Where are you hosting your port at? There was a one-liner bug in the C fsk
modem having to do with the frequency estimation that you may be running in
to.
On Wed, Mar 23, 2016 at 7:13 PM, Steve <coupaydevi...@gmail.com> wrote:
> > If you want to mess around with it yourself, the frequency estimation
> happens in fsk_demod_freq_est
>
> I converted that algorithm to java and played with it. One thing I noticed
> though, and I'm not much of a DSP person, was that it is doing a size 1024
> FFT with a 1920 samples, so I assume it just ignores the extra samples at
> the end.
>
> I'm wondering if a 2048 FFT would be better (more memory though, and
> wasted at the end). Maybe downsample the 1024 reals back to 512 reals again.
>
> Maybe not enough to worry about??
>
> Thanks all, interesting stuff!
>
>
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