radio95/fm95
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Code Issues Activity

No hard clip

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kuba
2026-04-28 20:23:10 +02:00
parent 38f357183c
commit 63842c44f4
1 changed files with 1 additions and 2 deletions
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src/fm95.c
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@@ -25,7 +25,6 @@
static volatile sig_atomic_t to_run = 1; static volatile sig_atomic_t to_run = 1;
static volatile sig_atomic_t to_reload = 0; static volatile sig_atomic_t to_reload = 0;
inline float hard_clip(float sample, float threshold) { return fmaxf(-threshold, fminf(threshold, sample)); }
static inline float soft_clip(float x) { static inline float soft_clip(float x) {
return tanhf(x); return tanhf(x);
} }
@@ -247,7 +246,7 @@ int run_fm95(const FM95_Config config, FM95_Runtime* runtime) {
mpx = bs412_compress(&runtime->bs412, audio, mpx+mpx_in[i]); mpx = bs412_compress(&runtime->bs412, audio, mpx+mpx_in[i]);
output[i] = hard_clip(soft_clip(mpx), 1.0)*config.master_volume; // Ensure peak deviation of 75 khz (or the set deviation), assuming we're calibrated correctly output[i] = soft_clip(mpx)*config.master_volume; // Ensure peak deviation of 75 khz (or the set deviation), assuming we're calibrated correctly
advance_oscillator(&runtime->osc); advance_oscillator(&runtime->osc);
} }