different way of antialiasing
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8e9b6adf86
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152b0c62a5
@ -55,14 +55,39 @@ void Voice::off() {
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}
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void Voice::run(Synth &s, float *buffer, uint32_t samples) {
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float y;
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env = ((target - env) * 0.01) + env;
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float y, t;
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env = ((target - env) * 0.1) + env;
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for (uint32_t i = 0; i < samples; i++) {
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phase += omega;
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if (phase > 1) phase -= 1;
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y = (2 * phase) - 1;
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y -= blep(phase, omega);
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buffer[i] += (0.25 * y * env) * s.p.saw;
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// prepare the delay slot
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out = delay;
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delay = 0;
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phase += omega;
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//delay = 1-(2*phase);
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if (phase > 1.0f) {
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phase -= 1.0f;
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t = phase / omega;
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out -= (t*t*t) - 0.5 * (t*t*t*t);
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//delay -= (2 * t) - (t * t) - 1;
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t = 1-(phase / omega);
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delay = (t*t*t) - 0.5 * (t*t*t*t);
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//out -= (2*t) + (t*t) + 1;
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}
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delay += (phase);
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y = 0.5 * (out-0.5) * env;// * s.p.saw;
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// y -= blep(phase, omega);
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buffer[i] += y;// (0.25 * y * env) * s.p.saw;
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}
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}
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@ -30,7 +30,7 @@ class Patch {
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class Voice {
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public:
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uint8_t note;
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uint8_t note = 72;
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void on(uint32_t key, bool reset);
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@ -50,6 +50,8 @@ class Voice {
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K_SUSTAIN } keyState = K_OFF;
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float phase, omega;
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float env, target;
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float out, delay;
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};
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class Synth {
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