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API > API/Runtime > API/Runtime/SignalProcessing > API/Runtime/SignalProcessing/DSP
Inheritance Hierarchy
- FAttackRelease
- FAttackReleaseSmoother
- FInlineEnvelopeFollower
References
| Module | SignalProcessing |
| Header | /Engine/Source/Runtime/SignalProcessing/Public/DSP/EnvelopeFollower.h |
| Include | #include "DSP/EnvelopeFollower.h" |
Syntax
class FAttackRelease
Remarks
Conversion between attack/release time and attack/release sample counts.
Constructors
| Type | Name | Description | |
|---|---|---|---|
 |
FAttackRelease
(
float InSampleRate, |
Construct an FAttackRelease object. |
Functions
| Type | Name | Description | |
|---|---|---|---|
  |
bool | GetAnalog () |
Get whether set to analog or digital time constant. (True is analog, false is digital) |
  |
float | Get the attack time in milliseconds. | |
  |
float | Get the attack time in samples. | |
  |
float | Get the release time in milliseconds. | |
  |
float | Get the release time in samples. | |
  |
float | Get the sample rate. | |
 |
void | SetAnalog
(
bool bInIsAnalog |
|
 |
void | SetAttackTime
(
float InAttackTimeMsec |
|
 |
void | SetReleaseTime
(
float InReleaseTimeMsec |
|
 |
void | SetSampleRate
(
float InSampleRate |
Constants
| Name | Description |
|---|---|
| AnalogTimeConstant | See https://en.wikipedia.org/wiki/RC_time_constant Time constants indicate how quickly the envelope follower responds to changes in input |
| DigitalTimeConstant |