Returns the frequency response at a given FFT index

Namespace: NDXVUMeterNET
Assembly: DXVUMeterNETGDI (in DXVUMeterNETGDI.dll) Version: 3.0.4021.33606 (3.1.0.0)

Syntax

C#
public double FFTPowerFromIndex(
	int fftIdx,
	DXVUMeterNETGDI..::..FFTChannelConstants channel
)
Visual Basic
Public Function FFTPowerFromIndex ( _
	fftIdx As Integer, _
	channel As DXVUMeterNETGDI..::..FFTChannelConstants _
) As Double
Visual C++
public:
double FFTPowerFromIndex(
	int fftIdx, 
	DXVUMeterNETGDI..::..FFTChannelConstants channel
)

Parameters

fftIdx
Type: System..::..Int32
The index at within the FFT transform
channel
Type: NDXVUMeterNET..::..DXVUMeterNETGDI..::..FFTChannelConstants
One of the values from the FFTChannelConstants enumerator

Return Value

Returns the power response for the given FFT index

Remarks

The power response is calculated using the following formula: √(Real² + Imaginary²)

See Also