Most demods require a few symbols to sync up. We often implement that by delaying the output data. But once that happened you could have a 1 symbol latency.
On 26/08/14 10:19, Steve wrote: > I was thinking the next big thing (down the road) would be > full-duplex, and then you could have two FFT's running :-) > > ...although maybe that might be better done with a different design > (SM2000 ??)... > > Many years ago we used to have a TAPR 9600 baud repeater in town. It > was pretty neat, as it solved the hidden terminal problem, everyone > could hear everyone. The neat thing being the bit-regenerator. Rather > than wait for the whole packet, it operated at the bit level. > > I was thinking that maybe an FDM repeater could operate the same way. > Receive a symbol, transmit (regenerate) a symbol, loop. That way the > repeater doesn't have to know anything about the vocoder or data > protocol riding on top of the symbols. > > With enough carriers to fill the wide-band FM (5 kHz) bandwidth (2400 > bps at 50 baud or so). > > ------------------------------------------------------------------------------ > Slashdot TV. > Video for Nerds. Stuff that matters. > http://tv.slashdot.org/ > _______________________________________________ > Freetel-codec2 mailing list > Freetel-codec2@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 > ------------------------------------------------------------------------------ Slashdot TV. Video for Nerds. Stuff that matters. http://tv.slashdot.org/ _______________________________________________ Freetel-codec2 mailing list Freetel-codec2@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freetel-codec2
