Plate reverb
A physical model of a steel plate reverb.
Based on Josep Comajuncosas' gong model, it uses 8 linear waveguides to model the plate.
size * scale);
}
for (pos=0; pos<4; pos++) {
waveguide_nl_set_fc(w[pos], LP_INNER * lpscale);
}
for (; pos<8; pos++) {
waveguide_nl_set_fc(w[pos], LP_OUTER * lpscale);
}
for (pos = 0; pos < sample_count; pos++) {
const float alpha = (out[0] + out[2] + out[4] + out[6]) * 0.5f
+ input[pos];
const float beta = (out[1] + out[9] + out[14]) * 0.666666666f;
const float gamma = (out[3] + out[8] + out[11]) * 0.666666666f;
const float delta = (out[5] + out[10] + out[13]) * 0.666666666f;
const float epsilon = (out[7] + out[12] + out[15]) * 0.666666666f;
RUN_WG(0, beta, alpha);
RUN_WG(1, gamma, alpha);
RUN_WG(2, delta, alpha);
RUN_WG(3, epsilon, alpha);
RUN_WG(4, beta, gamma);
RUN_WG(5, gamma, delta);
RUN_WG(6, delta, epsilon);
RUN_WG(7, epsilon, beta);
buffer_write(outputl[pos], beta * wet + input[pos] * (1.0f - wet));
buffer_write(outputr[pos], gamma * wet + input[pos] * (1.0f - wet));
}
]]>
w[i]);
}
free(plugin_data->w);
free(plugin_data->out);
]]>
Reverb time
Controls the RT60 time of the reverb. Actually controls the size of the plate. The mapping betwwen plate size and RT60 time is just a heuristic, so it's not very accurate.
Damping
Controls the degree that the surface of the plate is damped.
Dry/wet mix
Controls the balance between the dry and wet signals.
Input
Left output
Right output