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// This file is part of the 64k demo project.
// It implements the Hamming window function for spectral processing.
// Used to reduce spectral leakage during DCT operations.
#include "window.h"
#include <math.h>
void hamming_window_512(float *window) {
const float PI = 3.14159265358979323846f;
for (int i = 0; i < WINDOW_SIZE; ++i) {
window[i] =
0.54f - 0.46f * cosf(2.0f * PI * (float)i / (float)(WINDOW_SIZE - 1));
}
}
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