--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/spandsp-0.0.3/spandsp-0.0.3/tests/echo_dump.m	Fri Jun 25 16:00:21 2010 +0200
@@ -0,0 +1,60 @@
+% echo_dump.m
+% David Rowe 23 Dec 2006
+%
+% Plots echo can dump file values
+
+load dump.txt
+load level.txt
+st = 1;
+en = length(dump);
+%st=8000*0+1; en=8000*2;
+tx = dump(st:en,1);
+rx = dump(st:en,2);
+ec = dump(st:en,4);
+Ltx = dump(st:en,5);
+Lrx = dump(st:en,6);
+Lec = dump(st:en,7);
+dtd = -9900 + 800*dump(st:en,8);
+adapt = -9900 + 800*dump(st:en,9);
+Lbgec = dump(st:en,10);
+
+figure(1);
+plot(tx,"r;tx;", rx,"g;rx;", ec,"b;ec;", dtd,"g;dtd;");
+%plot(tx,"r;tx;", rx,"g;rx;", dtd,"w;dtd;");
+axis([0 en-st -1E4 1E4]);
+
+%__gnuplot_set__ terminal png size 450,338
+%__gnuplot_set__ output "~/Desktop/fxo_oslec.png"
+%__gnuplot_set__ terminal png size 800,600
+%__gnuplot_set__ output "~/Desktop/fxo_oslec_large.png"
+%replot;
+
+LtxdB = 20*log10(Ltx+1);
+LrxdB = 20*log10(Lrx+1);
+LecdB = 20*log10(Lec+1);
+LbgecdB = 20*log10(Lbgec+1);
+
+figure(2);
+plot(LtxdB,"r;LtxdB;", LrxdB,"g;LrxdB;", LtxdB-LrxdB,"w;LtxdB-LrxdB;", LtxdB-LecdB,"b;LtxdB-LecdB;", 80+5*dump(st:en,9), "w;adapt;", LtxdB-LbgecdB,"c;LtxdB-LbgecdB;", 90+5*dump(st:en,8), "r;dtd;");
+axis([0 en-st 0 100]);
+grid;
+
+%__gnuplot_set__ terminal png size 800,600
+%__gnuplot_set__ output "~/Desktop/levels.png"
+%replot;
+
+figure(3);
+LRin = level(st:en,1);
+LSin = level(st:en,2);
+LSout = level(st:en,3);
+LSgen = level(st:en,4);
+axis([0 en-st -100 0]);
+plot(LRin,"r;LRindB;", LSin,"g;LSindB;", LSout,"w;LSoutdB;", LSgen,"b;LSgendB;");
+
+figure(4)
+plot(dump(st:en,11), "r;Pstates;")
+axis
+figure(5)
+plot(dump(st:en,12), "g;factor;")
+figure(6)
+plot(dump(st:en,13), "g;shift;")