On 25/02/16 22:39, i go bananas wrote:

real-time zero-crossing detection with sample-rate precision.

if (incomingSignal > 0 && previousIncomingSignal < 0 || incomingSignal <
0 || previousIncomingSignal > 0) return 1;
else return 0;

fexpr~ if (($x1[0] > 0 && $x1[-1] < 0) || ($x1[0] < 0 && $x1[-1] > 0), 1, 0);

Cheers,

Chris.

--
http://mccormick.cx/

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