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  3. FDynamicDelayAPF

FDynamicDelayAPF

All Pass Filter with a long fractional delay which can be set per a sample.

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

References

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

Syntax

class FDynamicDelayAPF

Remarks

All Pass Filter with a long fractional delay which can be set per a sample. This filter is specifically designed for reverb applications where filter delay lines are long.

Constructors

  Type Name Description
Public function  

FDynamicDelayAPF ( float InG,
int32 InMinDelay,
int32 InMaxDelay,
int32 InMaxNumInternalBufferSamples,
float InSampleRate
)

 InG is the filter coefficient used in the long delay all pass filter.

Destructors

  Type Name Description
Public function   Destructor.

Functions

  Type Name Description
Public function void

ProcessAudio ( const FAlignedFloatBuffer& InSamples,
const FAlignedFloatBuffer& InDelays,
FAlignedFloatBuffer& OutSamples
)

 Processes InSamples through the all pass filter and populates OutSamples with the filter output.
Protected function void

ProcessAudioBlock ( const float* InSamples,
const FAlignedFloatBuffer& InFractionalDelays,
const int32 InNum,
float* OutSamples
)

 Process one block of audio.
Public function void

Reset ()

 Zeros the internal delay line.
Public function void

SetEaseTimeInSec ( float InEaseTimeInSec
)

  
Public function void

SetG ( float InG
)

 Set the APF feedback/feedforward gain coefficient.

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