Synthesizer.Plain.Filter.Recursive.FirstOrder

First order low pass and high pass filter.

Documentation

newtype Parameter a

Constructors

Parameter

Fields

getParameter :: a

Instances

Functor Parameter

Applicative Parameter

Foldable Parameter

Traversable Parameter

C a v => C a (Parameter v)

Show a => Show (Parameter a)

Storable a => Storable (Parameter a)

parameter :: C a => a -> Parameter a

Convert cut-off frequency to feedback factor.

lowpassStep :: (C a, C a v) => Parameter a -> v -> State v v

lowpassModifierInit :: (C a, C a v) => Initialized v v (Parameter a) v v

lowpassModifier :: (C a, C a v) => Simple v (Parameter a) v v

lowpassCausal :: (C a, C a v) => T (Parameter a, v) v

lowpassInit :: (C a, C a v) => v -> T (Parameter a) -> T v -> T v

lowpass :: (C a, C a v) => T (Parameter a) -> T v -> T v

highpassStep :: (C a, C a v) => Parameter a -> v -> State v v

highpassModifierInit :: (C a, C a v) => Initialized v v (Parameter a) v v

highpassModifier :: (C a, C a v) => Simple v (Parameter a) v v

highpassInit :: (C a, C a v) => v -> T (Parameter a) -> T v -> T v

highpassInitAlt :: (C a, C a v) => v -> T (Parameter a) -> T v -> T v

highpass :: (C a, C a v) => T (Parameter a) -> T v -> T v

data Result a

Constructors

Result

Fields

highpass_ :: !a

lowpass_ :: !a

Instances

Functor Result

Applicative Result

Foldable Result

Traversable Result

C a v => C a (Result v)

Storable a => Storable (Result a)

C v => C (Result v)

step :: C a v => Parameter a -> v -> State v (Result v)

modifierInit :: C a v => Initialized v v (Parameter a) v (Result v)

modifier :: C a v => Simple v (Parameter a) v (Result v)

causal :: C a v => T (Parameter a, v) (Result v)