added matlab

2025-08-21 07:27:52 +02:00
parent fd522e1b99
commit 64c6745c76
50 changed files with 2516 additions and 0 deletions
@@ -0,0 +1,34 @@
+function eval_lfo()
+
+L = 10000;
+fs = 44100;
+fstart = 40;
+fend = 400;
+df = (fend-fstart)/L;
+
+ip = 0 % phase of the first output sample in radians
+w = freq*pi / samplerate
+b1 = 2.0 * cos(w)
+
+% Init
+y1=sin(ip-w)
+y2=sin(ip-2*w)
+
+% Loop
+for n=1:L,
+    
+y0 = b1*y1 - y2
+y2 = y1
+y1 = y0
+
+
+close all
+
+figure;
+plot(1:L, vsaw, 1:L, vblit); grid;
+
+wavwrite(0.5*vtri, fs, 'tri.wav');
+wavwrite(0.5*vsqr, fs, 'sqr.wav');
+wavwrite(0.5*vsaw, fs, 'saw.wav');
+wavwrite(0.5*vblit, fs, 'blit.wav');
+