radio95/fm95
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idk what this is

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kuba
2025-03-29 21:04:12 +01:00
parent 8c9c721739
commit 9a57e54eed
1 changed files with 2 additions and 7 deletions
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src/fm95.c
+2 -7
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@@ -437,9 +437,8 @@ int main(int argc, char **argv) {
init_preemphasis(&preemp_l, preemphasis_tau, sample_rate); init_preemphasis(&preemp_l, preemphasis_tau, sample_rate);
init_preemphasis(&preemp_r, preemphasis_tau, sample_rate); init_preemphasis(&preemp_r, preemphasis_tau, sample_rate);
MPXPowerMeasurement power, sound_power; MPXPowerMeasurement power;
init_modulation_power_measure(&power, sample_rate); init_modulation_power_measure(&power, sample_rate);
init_modulation_power_measure(&sound_power, sample_rate);
signal(SIGINT, stop); signal(SIGINT, stop);
signal(SIGTERM, stop); signal(SIGTERM, stop);
@@ -530,11 +529,7 @@ int main(int argc, char **argv) {
if(sca_on) mpx += modulate_fm(&sca_mod, hard_clip(current_sca_in, sca_clipper_threshold))*SCA_VOLUME; if(sca_on) mpx += modulate_fm(&sca_mod, hard_clip(current_sca_in, sca_clipper_threshold))*SCA_VOLUME;
float mpower = measure_mpx(&power, (sound+mpx)*75000); float mpower = measure_mpx(&power, (sound+mpx)*75000);
float spower = measure_mpx(&sound_power, sound*75000); sound *= dbr_to_deviation(mpower/mpx_power)/75000/(sound/2);
if(mpower > mpx_power) {
float sound_attuenation = (dbr_to_deviation(mpower)-dbr_to_deviation(spower))/75000;
sound *= sound_attuenation;
}
output[i] = (sound+mpx)*master_volume; output[i] = (sound+mpx)*master_volume;
if(rds_on || stereo) advance_oscillator(&osc); if(rds_on || stereo) advance_oscillator(&osc);