5 ms·
From 1 to 2 you get directionality. 2 to 3 improves directionality a great deal (it's basically a continuum from depression to pinhole eye).
by InclinedPlane 11y ago
From 1 to 2 you get directionality. 2 to 3 improves directionality a great deal (it's basically a continuum from depression to pinhole eye).