Difference between revisions of "HW1.1 Hetong Li ECE301Fall2008mboutin" - Rhea

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-%Hetong Li
-%09/01/08
-%ECE301 hw1.1
-clear;
-clc;
-%initialze basic variables
-x=440*3/5;%basic frequency.
-delta=0.0005;
-dur=0.5;
-t=0:delta:dur;
-scale=1;
-%assign frequencies for each tone.
-fmidC=x;
-fD=9*x/8;
-fE=5*x/4;
-fF=4*x/3;
-fG=3*x/2;
-fA=5*x/3;
-fB=15*x/8;
-fupC=2*x;
-part = input('Please choose the part you want to play(a,b,c):','s');
-if(strcmp(part,'a'))
-    dur=0.5;
-elseif(strcmp(part,'b'))
-    dur=0.25;
-elseif(strcmp(part,'c'))
-    scale=2;
-else
-    fprintf('Sorry,there is no corresponding part');
-end
-t=0:delta:dur;
-%assign signals of each tone.
-midC=sin(2*pi*fmidC*t*scale);
-D=sin(2*pi*fD*t*scale);
-E=sin(2*pi*fE*t*scale);
-F=sin(2*pi*fF*t*scale);
-G=sin(2*pi*fG*t*scale);
-A=sin(2*pi*fA*t*scale);
-B=sin(2*pi*fB*t*scale);
-upC=sin(2*pi*fupC*t*scale);
-y=[midC,midC,G,G,A,A,G,G,F,F,E,E,D,D,midC];
-sound(y,1/delta);

Revision as of 13:25, 1 September 2008