i did a few frequency shifter fx ... https://github.com/olilarkin/OL-OWLPatches <https://github.com/olilarkin/OL-OWLPatches>
> On 15 Jun 2019, at 19:13, Giuseppe Silvi via Faudiostream-users > <faudiostream-users@lists.sourceforge.net> wrote: > > Hi Dario. > Started but never tested. > > https://raw.githubusercontent.com/grammaton/faust_dsp/master/HILBERT-TRANSFORM/HILBERT.dsp > > <https://raw.githubusercontent.com/grammaton/faust_dsp/master/HILBERT-TRANSFORM/HILBERT.dsp> > > import("stdfaust.lib"); > import("filters.lib"); > > biquad(a1,a2,b0,b1,b2) = + ~ conv2(a1,a2) : conv3(b0,b1,b2) with{ > conv3(k0,k1,k2,x) = k0*x + k1*x'+ k2*x''; conv2(k0,k1,x) = k0*x + k1*x'; }; > f1 = biquad(-0.02569, 0.260502, -0.260502, 0.02569, 1) : biquad(1.8685, > -0.870686, 0.870686, -1.8685, 1) ; f2 = biquad(1.94632, -0.94657, 0.94657, > -1.94632, 1) : biquad(0.83774, -0.06338, 0.06338, -0.83774, 1) ; > > hilbert = f1, f2; // f1 advanced 90° - f2 delayed 90° > > process = hilbert; > > > On 15 June 2019 19:08:55 CEST, Dario Sanfilippo <sanfilippo.da...@gmail.com> > wrote: > Hello, list. > > I may have missed it but I couldn't find a Hilbert filter in the libraries. > Has any of you implemented one that works well for frequency shifting? > > Thanks, > Dario > > -- > Sent from my Android device with Sync for iCloud Mail. Please excuse my > brevity. > _______________________________________________ > Faudiostream-users mailing list > Faudiostream-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/faudiostream-users
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