You might want to have a look at the TAP code in https://github.com/JeroenVreeken/freedv-gui It opens a network device which can be used to send/receive frames (except for voice which is handled by freedv-gui itself) It might need som additions for the new codec2 data modes and functions though.
Regards, Jeroen On 12/27/2020 04:05 AM, Al Beard via Freetel-codec2 wrote: > Hi Mooneer and any other developers, > > Could a "connetivity" mechanism to/from the FreeDV GUI app such that > another app can trigger Tx and get an Rx > valid signal? > * > * > The "another" app could be "Asterisk", "HamVOIP" or "mvoice" etc.. > > Alan VK2ZIW > * > * > * > * > *On Sun, 20 Dec 2020 15:48:33 -0800, Mooneer Salem wrote* > > Yeah, I'm not 100% sure if it's a backwards compatibility issue or > some bug but reverting to 1.4.3 did seem to help for one or two people. > > > > BTW, the measures I took thus far to reduce misreports to PSK > Reporter are still not 100%; my callsign was reported as "K6TQ" > earlier instead of "K6AQ". We'll have to look more into FEC at some > point for sure. > > > > -Mooneer K6AQ > > > > On Sun, Dec 20, 2020 at 2:49 PM David Rowe <[email protected] > <mailto:[email protected]>> wrote: > > > > > > > > Yes its should be backwards compatible, so if it's a > reproducible issue we should fix it. IIRC I have a ctest that > checks backwards compatibility for 700D. > > > > - David > > On 21/12/20 9:13 am, Mooneer Salem wrote: > > >> >> > David, quick question. Is 1.5.0/1.5.1 supposed to be backwards >> compatible with 1.4.3? At least a couple of people have reported >> that received signals were garbled. (I recorded myself via a >> WebSDR earlier today and was able to decode myself with 1.5.1, >> FWIW.) >> > >> > -Mooneer K6AQ >> > >> > On Sun, Dec 20, 2020 at 2:37 AM David Rowe <[email protected] >> <mailto:[email protected]>> wrote: >> > >> >> >> > >> > Hi Al, >> > I don't run the QSO.freedv.org <http://qso.freedv.org/> >> website - you'll need to talk to the maintainer. >> > SM1000 support for 700E is possible (it's about the same >> CPU as 700D), if some one wants to work on it .... however it >> would be nice to get the band pass filter running on the >> SM1000 to support the clipper/compression. To date we've >> left the BPF out of the SM1000 due to CPU, so some >> optimisation work required there. >> > >> > - David >> > >> > On 20/12/20 3:34 pm, Al Beard via Freetel-codec2 wrote: >> > >>> *Thanks David,* >>> > * >>> > * >>> > *I've recompiled the Codec2 library with the latest on my >>> "parrot" repeater.* >>> > *(Fedora 30 armv7hl) (a Pi clone, Banana Pi M2 Berry)* >>> > *But error:* >>> > */data/home/alanb/bin/parrot: undefined symbol: >>> freedv_get_uncorrected_errors* >>> > * >>> > * >>> > *I'll look into that....* >>> > * >>> > * >>> > *I've compiled the Ver 1.5 devel FreeDV GUI on Fedora 29 >>> x86_64, my "main" box.* >>> > * >>> > * >>> > *We are having some good Sporadic E openings on 10m and 6m >>> between here and New Zealand.* >>> > * >>> > * >>> > *Can we have some frequencies on the QSO.freedv.org >>> <http://qso.freedv.org/> website for bands 17m and up such >>> that there* >>> > *is a "standard" on each band?* >>> > * >>> > * >>> > *Also, is there a possibility the SM1000 can run mode 700E?* >>> > * >>> > * >>> > *Alan VK2ZIW* >>> > * >>> > * >>> > * >>> > * >>> > *On Sun, 20 Dec 2020 13:50:33 +1030, David Rowe wrote* >>> > > Thanks Walter and Mooneer. I'd be interested to know >>> the RMS power you can develop with 700D/E with the clipper >>> option. >>> > > - David >>> > > >>> > > On 20/12/20 10:30 am, Mooneer Salem wrote: >>> > > >>>> >>>> > > Looks like it's working reasonably well, though the 20 >>>> meter band fell out shortly after we all got it installed. >>>> More testing tomorrow for sure. :) >>>> > > >>>> > > -Mooneer K6AQ >>>> > > >>>> > > On Sat, Dec 19, 2020 at 2:26 PM <[email protected] >>>> <mailto:[email protected]>> wrote: >>>> > > >>>> >>>> Have it loaded and running now. >>>> > > >>>> > > Working on a couple others as I type to get some >>>> end to end testing. >>>> > > >>>> > > Many thanks David, and best of the holidays. >>>> > > >>>> > > Walter/K5WH >>>> > > >>>> > > -----Original Message----- >>>> > > From: David Rowe <[email protected] >>>> <mailto:[email protected]>> >>>> > > Sent: Saturday, December 19, 2020 3:34 PM >>>> > > To: [email protected] >>>> <mailto:[email protected]> >>>> > > Subject: [Freetel-codec2] FreeDV 1.5 - 700E and >>>> OFDM compression >>>> > > >>>> > > I've been working on a new FreeDV 700E mode, and >>>> some compression for FreeDV 700D and 700E to increase >>>> the average power. A Christmas present for you to play >>>> with >>>> > > >>>> > > 700E is designed to handle fast fading like 700C, >>>> but like 700D has powerful FEC. My bench tests indicate >>>> 700C & E are equivalent on moderate fading channels >>>> (2Hz dopdler/2ms spread), but on very fast fading >>>> (4Hz/4ms) 700E does better - 700C & D fall over. 700D >>>> works better at lower SNRs on slow fading channels. >>>> > > >>>> > > I've also been testing against compressed SSB, >>>> which as Helmut suggests is pretty hard to beat, as >>>> it's so robust to fading. However 700E is hanging on >>>> quite well with fast fading, and becomes noise free as >>>> the SNR increases. >>>> > > >>>> > > -/- >>>> > > >>>> > > The second innovation is compression of the >>>> 700C/D/E waveforms, to increase average power >>>> significantly. >>>> > > >>>> > > Please be careful adjusting the Tx drive and >>>> especially enabling the Tool - Options - Clipping. It >>>> can drive your PA quite hard. I have managed 40W RMS >>>> out of my 75W PEP transmitter. Make sure your >>>> transmitter can handle long periods of high average >>>> power. My IC7200 and >>>> > > FT-817 seem OK. >>>> > > >>>> > > At the same equivalent peak power - 700D is doing >>>> well when compressed SSB is -5dB SNR and rather hard on >>>> the ears. >>>> > > >>>> > > -/- >>>> > > >>>> > > Peter VK3RV, Jose LU5DKI, and Barry VK3BRT tried >>>> 1.5.0 last night and report it works on real HF channels. >>>> > > The latest manual describes the new features: >>>> > > >>>> > > >>>> >>>> https://github.com/drowe67/freedv-gui/blob/118cb66ee4679518185db871ec0ae68071c406a4/USER_MANUAL.md >>>> >>>> > > >>>> > > You can download Windows 32 and 64 bit versions of >>>> FreeDV 1.5 here: >>>> > > >>>> > > http://rowetel.com/downloads/freedv >>>> > > >>>> > > -/- >>>> > > >>>> > > I'd be interested in any feedback. If you have an >>>> interesting test case (e.g. a bug or comparing SSB to >>>> FreeDV), pls send me off air recordings of signals >>>> (FreeDV Tools-Record File from Radio). That helps me >>>> make objective comparisons. Recordings are much more >>>> useful to me than anecdotes or subjective reports. >>>> > > >>>> > > Thanks, >>>> > > David >>>> > > >>>> > > _______________________________________________ >>>> > > Freetel-codec2 mailing list >>>> > > [email protected] >>>> <mailto:[email protected]> >>>> > > >>>> https://lists.sourceforge.net/lists/listinfo/freetel-codec2 >>>> >>>> > > >>>> > > _______________________________________________ >>>> > > Freetel-codec2 mailing list >>>> > > [email protected] >>>> <mailto:[email protected]> >>>> > > >>>> https://lists.sourceforge.net/lists/listinfo/freetel-codec2 >>>> >>>> > > >>>> >>>> >>>> > > >>>> >>>> > > >>>> _______________________________________________ >>>> Freetel-codec2 mailing >>>> >>>> list >>>> [email protected] >>>> <mailto:[email protected]> >>>> https://lists.sourceforge.net/lists/listinfo/freetel-codec2 >>>> >>> >>> > >>> > --------------------------------------------------- >>> > Alan VK2ZIW >>> > Before the Big Bang, God, Sela. >>> > OpenWebMail 2.53, nothing in the cloud. >>> > >>> > >>> > >>> >>> > >>> _______________________________________________ >>> Freetel-codec2 mailing >>> list >>> [email protected] >>> <mailto:[email protected]> >>> https://lists.sourceforge.net/lists/listinfo/freetel-codec2 >>> >> _______________________________________________ >> > Freetel-codec2 mailing list >> > [email protected] >> <mailto:[email protected]> >> > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 >> > >> >> >> > >> >> > >> _______________________________________________ >> Freetel-codec2 mailing >> list >> [email protected] >> <mailto:[email protected]> >> https://lists.sourceforge.net/lists/listinfo/freetel-codec2 >> > _______________________________________________ > > Freetel-codec2 mailing list > > [email protected] > <mailto:[email protected]> > > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 > > > > > > > --------------------------------------------------- > Alan VK2ZIW > Before the Big Bang, God, Sela. > OpenWebMail 2.53, nothing in the cloud. > > > > > > _______________________________________________ > Freetel-codec2 mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/freetel-codec2
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