radio95/fm95
0
1
Fork 0
mirror of https://github.com/radio95-rnt/fm95.git synced 2026-02-27 11:33:54 +01:00
Code Issues Activity

refactor filter functions and update FM modulator logic

Browse Source
This commit is contained in:
KubaPro010
2025-03-08 19:53:59 +01:00
parent 6acb8cd5da
commit 90fabff616
5 changed files with 12 additions and 40 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
lib/filters.h
View File

@@ -21,9 +21,7 @@ typedef struct {
float z1, z2;
} BiquadFilter;
void init_lpf(BiquadFilter* filter, float cutoffFreq, float qFactor, float sampleRate);
void init_hpf(BiquadFilter* filter, float cutoffFreq, float qFactor, float sampleRate);
void init_bpf(BiquadFilter* filter, float centerFreq, float qFactor, float sampleRate);
float apply_frequency_filter(BiquadFilter* filter, float input);
float apply_biquad(BiquadFilter* filter, float input);
float hard_clip(float sample, float threshold);
float voltage_db_to_voltage(float db);