FAttackRelease | Unreal Engine 5.7 Documentation

Conversion between attack/release time and attack/release sample counts.


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

Syntax

class FAttackRelease

Name	Remarks	Include Path	Unreal Specifiers
FAttackRelease ( float InSampleRate, float InAttackTimeMsec, float InReleaseTimeMsec, bool bInIsAnalog )	Construct an FAttackRelease object.	DSP/EnvelopeFollower.h

Name	Type	Remarks	Include Path
AnalogTimeConstant	float	See https://en.wikipedia.org/wiki/RC_time_constant Time constants indicate how quickly the envelope follower responds to changes in input	DSP/EnvelopeFollower.h
DigitalTimeConstant	float		DSP/EnvelopeFollower.h

Name	Type	Include Path
AttackTimeMsec	float	DSP/EnvelopeFollower.h
AttackTimeSamples	float	DSP/EnvelopeFollower.h
bIsAnalog	bool	DSP/EnvelopeFollower.h
ReleaseTimeMsec	float	DSP/EnvelopeFollower.h
ReleaseTimeSamples	float	DSP/EnvelopeFollower.h
SampleRate	float	DSP/EnvelopeFollower.h

Name	Remarks	Include Path
bool GetAnalog()	Get whether set to analog or digital time constant. (True is analog, false is digital)	DSP/EnvelopeFollower.h
float GetAttackTimeMsec()	Get the attack time in milliseconds.	DSP/EnvelopeFollower.h
float GetAttackTimeSamples()	Get the attack time in samples.	DSP/EnvelopeFollower.h
float GetReleaseTimeMsec()	Get the release time in milliseconds.	DSP/EnvelopeFollower.h
float GetReleaseTimeSamples()	Get the release time in samples.	DSP/EnvelopeFollower.h
float GetSampleRate()	Get the sample rate.	DSP/EnvelopeFollower.h
void SetAnalog ( bool bInIsAnalog )		DSP/EnvelopeFollower.h
void SetAttackTime ( float InAttackTimeMsec )		DSP/EnvelopeFollower.h
void SetReleaseTime ( float InReleaseTimeMsec )		DSP/EnvelopeFollower.h

Name	Remarks	Include Path	Unreal Specifiers
void SetSampleRate ( float InSampleRate )		DSP/EnvelopeFollower.h