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This commit is contained in:
Kuba
2025-08-08 22:51:08 +02:00
committed by GitHub
parent af44ad2448
commit 3192ba4dd4
1 changed files with 4 additions and 4 deletions
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8
filter/iir.c
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@@ -19,11 +19,11 @@ void tilt_init(TiltCorrectionFilter* filter, float alpha) {
// Leaky integrator for DC estimation: dc[n] = alpha*dc[n-1] + (1-alpha)*x[n] // Leaky integrator for DC estimation: dc[n] = alpha*dc[n-1] + (1-alpha)*x[n]
// Tilt correction: y[n] = x[n] - dc[n] // Tilt correction: y[n] = x[n] - dc[n]
if (correction_strength >= 1.0f) { if (alpha >= 1.0f) {
correction_strength = 0.99999f; alpha = 0.99999f;
} }
if (correction_strength < 0.0f) { if (alpha < 0.0f) {
correction_strength = 0.0f; alpha = 0.0f;
} }
filter->alpha = alpha; // Leaky integrator coefficient filter->alpha = alpha; // Leaky integrator coefficient