JUCE: dsp::Chorus< SampleType > Class Template Reference

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dsp::Chorus< SampleType > Class Template Reference
juce_dsp » widgets

A simple chorus DSP widget that modulates the delay of a delay line in order to create sweeping notches in the magnitude frequency response. More...

`#include <juce_Chorus.h>`

## Public Member Functions
| Chorus ()
| Constructor.
void | setRate (SampleType newRateHz)
| Sets the rate (in Hz) of the LFO modulating the chorus delay line.
void | setDepth (SampleType newDepth)
| Sets the volume of the LFO modulating the chorus delay line (between 0 and 1).
void | setCentreDelay (SampleType newDelayMs)
| Sets the centre delay in milliseconds of the chorus delay line modulation.
void | setFeedback (SampleType newFeedback)
| Sets the feedback volume (between -1 and 1) of the chorus delay line.
void | setMix (SampleType newMix)
| Sets the amount of dry and wet signal in the output of the chorus (between 0 for full dry and 1 for full wet).
void | prepare (const ProcessSpec &spec)
| Initialises the processor.
void | reset ()
| Resets the internal state variables of the processor.
template<typename ProcessContext >
void | process (const ProcessContext &context) noexcept
| Processes the input and output samples supplied in the processing context.

## Detailed Description

template<typename SampleType>
class dsp::Chorus< SampleType >

A simple chorus DSP widget that modulates the delay of a delay line in order to create sweeping notches in the magnitude frequency response.

This audio effect can be controlled via the speed and depth of the LFO controlling the frequency response, a mix control, a feedback control, and the centre delay of the modulation.

Note: To get classic chorus sounds try to use a centre delay time around 7-8 ms with a low feedback volume and a low depth. This effect can also be used as a flanger with a lower centre delay time and a lot of feedback, and as a vibrato effect if the mix value is 1.

## Constructor & Destructor Documentation

## ◆ Chorus()

template<typename SampleType >

dsp::Chorus< SampleType >::Chorus | ( |  | ) |

Constructor.

## Member Function Documentation

## ◆ setRate()

template<typename SampleType >

void dsp::Chorus< SampleType >::setRate | ( | SampleType | newRateHz | ) |

Sets the rate (in Hz) of the LFO modulating the chorus delay line.

This rate must be lower than 100 Hz.

## ◆ setDepth()

template<typename SampleType >

void dsp::Chorus< SampleType >::setDepth | ( | SampleType | newDepth | ) |

Sets the volume of the LFO modulating the chorus delay line (between 0 and 1).

## ◆ setCentreDelay()

template<typename SampleType >

void dsp::Chorus< SampleType >::setCentreDelay | ( | SampleType | newDelayMs | ) |

Sets the centre delay in milliseconds of the chorus delay line modulation.

This delay must be between 1 and 100 ms.

## ◆ setFeedback()

template<typename SampleType >

void dsp::Chorus< SampleType >::setFeedback | ( | SampleType | newFeedback | ) |

Sets the feedback volume (between -1 and 1) of the chorus delay line.

Negative values can be used to get specific chorus sounds.

## ◆ setMix()

template<typename SampleType >

void dsp::Chorus< SampleType >::setMix | ( | SampleType | newMix | ) |

Sets the amount of dry and wet signal in the output of the chorus (between 0 for full dry and 1 for full wet).

## ◆ prepare()

template<typename SampleType >

void dsp::Chorus< SampleType >::prepare | ( | const ProcessSpec & | spec | ) |

Initialises the processor.

## ◆ reset()

template<typename SampleType >

void dsp::Chorus< SampleType >::reset | ( |  | ) |

Resets the internal state variables of the processor.

## ◆ process()

template<typename SampleType >
template<typename ProcessContext >

void dsp::Chorus< SampleType >::process | ( | const ProcessContext & | context | ) |
| noexcept

Processes the input and output samples supplied in the processing context.

References dsp::AudioBlock< SampleType >::getSubBlock(), AudioBuffer< Type >::getWritePointer(), jassert, and jmax().

The documentation for this class was generated from the following file:

- juce_Chorus.h