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

update algorithm

Browse Source
This commit is contained in:
KubaPro010
2025-03-29 22:15:36 +01:00
parent e51b7e111a
commit 7d74b2b480
2 changed files with 4 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
lib/bs412.c
View File

@@ -7,7 +7,7 @@ void init_modulation_power_measure(MPXPowerMeasurement* mpx, int sample_rate) {
}
float measure_mpx(MPXPowerMeasurement* mpx, int deviation) {
mpx->sample += 10*log10f(deviation/19000.0f);
mpx->sample += 20*log10f(deviation/19000.0f);
float modulation_power = mpx->sample/mpx->i;
@@ -19,9 +19,9 @@ float measure_mpx(MPXPowerMeasurement* mpx, int deviation) {
}
float dbr_to_deviation(float dbr) {
return 19000.0f * powf(10.0f, dbr / 10.0f);
return 19000.0f * powf(10.0f, dbr / 20.0f);
}
float deviation_to_dbr(float deviation) {
return 10*log10f(deviation/19000.0f);
return 20*log10f(deviation/19000.0f);
}