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  3. FDelayStereo

FDelayStereo

API > API/Runtime > API/Runtime/SignalProcessing > API/Runtime/SignalProcessing/DSP

References

   
Module SignalProcessing
Header /Engine/Source/Runtime/SignalProcessing/Public/DSP/DelayStereo.h
Include #include "DSP/DelayStereo.h"

Syntax

class FDelayStereo

Variables

  Type Name Description
Protected variable TArray< FBiquadFilter > BiquadFilters Biquad filter per channel to feed the delay output through.
Protected variable bool bIsFilterEnabled  
Protected variable bool bIsInit If the delay has started processing yet.
Protected variable EStereoDelayMode::Type DelayMode What mode the stereo delay is in.
Protected variable float DelayRatio How much to shift the delays from each other.
Protected variable TArray< FDelay > Delays Delay lines per channel.
Protected variable float DelayTimeMsec Amount of delay time in msec.
Protected variable float DryLevel The amount of dry level on the output.
Protected variable float Feedback How much delay feedback to use.
Protected variable float FilterFreq Filter data.
Protected variable float FilterQ  
Protected variable EBiquadFilter::Type FilterType  
Protected variable int32 NumChannels The number of channels to use (will sum mono)
Protected variable float WetLevel The amount of wet level on the output.

Constructors

  Type Name Description
Public function    

Destructors

  Type Name Description
Public function    

Functions

  Type Name Description
Public function Const EStereoDelayMode::Type

GetMode ()

 Gets the current stereo dealy mode.
Public function void

Init ( const float InSampleRate,
const int32 InNumChannels,
const float InDelayLengthSec
)

 Initializes the stereo delay with given sample rate and default max delay length.
Public function void

ProcessAudio ( const float* InBuffer,
const int32 InNumSamples,
float* OutBuffer
)

 Process a buffer of audio.
Public function void

ProcessAudioFrame ( const float* InFrame,
float* OutFrame
)

 Process a single frame of audio.
Public function void

Reset ()

 Resets the stereo delay state.
Public function void

SetDelayRatio ( const float InDelayRatio
)

 Sets the delay ratio (scales difference between left and right stereo delays)
Public function void

SetDelayTimeMsec ( const float InDelayTimeMsec
)

 Sets the delay time in msec.
Public function void

SetDryLevel ( const float InDryLevel
)

 Sets the amount of the effect to mix in the output.
Public function void

SetFeedback ( const float InFeedback
)

 Sets the feedback amount.
Public function void

SetFilterEnabled ( bool bInEnabled
)

 Sets whether or not the filter is enabled.
Public function void

SetFilterSettings ( EBiquadFilter::Type InFilterType,
const float InCutoffFrequency,
const float InQ
)

 Sets the filter settings.
Public function void

SetMode ( const EStereoDelayMode::Type InMode
)

 Sets which delay stereo mode to use.
Public function void

SetWetLevel ( const float InWetLevel
)

 Sets the amount of the effect to mix in the output.
Protected function void Updates the delays based on recent parameters.

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