ProtoTracer/FFTFilter_8cpp_source.html

#include "FFTFilter.h"


FFTFilter::FFTFilter() {}


float FFTFilter::GetOutput() {

    return outputValue;

}


float FFTFilter::Filter(float value) {

    float valueAbs = fabs(value);

    float normalized = valueAbs - minKF.Filter(valueAbs);


    outputValue = Mathematics::Constrain(normalized * 2.0f, 0.0f, 1.0f);


    return outputValue;

}


FFTFilter.h
Provides the FFTFilter class for processing and normalizing FFT data.

FFTFilter::minKF
RunningAverageFilter< 20 > minKF
Running average filter for baseline normalization.
Definition FFTFilter.h:28

FFTFilter::GetOutput
float GetOutput()
Retrieves the current filtered and normalized output value.
Definition FFTFilter.cpp:5

FFTFilter::outputValue
float outputValue
Stores the most recent filtered output value.
Definition FFTFilter.h:29

FFTFilter::FFTFilter
FFTFilter()
Constructs an FFTFilter instance with default configurations.
Definition FFTFilter.cpp:3

FFTFilter::Filter
float Filter(float value)
Filters and normalizes the input value for FFT data processing.
Definition FFTFilter.cpp:9

Mathematics::Constrain
static T Constrain(T value, T minimum, T maximum)
Constrains a value between minimum and maximum.

RunningAverageFilter::Filter
float Filter(float value)
Filters the input value using the running average.