> > By the way those views are via the freedv spectrum display. > > What I was thinking was the random numbers are of course hitting all > the tones equally, whereas the vocoder bits are not as pure, and may > in fact favor bit combinations over another. Maybe a sequence of the > same bit patterns. >
Hi Steve, You could try scrambling the output of the vocoder. I use a scrambler block from GNU radio which is described quite well here: http://destevez.net/2016/05/scramblers-and-their-implementation-in-gnuradio/ Of course you would need to write it yourself and add it at the vocoder output. Regards, Adrian ------------------------------------------------------------------------------ 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
