codec2 does not. >> I have read an article recently claiming that the median amount of >information transferred with human voice is about 39 bits/s. This seems >off by an order of magnitude to me, but if they are right it means a >lot of improvement can still be made on the vocoders. >> >> Best regards, >> Adrian >> >> On Sun, Sep 8, 2019 at 12:27 AM David Rowe <da...@rowetel.com> wrote: >> Look great Adrian, well done! I quite enjoy using gqrx for several >work >> and play projects, so that's a fine starting point. >> >> You might also consider a LPCNet codec mode. >> >> Cheers, >> David >> >> On 08/09/19 04:04, Adrian Musceac wrote: >> > Hi, >> > I made a clone of Gqrx with transmit support for digital and analog >> > voice, video and IP data. >> > You can see it in action here: >https://www.youtube.com/watch?v=9bxorlma7QU >> > What I'd like to know is if people are interesting in transmitting >and >> > receiving FreeDV with SDR hardware. I'm looking at adding such a >feature. >> > Relevant code is in the next branch of >> > https://github.com/kantooon/qradiolink >> > >> > Many thanks to Alex Csete and Moe Wheatley for making the code used >to >> > build this open source. >> > >> > Best, >> > Adrian >> > >> > >> > >> > >> > _______________________________________________ >> > Freetel-codec2 mailing list >> > Freetel-codec2@lists.sourceforge.net >> > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 >> > >> >> _______________________________________________ >> Freetel-codec2 mailing list >> Freetel-codec2@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/freetel-codec2 >> > >--------------------------------------------------- >Alan Beard > >OpenWebMail 2.53 > >
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