object FOS extends ProductReader[FOS] with Serializable
A first order filter section UGen. Filter coefficients are given directly rather than calculated for you. The formula is equivalent to:
out(i) = a0 * in(i) + a1 * in(i-1) + b1 * out(i-1)
Warning: there are bugs when the coefficients are modulated
Examples
// same as OnePole play { val x = LFTri.ar(0.4) * 0.99 FOS.ar(LFSaw.ar(200) * 0.1, 1 - x.abs, 0.0, x) }
// same as OneZero play { val x = LFTri.ar(0.4) * 0.99 FOS.ar(LFSaw.ar(200) * 0.1, 1 - x.abs, x, 0.0) }
Linear Supertypes
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- FOS
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- ProductReader
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- Definition Classes
- AnyRef → Any
- def ar(in: GE, a0: GE = 0.0f, a1: GE = 0.0f, b1: GE = 0.0f): FOS
- in
input signal to be filtered
- final def asInstanceOf[T0]: T0
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- def kr(in: GE, a0: GE = 0.0f, a1: GE = 0.0f, b1: GE = 0.0f): FOS
- in
input signal to be filtered
- final def ne(arg0: AnyRef): Boolean
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- def read(in: RefMapIn, key: String, arity: Int): FOS
- Definition Classes
- FOS → ProductReader
- final def synchronized[T0](arg0: => T0): T0
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