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Code Issues Activity

turn lpf and emphasis into a common rc

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This commit is contained in:
KubaPro010
2025-01-21 14:32:50 +01:00
parent 1fef2f7598
commit 3ac9d67e3d
12 changed files with 40 additions and 45 deletions
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6
src/crosby_stereo_coder.c
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@@ -122,9 +122,9 @@ int main() {
Oscillator osc;
init_oscillator(&osc, 50000.0, SAMPLE_RATE);
#ifdef PREEMPHASIS
Emphasis preemp_l, preemp_r;
init_emphasis(&preemp_l, PREEMPHASIS_TAU, SAMPLE_RATE);
init_emphasis(&preemp_r, PREEMPHASIS_TAU, SAMPLE_RATE);
ResistorCapacitor preemp_l, preemp_r;
init_rc(&preemp_l, PREEMPHASIS_TAU, SAMPLE_RATE);
init_rc(&preemp_r, PREEMPHASIS_TAU, SAMPLE_RATE);
#endif
#ifdef LPF
LowPassFilter lpf_l, lpf_r;

4
src/mono_passthrough.c
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@@ -104,8 +104,8 @@ int main() {
}
#ifdef PREEMPHASIS
Emphasis preemp;
init_emphasis(&preemp, PREEMPHASIS_TAU, SAMPLE_RATE);
ResistorCapacitor preemp;
init_rc(&preemp, PREEMPHASIS_TAU, SAMPLE_RATE);
#endif
#ifdef LPF
LowPassFilter lpf;

2
src/options.h
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@@ -1,4 +1,4 @@
// #define PREEMPHASIS
#define PREEMPHASIS
// #define LPF
#define buffer_maxlength 12288

6
src/polar_stereo_coder.c
View File

@@ -121,9 +121,9 @@ int main() {
Oscillator stereo_osc;
init_oscillator(&stereo_osc, 31250.0, SAMPLE_RATE);
#ifdef PREEMPHASIS
Emphasis preemp_l, preemp_r;
init_emphasis(&preemp_l, PREEMPHASIS_TAU, SAMPLE_RATE);
init_emphasis(&preemp_r, PREEMPHASIS_TAU, SAMPLE_RATE);
ResistorCapacitor preemp_l, preemp_r;
init_rc(&preemp_l, PREEMPHASIS_TAU, SAMPLE_RATE);
init_rc(&preemp_r, PREEMPHASIS_TAU, SAMPLE_RATE);
#endif
#ifdef LPF
LowPassFilter lpf_l, lpf_r;

4
src/sca_mod.c
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@@ -112,8 +112,8 @@ int main() {
FMModulator mod;
init_fm_modulator(&mod, FREQUENCY, DEVIATION, SAMPLE_RATE);
#ifdef PREEMPHASIS
Emphasis preemp;
init_emphasis(&preemp, PREEMPHASIS_TAU, SAMPLE_RATE);
ResistorCapacitor preemp;
init_rc(&preemp, PREEMPHASIS_TAU, SAMPLE_RATE);
#endif
#ifdef LPF
LowPassFilter lpf;

6
src/ssb_stereo_coder.c
View File

@@ -128,9 +128,9 @@ int main() {
DelayLine monoDelay;
init_delay_line(&monoDelay, 99);
#ifdef PREEMPHASIS
Emphasis preemp_l, preemp_r;
init_emphasis(&preemp_l, PREEMPHASIS_TAU, SAMPLE_RATE);
init_emphasis(&preemp_r, PREEMPHASIS_TAU, SAMPLE_RATE);
ResistorCapacitor preemp_l, preemp_r;
init_rc(&preemp_l, PREEMPHASIS_TAU, SAMPLE_RATE);
init_rc(&preemp_r, PREEMPHASIS_TAU, SAMPLE_RATE);
#endif
#ifdef LPF
LowPassFilter lpf_l, lpf_r;

6
src/stereo_coder.c
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@@ -122,9 +122,9 @@ int main() {
Oscillator pilot_osc;
init_oscillator(&pilot_osc, 19000.0, SAMPLE_RATE); // Pilot, it's there to indicate stereo and as a refrence signal with the stereo carrier
#ifdef PREEMPHASIS
Emphasis preemp_l, preemp_r;
init_emphasis(&preemp_l, PREEMPHASIS_TAU, SAMPLE_RATE);
init_emphasis(&preemp_r, PREEMPHASIS_TAU, SAMPLE_RATE);
ResistorCapacitor preemp_l, preemp_r;
init_rc(&preemp_l, PREEMPHASIS_TAU, SAMPLE_RATE);
init_rc(&preemp_r, PREEMPHASIS_TAU, SAMPLE_RATE);
#endif
#ifdef LPF
LowPassFilter lpf_l, lpf_r;

6
src/stereo_sca_mod.c
View File

@@ -124,9 +124,9 @@ int main() {
init_fm_modulator(&mod_mono, 67000, 6000, SAMPLE_RATE);
init_fm_modulator(&mod_stereo, 80000, 6000, SAMPLE_RATE);
#ifdef PREEMPHASIS
Emphasis preemp_l, preemp_r;
init_emphasis(&preemp_l, PREEMPHASIS_TAU, SAMPLE_RATE);
init_emphasis(&preemp_r, PREEMPHASIS_TAU, SAMPLE_RATE);
ResistorCapacitor preemp_l, preemp_r;
init_rc(&preemp_l, PREEMPHASIS_TAU, SAMPLE_RATE);
init_rc(&preemp_r, PREEMPHASIS_TAU, SAMPLE_RATE);
#endif
#ifdef LPF
LowPassFilter lpf_l, lpf_r;