On Thu, Sep 6, 2018 at 2:10 PM Don <don_li...@db-reid.com> wrote: > > Can anyone tell us what was changed around the input such that the > older SM1000 ADC code wouldn't still work for getting data in? > The old modem used 320 byte codec frames, with I believe 4 times that for buffer space. 700D send 4 codec frames per modem frame, so buffering that amount 4 times is a healthy chunk of ram for both A/D and D/A.
I believe the ARDOP boys pushed the buffering part up into the higher ring, so that interrupt level timing wasn't a problem. ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Freetel-codec2 mailing list Freetel-codec2@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freetel-codec2
