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

Synthesizer.Amplitude.Control Portability requires multi-parameter type classes Stability provisional Maintainer synthesizer@henning-thielemann.de

Contents Primitives Preparation

Description

Control curves which can be used as envelopes, for controlling filter parameters and so on.

Synopsis

constant :: (C y', C y', C y y') => y' -> T y y' y constantVector :: y' -> yv -> T y y' yv mapLinear :: (C y, C y', C y', C y y') => y' -> y' -> T y y' y -> T y y' y mapExponential :: (C y', C y, C y y') => y -> y' -> T y y y -> T y y' y

Primitives

constant Source

:: (C y', C y', C y y') => y' value -> T y y' y

constantVector Source

:: => y' amplitude -> yv value -> T y y' yv The amplitude must be positive! This is not checked.

Preparation

mapLinear Source

:: (C y, C y', C y', C y y') => y' range: one is mapped to center+range -> y' center: zero is mapped to center -> T y y' y -> T y y' y Map a control curve without amplitude unit by a linear (affine) function with a unit.

mapExponential Source

:: (C y', C y, C y y') => y range: one is mapped to center*range, must be positive -> y' center: zero is mapped to center -> T y y y -> T y y' y Map a control curve without amplitude unit exponentially to one with a unit.

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