radio95/fm95
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optimize or just clean up

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This commit is contained in:
kuba
2025-06-09 20:13:43 +02:00
parent cad6080c07
commit 334688b785
7 changed files with 13 additions and 35 deletions
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dsp/fm_modulator.c
-16
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@@ -12,20 +12,4 @@ float modulate_fm(FMModulator *fm, float sample) {
fm->osc_phase += (M_2PI * inst_freq) / fm->sample_rate;
fm->osc_phase -= (fm->osc_phase >= M_2PI) ? M_2PI : 0.0f;
return sinf(fm->osc_phase);
}
void init_refrenced_fm_modulator(RefrencedFMModulator* fm, Oscillator* osc, float deviation) {
fm->deviation = deviation;
fm->osc = osc;
}
float refrenced_modulate_fm(RefrencedFMModulator* fm, float sample, float phase_multiplier) {
float inst_freq = sample * fm->deviation;
float phase = (fm->osc->phase * phase_multiplier) + ((M_2PI * inst_freq) / fm->osc->sample_rate);
if (phase >= M_2PI) {
phase -= M_2PI;
}
return sinf(phase);
}