Hi Fernando - Are there are errors / warnings / printouts happening in your GRC log window or in your terminal? Do you see `aU` getting printed, by chance?
Also, just to be certain, your wavefile was recorded at 44.1kHz and not at something like 48kHz? Cheers, Ben On Fri, May 12, 2017 at 10:14 AM, Fernando <ferna...@samara.com.es> wrote: > I'm playing with a GFSK modulator demodulator from here: > > https://www.scribd.com/doc/254559988/Gaussian-Frequency-shif > t-Keying-With-GNU-Radio > > It works fine when transmitting a cosine, but when I transmit a audio > signal (everything the same) it sounds bad, with noise and intermittent > sound. > > What am I doing wrong? > > > > regards > > > > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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