Crackle sound porblem

Hello, I seem to have a problem with my lightsaber. Until recently, there was no problem, but since sometime, even when using the same soundfont, there is a more crackling sound. When I googled it, I thought it might be a charging problem. Even after fully charging the battery, the problem persists.
I tried cleaning the speaker side and changing the volume, but the problem is the same. Is it a problem with the speaker itself? So should I replace the speakers?

How can I fix this

here is part of my top section

#include “proffieboard_v2_config.h”
#define NUM_BLADES 2
#define NUM_BUTTONS 2
#define VOLUME 1300
const unsigned int maxLedsPerStrip = 144;
#define ENABLE_WS2811
#define ENABLE_SD
#define FILTER_ORDER 8

I’m not sure why, but I deleted the tmp ini temp file and the sound returned to normal. Is this way right?

All solutions are good solutions, but it would be interesting to know what actually caused the issue.
Let us know if it happens again.

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