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> Unreal Engine API Reference > Plugins > MotoSynth > UMotoSynthSource

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UMotoSynthSource

[UMotoSynthSource](API\Plugins\MotoSynth\UMotoSynthSource) UAsset used to represent Imported MotoSynth Sources

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Inheritance Hierarchy

UObjectBase

UObjectBaseUtility

UObject

UMotoSynthSource

References

Module	MotoSynth
Header	/Engine/Plugins/Experimental/MotoSynth/Source/MotoSynth/Public/MotoSynthSourceAsset.h
Include	#include "MotoSynthSourceAsset.h"

Syntax

UCLASS()
class UMotoSynthSource : public UObject

Remarks

UMotoSynthSource UAsset used to represent Imported MotoSynth Sources

Variables

	Name	Description
Audio::FAligned...	AnalysisBuffer
FString	AnalysisInputFilePath	The path to write the audio analysis data (LPF and normalized asset)
bool	bConvertTo8Bit	Whether or not to convert this moto synth source to 8 bit on load to use less memory.
bool	bEnableDynamicsProcessorForAnalysis	Whether not to enable a dynamics processor to the analysis step.
bool	bEnableFilteringForAnalysis	Whether not to enable a low pass filter frequency before analyzing the audio file.
bool	bEnableNormalizationForAnalysis
bool	bWriteAnalysisInputToFile	Whether not to write the audio used for analysis to a wav file.
float	DownSampleFactor	Amount to scale down the sample rate of the source.
float	DynamicsKneeBandwidth
float	DynamicsProcessorAttackTimeMsec
float	DynamicsProcessorInputGainDb
float	DynamicsProcessorLookahead
float	DynamicsProcessorRatio
float	DynamicsProcessorReleaseTimeMsec
float	DynamicsProcessorThreshold
TArray< FGrainT...	GrainTable	Grain table containing information about how to granulate the source data buffer.
float	HighPassFilterFrequency	Whether not to enable a low pass filter frequency before analyzing the audio file.
float	LowPassFilterFrequency	Frequency of a low pass filter to apply before running grain table analysis.
FRPMEstimationP...	MotoSynthSineToneTest
FRuntimeFloatCu...	RPMCurve	A curve to define the RPM contour from the min and max estimated RPM Curve values are non-normalized and accurate to time
int32	RPMCycleCalibrationSample	A samples to use to calibrate when an engine cycle begins.
int32	RPMEstimationOctaveOffset
int32	RPMFirstCycleSampleEnd	The end of the first cycle sample. Cut the source file to start exactly on the cycle start.
float	RPMSynthVolume	Sets the volume of the RPM curve synth for testing RPM curve to source.
int32	SampleShiftOffset
TObjectPtr< USo...	SoundWaveSource	The source to use for the moto synth source.
uint32	SourceDataID	Data ID used to track the source data with the data manager.
TArray< int16 >	SourceDataPCM
int32	SourceSampleRate	Sample rate of the imported sound wave and the serialized data of the granulator.

Constructors

	Name	Description
	UMotoSynthSource()

Destructors

	Name	Description
	~UMotoSynthSource()

Functions

	Name	Description
void	BuildGrainTableByFFT()
void	BuildGrainTableByRPMEstimation()
void	DynamicsProcessForAnalysis()
void	FilterSourceDataForAnalysis()
float	GetCurrentRPMForSampleIndex ( int32 CurrentSampleIndex )
uint32	GetDataID()	Retrieves the data ID of the source in the moto synth data manager.
uint32	GetNextSourceID()
float	GetRuntimeMemoryUsageMB()	Retrieves the memory usage of this in MB that will be used at runtime (i.e. from data manager)
void	NormalizeForAnalysis()
void	PerformGrainTableAnalysis()
void	PlayToneMatch()
void	RegisterSourceData()
void	StopToneMatch()
void	UpdateSourceData()	Updates the source data from the associated USoundWave.
void	WriteAnalysisBufferToWaveFile()
void	WriteDebugDataToWaveFiles()
void	WriteGrainTableDataToWaveFile()

Overridden from UObject

	Name	Description
void	BeginDestroy()	Needed to remove the data entry in the data manager.
void	PostEditChangeProperty ( FPropertyChangedEvent& PropertyCha... )	Called when a property on this object has been modified externally
void	PostLoad()	Used to register data w/ the data manager.

Deprecated Variables

		Name	Description
	TArray< float >	SourceData_DEPRECATED	Data containing PCM audio of the imported source asset (filled out by the factory)