There's some code in FreeDV to open a UDP port and have it accept commands. I haven't looked too much at it, so perhaps David would know more.
-Mooneer K6AQ On Sat, Dec 26, 2020 at 7:06 PM Al Beard via Freetel-codec2 < [email protected]> 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]> 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]> 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]> 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]> >>>> > > Sent: Saturday, December 19, 2020 3:34 PM >>>> > > To: [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] >>>> > > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 >>>> > > >>>> > > _______________________________________________ >>>> > > Freetel-codec2 mailing list >>>> > > [email protected] >>>> > > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 >>>> > > >>> >>> >>> > > >>> > > >>> >>> _______________________________________________ >>> Freetel-codec2 mailing >>> >>> [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 >>> [email protected]https://lists.sourceforge.net/lists/listinfo/freetel-codec2 >>> >>> _______________________________________________ >>> > Freetel-codec2 mailing list >>> > [email protected] >>> > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 >>> > >> >> >> > >> > >> >> _______________________________________________ >> Freetel-codec2 mailing >> [email protected]https://lists.sourceforge.net/lists/listinfo/freetel-codec2 >> >> _______________________________________________ >> > Freetel-codec2 mailing list >> > [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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