D6

6x6 Rochebois dispertion matrix
Author: Smashed Transistors
License: LGPL
Github: tiar/FDN/D6.axo

Inlets

frac32buffer in0

frac32buffer in1

frac32buffer in2

frac32buffer in3

frac32buffer in4

frac32buffer in5

Outlets

frac32buffer out0

frac32buffer out1

frac32buffer out2

frac32buffer out3

frac32buffer out4

frac32buffer out5

Audio Rate
// T.Rochebois 97
//   0 1 2 3 4 5
// 0 . + + + + +
// 1 + . - - + +
// 2 + - . + - +
// 3 + - + . + -
// 4 + + - + . -
// 5 + + + - - .

// 18+ 6*
// coef = 1/sqrt(5) q32

int32_t coef = 1920767766;
int32_t tA = inlet_in4 + inlet_in5;
int32_t tB = inlet_in2 + inlet_in3;
outlet_out0 = ___SMMUL(coef, tA + tB + inlet_in1);
outlet_out1 = ___SMMUL(coef, tA - tB + inlet_in0);

tA = inlet_in0 - inlet_in1;
tB = inlet_in5 - inlet_in4;
outlet_out2 = ___SMMUL(coef, tA + tB + inlet_in3);
outlet_out3 = ___SMMUL(coef, tA - tB + inlet_in2);

tA = inlet_in0 + inlet_in1;
tB = inlet_in3 - inlet_in2;
outlet_out4 = ___SMMUL(coef, tA + tB - inlet_in5);
outlet_out5 = ___SMMUL(coef, tA - tB - inlet_in4);

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