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 reproducibleissue we > should fix it. IIRC I have a ctest that checks backwardscompatibility for > 700D. > > - David > On 21/12/20 9:13 am, Mooneer Salemwrote: > > David, quick question. Is 1.5.0/1.5.1 supposed tobe backwards compatible with > 1.4.3? At least a couple of peoplehave reported that received signals were > garbled. (I recordedmyself via a WebSDR earlier today and was able to decode > myselfwith 1.5.1, FWIW.) > > -Mooneer K6AQ > > On Sun, Dec 20, 2020 at 2:37AM David Rowe <[email protected]> wrote: > > > Hi Al, > I don't run the QSO.freedv.orgwebsite - you'll need to talk to the > maintainer. > SM1000 support for 700E is possible (it's about the sameCPU as 700D), if some > one wants to work on it .... howeverit would be nice to get the band pass > filter running onthe SM1000 to support the clipper/compression. To datewe've > left the BPF out of the SM1000 due to CPU, so someoptimisation work required > there. > > - David > > On 20/12/20 3:34 pm, Al Beard via Freetel-codec2 wrote: > Thanks David, > > > I've recompiled the Codec2 librarywith 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 develFreeDV GUI on Fedora 29 x86_64, my "main" box. > > > We are having some good Sporadic Eopenings on 10m and 6m between here and New > Zealand. > > > Can we have some frequencies on theQSO.freedv.org websitefor bands 17m and up > such that there > is a "standard" on each band? > > > Also, is there a possibility theSM1000 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 toknow the RMS power you can > > develop with 700D/E withthe clipper option. > > - David > > > > On 20/12/20 10:30 am, Mooneer Salem wrote: > > > > Looks like it's working reasonably well, thoughthe 20 meter band fell out > > shortly after we all gotit installed. More testing tomorrow for sure. :) > > > > -Mooneer K6AQ > > > > On Sat, Dec 19, 2020 at 2:26 PM <[email protected]>wrote: > >Have it loadedand running now. > > > > Working on a couple others as I type to getsome 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 - 700Eand OFDM compression > > > > I've been working on a new FreeDV 700E mode,and some compression for FreeDV > > 700D and 700E toincrease the average power. A Christmas presentfor you to > > play with > > > > 700E is designed to handle fast fading like700C, but like 700D has powerful > > FEC. My benchtests indicate 700C & E are equivalent onmoderate fading > > channels (2Hz dopdler/2ms spread),but on very fast fading (4Hz/4ms) 700E > > does better- 700C & D fall over. 700D works better atlower SNRs on slow > > fading channels. > > > > I've also been testing against compressedSSB, which as Helmut suggests is > > pretty hard tobeat, as it's so robust to fading. However 700E ishanging on > > quite well with fast fading, andbecomes noise free as the SNR increases. > > > > -/- > > > > The second innovation is compression of the700C/D/E waveforms, to increase > > average powersignificantly. > > > > Please be careful adjusting the Tx drive andespecially enabling the Tool - > > Options - Clipping.It can drive your PA quite hard. I have managed40W RMS > > out of my 75W PEP transmitter. Make sureyour transmitter can handle long > > periods of highaverage power. My IC7200 and > > FT-817 seem OK. > > > > At the same equivalent peak power - 700D isdoing well when compressed SSB > > is -5dB SNR andrather hard on the ears. > > > > -/- > > > > Peter VK3RV, Jose LU5DKI, and Barry VK3BRTtried 1.5.0 last night and report > > it works on realHF 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 bitversions of FreeDV 1.5 here: > > > > http://rowetel.com/downloads/freedv > > > > -/- > > > > I'd be interested in any feedback. If youhave an interesting test case > > (e.g. a bug orcomparing SSB to FreeDV), pls send me off airrecordings of > > signals (FreeDV Tools-Record Filefrom Radio). That helps me make > > objectivecomparisons. Recordings are much more useful tome 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 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 _______________________________________________ > 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 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.
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