FTapDelayPitchShifter | Unreal Engine 5.7 Documentation

Class which reads doppler-shifted tap from a delay buffer.


Name	FTapDelayPitchShifter
Type	class
Header File	/Engine/Source/Runtime/SignalProcessing/Public/DSP/TapDelayPitchShifter.h
Include Path	#include "DSP/TapDelayPitchShifter.h"

Syntax

class FTapDelayPitchShifter

Name	Remarks	Include Path	Unreal Specifiers
FTapDelayPitchShifter()	Constructor.	DSP/TapDelayPitchShifter.h

Name	Remarks	Include Path	Unreal Specifiers
virtual ~FTapDelayPitchShifter()	Virtual Destructor.	DSP/TapDelayPitchShifter.h

Name	Type	Include Path
MaxAbsPitchShiftInOctaves	float	DSP/TapDelayPitchShifter.h
MaxDelayLength	float	DSP/TapDelayPitchShifter.h
MinDelayLength	float	DSP/TapDelayPitchShifter.h

Name	Type	Include Path
CurrentDelayLength	Audio::FExponentialEase	DSP/TapDelayPitchShifter.h
CurrentPitchShift	float	DSP/TapDelayPitchShifter.h
CurrentPitchShiftRatio	float	DSP/TapDelayPitchShifter.h
CurrentTargetDelayLength	float	DSP/TapDelayPitchShifter.h
PhasorPhase	float	DSP/TapDelayPitchShifter.h
PhasorPhaseIncrement	float	DSP/TapDelayPitchShifter.h
SampleRate	float	DSP/TapDelayPitchShifter.h

Name	Remarks	Include Path
void Init ( const float InSampleRate, const float InPitchShift, const float InDelayLength )	Initialization of the internal delay with given sample rate, pitch shift in semitones, and delay length in milliseconds.	DSP/TapDelayPitchShifter.h
void ProcessAudio ( Audio::FDelay& InDelayBuffer, const float* InAudioBuffer, const int32 InNumFrames, float* OutAudioBuffer )	Process whole block of audio reading to and writing from delay line from input buffer.	DSP/TapDelayPitchShifter.h
float ReadDopplerShiftedTapFromDelay ( const Audio::FDelay& InDelayBuffer, const float ReadOffsetMilliseconds )	Reads the next sample tap from the input delay buffer.	DSP/TapDelayPitchShifter.h
void SetDelayLength ( const float InDelayLength )	Sets the internal delay line length.	DSP/TapDelayPitchShifter.h
void SetPitchShift ( const float InPitchScaleSemitones )	Sets the pitch shift in semitones.	DSP/TapDelayPitchShifter.h
void SetPitchShiftRatio ( const float InPitchShiftRatio )	Sets the pitch shift in terms of a sample rate ratio.	DSP/TapDelayPitchShifter.h