radio95/fm95
0
1
Fork 0
mirror of https://github.com/radio95-rnt/fm95.git synced 2026-02-27 03:23:54 +01:00
Code Issues Activity

changes with the volumes

Browse Source
This commit is contained in:
KubaPro010
2024-12-31 17:51:03 +01:00
parent 748d59e100
commit a41d8a9592
3 changed files with 8 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
src/crosby_stereo_encoder.c
View File

@@ -22,8 +22,9 @@
#define BUFFER_SIZE 512
#define CLIPPER_THRESHOLD 0.425 // Adjust this as needed
#define MONO_VOLUME 0.45f // L+R Signal
#define STEREO_VOLUME 0.35f // L-R signal
#define MONO_VOLUME 0.5f // L+R Signal
#define STEREO_VOLUME_AUDIO 0.5f // L-R signal (once demodulated)
#define STEREO_VOLUME_MODULATION 0.5f // L-R signal (on MPX)
#ifdef PREEMPHASIS
#define PREEMPHASIS_TAU 0.00005 // 50 microseconds, use 0.000075 if in america
@@ -179,10 +180,10 @@ int main() {
float mono = (current_left_input + current_right_input) / 2.0f; // Stereo to Mono
float stereo = (current_left_input - current_right_input) / 2.0f; // Also Stereo to Mono but a bit diffrent
change_oscillator_frequency(&osc, (50000+(stereo*15000)));
change_oscillator_frequency(&osc, (50000+((stereo*STEREO_VOLUME_AUDIO)*15000)));
mpx[i] = mono * MONO_VOLUME +
get_oscillator_sin_sample(&osc)*STEREO_VOLUME;
get_oscillator_sin_sample(&osc)*STEREO_VOLUME_MODULATION;
}
if (pa_simple_write(output_device, mpx, sizeof(mpx), NULL) < 0) {

4
src/quadro_encoder.c
View File

@@ -25,8 +25,8 @@
#define MONO_VOLUME 0.45f // L+R Signal
#define PILOT_VOLUME 0.0175f // 19 KHz Pilot
#define SIN38_VOLUME 0.35f
#define COS38_VOLUME 0.35f
#define SIN76_VOLUME 0.35f
#define COS38_VOLUME 0.05f
#define SIN76_VOLUME 0.05f
#ifdef PREEMPHASIS
#define PREEMPHASIS_TAU 0.00005 // 50 microseconds, use 0.000075 if in america

2
src/stereo_coder.c
View File

@@ -22,7 +22,7 @@
#define MONO_VOLUME 0.45f // L+R Signal
#define PILOT_VOLUME 0.0175f // 19 KHz Pilot
#define STEREO_VOLUME 0.35f // L-R signal
#define STEREO_VOLUME 0.45f // L-R signal
#ifdef PREEMPHASIS
#define PREEMPHASIS_TAU 0.00005 // 50 microseconds, use 0.000075 if in america