Ah, the coefficients looked different at a first glance but yes, it's the same :)
<http://dariosanfilippo.tumblr.com> On Fri, 5 Jul 2019 at 16:00, Oleg Nesterov <o...@redhat.com> wrote: > On 07/05, Dario Sanfilippo wrote: > > > > Hello, everybody. > > > > Here's yet another design to obtain analytic signals, taken from Olli's > > post: > > > https://dsp.stackexchange.com/questions/37411/iir-hilbert-transformer/59157#59157 > > . > > > > analytic(x) = real, > > > > imaginary > > > > with { > > > > re_c = (0.47944111608296202665, 0.87624358989504858020, > > 0.97660296916871658368, 0.99749940412203375040); > > > > im_c = (0.16177741706363166219, 0.73306690130335572242, > > 0.94536301966806279840, 0.99060051416704042460); > > > > tf(c, y, x) = c*(x+y')-x''; > > > > real = mem(x) : seq(i, 4, tf(ba.take(i+1, re_c)) > > > > ~ _); > > > > imaginary = x : seq(i, 4, tf(ba.take(i+1, im_c)) > > > > ~ _); > > > > }; > > Somehow you didn't notice that this is the SAME filter I showed you in > https://sourceforge.net/p/faudiostream/mailman/message/36696053/ ;) > > Oleg. > >
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