Once DV is working well, and stable, it would be so cool to see it on the K3, as a mode. -- 73's, and thanks, Dave (NK7Z)
For software/hardware reviews see: http://www.nk7z.net For MixW support see: https://groups.yahoo.com/neo/groups/mixw/info For SSTV help see: http://groups.yahoo.com/neo/groups/MM-SSTV/info On Wed, 2016-05-04 at 08:46 -0700, Walter Underwood wrote: > Dave Rowe is doing some exciting work with digital voice, all open > source specifications and code. It isn’t appropriate for rig firmware > yet, because he keeps improving it! > > You can run FreeDV on a computer or get the outboard SM1000 box > ($195). That does the coding and has an audio bypass mode so you can > leave it in-line. > > http://www.rowetel.com/blog/?page_id=3902 > <http://www.rowetel.com/blog/?page_id=3902> > https://freedv.org/tiki-index.php <https://freedv.org/tiki-index.php> > > wunder > K6WRU > Walter Underwood > CM87wj > http://observer.wunderwood.org/ (my blog) > > > > > On May 4, 2016, at 7:55 AM, Bill Frantz <fra...@pwpconsult.com> > > wrote: > > > > The real problem is which codec and transmission protocol do you > > use. Icom has D-Star, and Yaesu, instead of supporting D-Star which > > might have improved digital voice uptake due to larger critical > > mass, decided to push out its own protocol. (I think they were > > listening to their commercial division which wants to lock > > customers into using only their gear. IMHO, that's not ham radio.) > > > > Note that with D-Star, the only proprietary part of the protocol is > > the codec. If you use the chip which supports the codec, you are > > covered on the intellectual property issues. For me, the supreme > > irony is that both Icom and Yaesu use the same chip, but can't talk > > to each other. > > > > The other issue is that under weak signal conditions, FM is likely > > to be better for getting the message through than either of these > > digital voice protocols. > > > > There is a open source protocol which is used on HF, but I don't > > see much activity using it. > > > > As far as Elecraft is concerned, there just isn't usage to justify > > the engineering time. We didn't see PSK63 support until after the > > Europeans were running PSK63 contests. > > > > 73 Bill AE6JV > > > > On 5/4/16 at 8:05 PM, elecraft@mailman.qth.net (Michael Heit via > > Elecraft) wrote: > > > > > > > > I have to wonder if a firmware upgrade in the future may allow > > > digital voice from the KX3? > > ----------------------------------------------------------------- > > ------ > > Bill Frantz | Concurrency is hard. 12 out | Periwinkle > > (408)356-8506 | 10 programmers get it wrong. | 16345 Englewood > > Ave > > www.pwpconsult.com | - Jeff Frantz | Los Gatos, CA > > 95032 > > > > ______________________________________________________________ > > Elecraft mailing list > > Home: http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/mmfaq.htm > > Post: mailto:Elecraft@mailman.qth.net > > > > This list hosted by: http://www.qsl.net > > Please help support this email list: http://www.qsl.net/donate.html > > Message delivered to wun...@wunderwood.org > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to d...@nk7z.net ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
