radio95/fm95
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yeah

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This commit is contained in:
KubaPro010
2024-12-30 12:49:41 +01:00
parent 6b9be41840
commit c42e0fba94
1 changed files with 3 additions and 4 deletions
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7
stereo_coder_rds.c
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@@ -43,7 +43,6 @@ void float_array_to_s16le(const float *input, int16_t *output, size_t num_sample
typedef struct {
float phase;
float phase_increment;
float quadrature_phase;
} Oscillator;
void init_oscillator(Oscillator *osc, float frequency, float sample_rate) {
@@ -51,9 +50,9 @@ void init_oscillator(Oscillator *osc, float frequency, float sample_rate) {
osc->phase_increment = (M_2PI * frequency) / sample_rate;
}
float get_next_sample(Oscillator *osc, int quadrature) {
float get_next_sample(Oscillator *osc, int cos) {
float sample;
if (quadrature) {
if (cos) {
sample = sinf(osc->phase);
osc->phase += osc->phase_increment;
if (osc->phase >= M_2PI) {
@@ -76,7 +75,7 @@ static void stop(int signum) {
}
int main() {
printf("STCode : Stereo encoder made by radio95 (with help of ChatGPT and Claude, thanks!)\n");
printf("STCode : Stereo encoder (*RDS) made by radio95 (with help of ChatGPT and Claude, thanks!)\n");
const float SAMPLE_RATE = 192000.0f; // Don't go lower than 176 KHz
const float PILOT_FREQ = 19000.0f;
const float STEREO_FREQ = 38000.0f;