add TinySpHEAR description to microphone simulation file

mic_array_sim_dfr.m

@@ -179,6 +179,13 @@ function M = MIC_ARRAY_Tetra(radius, alpha1)
     M.a2b = [ones(size(M.o,1),1), sign(M.o)]';
 end
 
+%% TinySpHEAR prototype #1
+function M = MIC_ARRAY_TinySpHEAR()
+    % 
+    M = MIC_ARRAY_Tetra(0.96e-2, 0.66);
+    M.name = 'TinySpHEAR';
+end
+
 %% Calrec MkIV
 function M = MIC_ARRAY_CalrecMkIV()
     % original Calrec capsules 10.5 dB f/b ratio