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I have a .wav file of human speech sampled at 48kHz. Before making the analytic signal with:

hilbert(s_real)

lets say in range 200 - 3,500 Hz, I probably need to do pass-band filtering, say 300 - 3,400 Hz. Does it matter for subsequent Hilbert transform, what type of filter is applied: Bessel, Butterworth, Chebyshev or Elliptic?

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  • $\begingroup$ well, you get different signals when applying different filters? I'm not sure what you're asking here. What are you worried about? $\endgroup$ – Marcus Müller Jul 12 '18 at 8:33
  • $\begingroup$ one of the options of remez exchange is a hilbert transform $\endgroup$ – user28715 Jul 12 '18 at 13:04

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