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Code Issues Activity

try to make rds2 use the pilot osc

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This commit is contained in:
KubaPro010
2025-03-23 09:15:30 +01:00
parent 24a2b02fd7
commit 6d0062e8c8
4 changed files with 12 additions and 12 deletions
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10
src/fm95.c
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@@ -11,7 +11,7 @@
#define DEFAULT_CLIPPER_THRESHOLD 1.0f
#define DEFAULT_SCA_FREQUENCY 67000.0f
#define DEFAULT_SCA_DEVIATION 7000.0f
#define DEFAULT_SCA_CLIPPER_THRESHOLD 1.0f // Full deviation, if you set this to 0.5 then you may as well set the deviation to 3.5k
#define DEFAULT_SCA_CLIPPER_THRESHOLD 1.0f
#define DEFAULT_PREEMPHASIS_TAU 50e-6 // Europe, the freedomers use 75µs
#include "../lib/constants.h"
@@ -39,7 +39,7 @@
#define PILOT_VOLUME 0.09f // 19 KHz Pilot
#define STEREO_VOLUME 0.45f // L-R signal, should be same as MONO
#define RDS_VOLUME 0.075f // RDS Volume, after dsb-sc
#define RDS2_VOLUME 0.05f // RDS2 Volume
#define RDS2_VOLUME 0.075f // RDS2 Volume
#define SCA_VOLUME 0.1f // FM SCA signal, 10%
#define MPX_VOLUME 1.0f // Passtrough
#define MPX_CLIPPER_THRESHOLD 1.0f
@@ -414,9 +414,6 @@ int main(int argc, char **argv) {
ResistorCapacitor preemp_l, preemp_r;
init_preemphasis(&preemp_l, preemphasis_tau, sample_rate);
init_preemphasis(&preemp_r, preemphasis_tau, sample_rate);
Oscillator rds2_osc;
init_oscillator(&rds2_osc, 66500, sample_rate);
// #endregion
signal(SIGINT, stop);
@@ -425,6 +422,7 @@ int main(int argc, char **argv) {
int pulse_error;
float audio_stereo_input[BUFFER_SIZE*2];
float rds1_rds2_in[BUFFER_SIZE*2] = {0};
float rds1_in[BUFFER_SIZE] = {0};
float rds2_in[BUFFER_SIZE] = {0};
@@ -494,7 +492,7 @@ int main(int argc, char **argv) {
float rds_carrier = get_oscillator_sin_multiplier_ni(&osc, 3);
output[i] += (current_rds_in*rds_carrier)*RDS_VOLUME;
if(!sca_on) {
float rds2_carrier_66 = get_oscillator_sin_sample(&rds2_osc);
float rds2_carrier_66 = get_oscillator_cos_multiplier_ni(&osc, 3.5f);
output[i] += (current_rds2_in*rds2_carrier_66)*RDS2_VOLUME;
}
}