radio95/fm95
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Code Issues Activity

halve the pilot freq again for future stream 2 rds2

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KubaPro010
2025-03-25 17:51:56 +01:00
parent f8305d1efe
commit 7fbe7ec5e3
1 changed files with 5 additions and 5 deletions
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10
src/fm95.c
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@@ -406,7 +406,7 @@ int main(int argc, char **argv) {
// #region Setup Filters/Modulaltors/Oscillators // #region Setup Filters/Modulaltors/Oscillators
Oscillator osc; Oscillator osc;
init_oscillator(&osc, polar_stereo ? 31250.0 : 9500, sample_rate); init_oscillator(&osc, polar_stereo ? 31250.0 : 4750, sample_rate);
FMModulator sca_mod; FMModulator sca_mod;
init_fm_modulator(&sca_mod, sca_frequency, sca_deviation, sample_rate); init_fm_modulator(&sca_mod, sca_frequency, sca_deviation, sample_rate);
@@ -478,21 +478,21 @@ int main(int argc, char **argv) {
output[i] = mono*MONO_VOLUME; output[i] = mono*MONO_VOLUME;
if(stereo) { if(stereo) {
float stereo = (ready_l - ready_r) / 2.0f; float stereo = (ready_l - ready_r) / 2.0f;
float stereo_carrier = get_oscillator_sin_multiplier_ni(&osc, polar_stereo ? 1 : 4); float stereo_carrier = get_oscillator_sin_multiplier_ni(&osc, polar_stereo ? 1 : 8);
if(polar_stereo) { if(polar_stereo) {
output[i] += ((stereo+0.2)*stereo_carrier)*STEREO_VOLUME; output[i] += ((stereo+0.2)*stereo_carrier)*STEREO_VOLUME;
} else { } else {
float pilot = get_oscillator_sin_multiplier_ni(&osc, 2); float pilot = get_oscillator_sin_multiplier_ni(&osc, 4);
output[i] += pilot*PILOT_VOLUME + output[i] += pilot*PILOT_VOLUME +
(stereo*stereo_carrier)*STEREO_VOLUME; (stereo*stereo_carrier)*STEREO_VOLUME;
} }
} }
if(rds_on && polar_stereo == 0) { if(rds_on && polar_stereo == 0) {
float rds_carrier = get_oscillator_sin_multiplier_ni(&osc, 6); float rds_carrier = get_oscillator_sin_multiplier_ni(&osc, 12);
output[i] += (current_rds_in*rds_carrier)*RDS_VOLUME; output[i] += (current_rds_in*rds_carrier)*RDS_VOLUME;
if(!sca_on) { if(!sca_on) {
float rds2_carrier_66 = get_oscillator_sin_multiplier_ni(&osc, 7); float rds2_carrier_66 = get_oscillator_sin_multiplier_ni(&osc, 14);
output[i] += (current_rds2_in*rds2_carrier_66)*RDS2_VOLUME; output[i] += (current_rds2_in*rds2_carrier_66)*RDS2_VOLUME;
} }
} }