synthesizer-0.2: Audio signal processing coded in Haskell Source code Contents Index

Synthesizer.Interpolation.Custom

Description

Special interpolations defined in terms of our custom Interpolation class.

Synopsis

data T t y constant :: T t y linear :: C t y => T t y cubic :: (C t, C t y) => T t y piecewise :: C t y => Int -> [t -> t] -> T t y piecewiseConstant :: C t y => T t y piecewiseLinear :: C t y => T t y piecewiseCubic :: (C t, C t y) => T t y function :: C t y => (Int, Int) -> (t -> t) -> T t y

Documentation

data T t y Source

interpolation as needed for resampling

constant :: T t y Source

Consider the signal to be piecewise constant.

linear :: C t y => T t y Source

Consider the signal to be piecewise linear.

cubic :: (C t, C t y) => T t y Source

Consider the signal to be piecewise cubic, with smooth connections at the nodes. It uses a cubic curve which has node values x0 at 0 and x1 at 1 and derivatives (x1-xm1)2 and (x2-x0)2, respectively. You can see how it works if you evaluate the expression for t=0 and t=1 as well as the derivative at these points.

piecewise :: C t y => Int -> [t -> t] -> T t y Source

List of functions must be non-empty.

piecewiseConstant :: C t y => T t y Source

piecewiseLinear :: C t y => T t y Source

piecewiseCubic :: (C t, C t y) => T t y Source

function Source

:: C t y => (Int, Int) (left extent, right extent), e.g. (1,1) for linear hat -> t -> t -> T t y with this wrapper you can use the collection of interpolating functions from Donadio's DSP library

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