Hi Alan, For a real world HF DV system, the TWELP codec is combined with modems/protocol stacks from other vendors.
Cheers, David On 07/12/18 07:03, Alan Beard wrote: > Hi David and all, > > Thanks David for your comparisons http://www.rowetel.com/?p=6513 > > As far as I can see looking at the DSP Innovations website, their > processor includes both a modem and a speech codec. > > I couldn't determine if there was any accompanying data in their system. > > As I see it, accompanying data (the text in FreeDV) is so so useful in > routing the signal. ie. Destination information. > > Are there any comparisons on complete systems, over air tests? > > Another point: > Who do guarantee a support for "open-source" codec? > > On page: http://dspini.com/twelp/codec2-vs-twelp-700 > > During 911, whole companies were destroyed, so is "DSP Innovations Inc" > a SINGLE POINT OF FAILURE. > > Alan VK2ZIW > > > On Fri, 7 Dec 2018 05:47:57 +1030, David Rowe wrote >> Hello List, >> >> DSP Innovations (who sell the TWELP speech codec) have published >> their own review on Codec 2: >> >> http://dspini.com/news/2018 >> >> My response here: >> >> http://www.rowetel.com/?p=6513 >> >> Cheers, >> >> David >> >> _______________________________________________ >> Freetel-codec2 mailing list >> Freetel-codec2@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/freetel-codec2 > > > Alan > > Evil flourishes when good men do nothing. > Consider the Christmas child. > --------------------------------------------------------------------------- > Alan Beard Unix Support Technician from 1984 to today > 70 Wedmore Rd. Sun Solaris, AIX, HP/UX, Linux, SCO, MIPS > Emu Heights N.S.W. 2750 Routers, terminal servers, printers, terminals etc.. > +61 2 47353013 (h) Support Programming, shell scripting, "C", assembler > 0414 353013 (mobile) After uni, electronics tech > > > > _______________________________________________ > 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