radio95/fm95
0
1
Fork 0
mirror of https://github.com/radio95-rnt/fm95.git synced 2026-02-26 19:23:51 +01:00
Code Issues Activity

change filter order (used to be preemp -> lpf -> agc, now is lpf -> agc -> preemp)

Browse Source
This commit is contained in:
KubaPro010
2025-07-10 20:28:52 +02:00
parent 55d0d72042
commit 779259012e
1 changed files with 4 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/fm95.c
View File

@@ -214,8 +214,7 @@ int run_fm95(const FM95_Config config, FM95_Runtime* runtime) {
float l = audio_stereo_input[2*i+0]*config.audio_preamp;
float r = audio_stereo_input[2*i+1]*config.audio_preamp;
if(config.preemphasis != 0) l = apply_preemphasis(&preemp_l, l);
if(config.preemphasis != 0) r = apply_preemphasis(&preemp_r, r);
if(config.lpf_cutoff != 0) iirfilt_rrrf_execute(lpf_l, l, &l);
if(config.lpf_cutoff != 0) iirfilt_rrrf_execute(lpf_r, r, &r);
@@ -223,6 +222,9 @@ int run_fm95(const FM95_Config config, FM95_Runtime* runtime) {
l *= agc_gain;
r *= agc_gain;
if(config.preemphasis != 0) l = apply_preemphasis(&preemp_l, l);
if(config.preemphasis != 0) r = apply_preemphasis(&preemp_r, r);
l = hard_clip(l*config.audio_volume, config.clipper_threshold);
r = hard_clip(r*config.audio_volume, config.clipper_threshold);