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Synthesizer.Plain.Filter.Recursive.SecondOrder | Portability | requires multi-parameter type classes | Stability | provisional | Maintainer | synthesizer@henning-thielemann.de |
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Description |
All recursive filters with real coefficients
can be decomposed into first order and second order filters with real coefficients.
This follows from the Fundamental theorem of algebra.
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Synopsis |
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Documentation |
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Parameters for a general recursive filter of 2nd order.
| Constructors | Parameter | | c0 :: !a | | c1 :: !a | | c2 :: !a | | d1 :: !a | | d2 :: !a | |
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Constructors | Status | | u1 :: !a | | u2 :: !a | | y1 :: !a | | y2 :: !a | |
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Given a function which computes the filter parameters of a lowpass filter
for a given frequency,
turn that into a function which generates highpass parameters,
if requested filter type is Highpass.
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Produced by Haddock version 2.4.2 |