arduino-audio-tools
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Hann FFT Window function. More...
#include <FFTWindows.h>
Public Member Functions | |
virtual void | begin (int samples) |
Setup the window function providing the fft length. | |
float | factor (int idx) |
Provides the multipication factor at the indicated position. The result is symetirically mirrored around the center. | |
float | factor_internal (int idx) |
int | samples () |
Provides the number of samples (fft length) | |
Protected Member Functions | |
float | ratio (int idx) |
Protected Attributes | |
const float | fourPi = 12.56637061f |
int | i_half_samples = 0 |
int | i_samples = 0 |
float | samples_minus_1 = 0.0f |
const float | sixPi = 18.84955593f |
const float | twoPi = 6.28318531f |
Hann FFT Window function.