Csound.Air.Wave

Basic waveforms that are used most often. A waveform function takes in a time varied frequency (in Hz).

Documentation

type Wave = Sig -> SE Sig

Bipolar

osc :: Sig -> Sig

A pure tone (sine wave).

oscBy :: Tab -> Sig -> Sig

An oscillator with user provided waveform.

saw :: Sig -> Sig

A sawtooth.

isaw :: Sig -> Sig

Integrated sawtooth: 4 * x * (1 - x).

pulse :: Sig -> Sig

Pulse (not normalized).

sqr :: Sig -> Sig

A square wave.

pw :: Sig -> Sig -> Sig

Pulse width modulation (width range is 0 to 1)

pw dutyCycle cps

tri :: Sig -> Sig

A triangle wave.

ramp :: Sig -> Sig -> Sig

Triangle wave with ramp factor (factor's range is 0 to 1)

ramp factor cps

blosc :: Tab -> Sig -> Sig

A band-limited oscillator with user defined waveform (it's stored in the table).

With phase control

osc' :: D -> Sig -> Sig

A pure tone (sine wave) with initial phase (the first argiment).

oscBy' :: Tab -> D -> Sig -> Sig

An oscillator with user provided waveform with initial phase (the second argiment).

saw' :: D -> Sig -> Sig

A sawtooth.

isaw' :: D -> Sig -> Sig

Integrated sawtooth: 4 * x * (1 - x).

pulse' :: D -> Sig -> Sig

Pulse (not normalized).

sqr' :: D -> Sig -> Sig

A square wave.

pw' :: Sig -> D -> Sig -> Sig

Pulse width modulation (width range is 0 to 1)

pw' dutyCycle phase cps

tri' :: D -> Sig -> Sig

A triangle wave.

ramp' :: Sig -> D -> Sig -> Sig

Triangle wave with ramp factor (factor's range is 0 to 1)

ramp' factor phase cps

blosc' :: Tab -> D -> Sig -> Sig

A band-limited oscillator with user defined waveform (it's stored in the table).

With random phase

rndOsc :: Sig -> SE Sig

rndOscBy :: Tab -> Sig -> SE Sig

rndSaw :: Sig -> SE Sig

rndIsaw :: Sig -> SE Sig

rndPulse :: Sig -> SE Sig

rndSqr :: Sig -> SE Sig

rndPw :: Sig -> Sig -> SE Sig

rndTri :: Sig -> SE Sig

rndRamp :: Sig -> Sig -> SE Sig

rndBlosc :: Tab -> Sig -> SE Sig

rndPhs :: (D -> Sig -> Sig) -> Sig -> SE Sig

Generic random smoothTypephase oscil

Raw analog waves (no band limiting)

Analogue-like waves with no band-limiting. Can be useful for LFOs.

rawTri :: Sig -> Sig

rawSaw :: Sig -> Sig

rawSqr :: Sig -> Sig

rawPw :: Double -> Sig -> Sig

rawTri' :: D -> Sig -> Sig

rawSaw' :: D -> Sig -> Sig

rawSqr' :: D -> Sig -> Sig

rawPw' :: Double -> D -> Sig -> Sig

rndRawTri :: Sig -> SE Sig

rndRawSaw :: Sig -> SE Sig

rndRawSqr :: Sig -> SE Sig

rndRawPw :: Double -> Sig -> SE Sig

Unipolar

unipolar :: Sig -> Sig

Turns a bipolar sound (ranges from -1 to 1) to unipolar (ranges from 0 to 1)

bipolar :: Sig -> Sig

Turns an unipolar sound (ranges from 0 to 1) to bipolar (ranges from -1 to 1)

uosc :: Sig -> Sig

Unipolar pure tone.

uoscBy :: Tab -> Sig -> Sig

Unipolar oscBy.

usaw :: Sig -> Sig

Unipolar sawtooth.

uisaw :: Sig -> Sig

Unipolar integrated sawtooth.

upulse :: Sig -> Sig

Unipolar pulse.

usqr :: Sig -> Sig

Unipolar square wave.

upw :: Sig -> Sig -> Sig

Unipolar pulse width modulation wave.

utri :: Sig -> Sig

Unipolar triangle wave.

uramp :: Sig -> Sig -> Sig

Unipolar triangle wave with ram factor.

ublosc :: Tab -> Sig -> Sig

Unipolar band-limited oscillator.

With phase control

uosc' :: D -> Sig -> Sig

uoscBy' :: Tab -> D -> Sig -> Sig

usaw' :: D -> Sig -> Sig

uisaw' :: D -> Sig -> Sig

upulse' :: D -> Sig -> Sig

usqr' :: D -> Sig -> Sig

upw' :: Sig -> D -> Sig -> Sig

utri' :: D -> Sig -> Sig

uramp' :: Sig -> D -> Sig -> Sig

ublosc' :: Tab -> D -> Sig -> Sig

With random phase

urndOsc :: Sig -> SE Sig

urndOscBy :: Tab -> Sig -> SE Sig

urndSaw :: Sig -> SE Sig

urndIsaw :: Sig -> SE Sig

urndPulse :: Sig -> SE Sig

urndSqr :: Sig -> SE Sig

urndPw :: Sig -> Sig -> SE Sig

urndTri :: Sig -> SE Sig

urndRamp :: Sig -> Sig -> SE Sig

urndBlosc :: Tab -> Sig -> SE Sig

Raw analog waves (no band limiting)

Analogue-like waves with no band-limiting. Can be useful for LFOs.

urawTri :: Sig -> Sig

urawSaw :: Sig -> Sig

urawSqr :: Sig -> Sig

urawPw :: Double -> Sig -> Sig

urawTri' :: D -> Sig -> Sig

urawSaw' :: D -> Sig -> Sig

urawSqr' :: D -> Sig -> Sig

urawPw' :: Double -> D -> Sig -> Sig

urndRawTri :: Sig -> SE Sig

urndRawSaw :: Sig -> SE Sig

urndRawSqr :: Sig -> SE Sig

urndRawPw :: Double -> Sig -> SE Sig

Noise

rndh :: Sig -> SE Sig

Constant random signal. It updates random numbers with given frequency.

constRnd freq

urndh :: Sig -> SE Sig

Unipolar rndh

rndi :: Sig -> SE Sig

Linear random signal. It updates random numbers with given frequency.

rndi freq

urndi :: Sig -> SE Sig

Unipolar rndi

white :: SE Sig

White noise.

pink :: SE Sig

Pink noise.

brown :: SE Sig

Brownian noise

Frequency modulation

fosc :: Sig -> Sig -> Sig -> Sig -> Sig

Frequency modulation

fosc carrierFreq modulatorFreq modIndex cps

Low frequency oscillators

type Lfo = Sig

Low frequency oscillator

lfo :: (Sig -> Sig) -> Sig -> Sig -> Sig

Low frequency oscillator

lfo shape depth rate

Detune

detune :: Sig -> (Sig -> a) -> Sig -> a

Scales the oscillator by frequency. That's how we can rise the pitch by 2 semitones and 15 cents:

detune (semitone 2 * cent 15) osc

Unision

multiHz :: Fractional a => Int -> Sig -> (Sig -> a) -> Sig -> a

Unision by Hertz. It creates n oscillators that are playing the same pitch slightly detuned. The oscillatos's pitch is evenly distributed in Hz.

multiHz numberOfUnits amountHz wave

multiCent :: Fractional a => Int -> Sig -> (Sig -> a) -> Sig -> a

Unision by Cents. It creates n oscillators that are playing the same pitch slightly detuned. The oscillatos's pitch is evenly distributed in cents.

multiCent numberOfUnits amountCent wave

multiRnd :: Fractional a => Int -> Sig -> (Sig -> a) -> Sig -> SE a

Oscillators are detuned randomly in the given interval.

multiRnd numberOfUnits amountCent wave

multiGauss :: Fractional a => Int -> Sig -> (Sig -> a) -> Sig -> SE a

Oscillators are detuned randomly with Gauss distribution in the given interval.

multiGauss numberOfUnits amountCent wave

multiRndSE :: Fractional a => Int -> Sig -> (Sig -> SE a) -> Sig -> SE a

Oscillators are detuned randomly in the given interval. Useful for waves that return a signals with Side Effects.

multiRnd numberOfUnits amountCent wave

multiGaussSE :: Fractional a => Int -> Sig -> (Sig -> SE a) -> Sig -> SE a

Oscillators are detuned randomly with Gauss distribution in the given interval. Useful for waves that return a signals with Side Effects.

multiGauss numberOfUnits amountCent wave

Random splines

urspline :: Sig -> Sig -> SE Sig

Unipolar random splines. It generates the splines with unipolar output (ranges from 0 to 1). Arguments affect the frequency for generation of new values.

urspline cpsMin cpsMax

birspline :: Sig -> Sig -> SE Sig

Bipolar random splines. It generates the splines with bipolar output (ranges from -1 to 1). Arguments affect the frequency for generation of new values.

birspline cpsMin cpsMax

Buzzes

buz :: Sig -> Sig -> Sig

Output is a set of harmonically related sine partials.

buz numOfHarmonics frequency

gbuz :: (Sig, Sig) -> Sig -> Sig -> Sig

Output is a set of harmonically related cosine partials.

gbuz (minHarm, maxHarm) ratio frequency

buz' :: D -> Sig -> Sig -> Sig

Buz with phase

gbuz' :: D -> (Sig, Sig) -> Sig -> Sig -> Sig

Gbuz with phase