start modularization

2026-08-01 01:09:15 +02:00 · 2025-06-21 15:06:27 +02:00
parent 33ffcd9682
commit 16f0a53c05
18 changed files with 79 additions and 43 deletions
@@ -0,0 +1,14 @@
+#pragma once
+
+#include <math.h>
+#include "../lib/constants.h"
+
+typedef struct
+{
+	float alpha;
+	float prev_sample;
+	float gain;
+} ResistorCapacitor;
+
+void init_preemphasis(ResistorCapacitor *filter, float tau, float sample_rate, float ref_freq);
+float apply_preemphasis(ResistorCapacitor *filter, float sample);