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

Synthesizer.State.ToneModulation

Contents lazy oscillator handling of phases as needed for oscillators

Synopsis

type Cell sig y = T (sig y) interpolateCell :: Read sig y => T a y -> T b y -> (a, b) -> Cell sig y -> y data Prototype sig a v = Prototype { protoMarginLeap :: Margin protoMarginStep :: Margin protoIpOffset :: Int protoPeriod :: a protoPeriodInt :: Int protoShapeLimits :: (a, a) protoSignal :: sig v } makePrototype :: (C a, Read sig v) => Margin -> Margin -> a -> sig v -> Prototype sig a v sampledToneCell :: (C a, Transform sig v) => Prototype sig a v -> a -> T a -> ((a, a), Cell sig v) oscillatorCells :: (C t, Transform sig y) => Margin -> Margin -> t -> sig y -> (t, T t) -> (T t, T t) -> T ((t, t), Cell sig y) checkNonNeg :: (Ord a, C a, Show a) => a -> a makeCell :: Transform sig y => Int -> sig y -> Cell sig y oscillatorCoords :: C t => Int -> t -> (t, T t) -> (T t, T t) -> T (Coords t) limitRelativeShapes :: C t => Margin -> Margin -> Int -> (t, T t) -> (t, T t) limitMinRelativeValues :: (C t, Ord t) => t -> (t, T t) -> (t, T t) freqsToPhases :: C a => T a -> T a (T a) freqsToPhasesSync :: C a => T a -> T a (T a)

Documentation

type Cell sig y = T (sig y) Source

interpolateCell :: Read sig y => T a y -> T b y -> (a, b) -> Cell sig y -> y Source

data Prototype sig a v Source

Constructors Prototype protoMarginLeap :: Margin protoMarginStep :: Margin protoIpOffset :: Int protoPeriod :: a protoPeriodInt :: Int protoShapeLimits :: (a, a) protoSignal :: sig v

makePrototype :: (C a, Read sig v) => Margin -> Margin -> a -> sig v -> Prototype sig a v Source

sampledToneCell :: (C a, Transform sig v) => Prototype sig a v -> a -> T a -> ((a, a), Cell sig v) Source

lazy oscillator

oscillatorCells :: (C t, Transform sig y) => Margin -> Margin -> t -> sig y -> (t, T t) -> (T t, T t) -> T ((t, t), Cell sig y) Source

This function should not be used, since it requires recomputation of shapes and freqs lists.

checkNonNeg :: (Ord a, C a, Show a) => a -> a Source

makeCell :: Transform sig y => Int -> sig y -> Cell sig y Source

oscillatorCoords :: C t => Int -> t -> (t, T t) -> (T t, T t) -> T (Coords t) Source

limitRelativeShapes :: C t => Margin -> Margin -> Int -> (t, T t) -> (t, T t) Source

limitMinRelativeValues :: (C t, Ord t) => t -> (t, T t) -> (t, T t) Source

handling of phases as needed for oscillators

freqsToPhases :: C a => T a -> T a (T a) Source

Convert a list of phase steps into a list of momentum phases. phase is a number in the interval [0,1). freq contains the phase steps. The last element is omitted.

freqsToPhasesSync :: C a => T a -> T a (T a) Source

Like freqsToPhases but the first element is omitted.

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