Difference between revisions of "HW1.2 Cory Ocker ECE301Fall2008mboutin" - Rhea

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-%Cory Ocker (cocker@purdue.edu)
-%9/5/08 HW1
-%EE301 MWF 4:30
-clear;
-clc;
-%first i went to http://www.hoerl.com/Music/music1_basic.html and read a
-%tutorial on music because I don't know diddly about music notes
-%define notes using
-%http://www.techlib.com/reference/musical_note_frequencies.htm
-A =220;
-B =246.94;
-C =261.64;
-Db =277.20;
-D =293.68;
-E =329.64;
-F =349.24;
-Gb =370;
-G =392;
-%define delta
-delta =1/20000;
-%define beats (can range from 40 bpm to 200 bpm)
-e =.25;
-q =.5;
-dq =.75;
-h =1;
-dh =1.5;
-w =2;
-%timings for notes
-lengths =[h,q,q,dq,e,q,q,q,e,e,q,e,e,dh,h,q,q,dq,e,q,q,q,e,e,q,e,e,w,dq,e,...
-    q,q,dq,e,q,e,e,q,q,q,q,w,dq,e,q,q,q,q,q,q,dq,e,dq,e,w,w];
-%notes for song
-notes =[A,B,Db,D,E,Gb,Gb,G,G,G,D,E,F,Gb,Gb,Gb,E,D,E,Gb,Gb,E,B,Db,D,Db,B,E,...
-    A,A,B,Db,D,E,Gb,Gb,Gb,G,G,D,E,Gb,B,Db,D,B,A,D,Gb,A,B,Gb,E,D,D];
-%regular speed
-for lcv =1:length(notes)
-	t =0:delta:lengths(lcv);
-	wave =sin(2*pi*t*notes(lcv));
-	sound(wave,1/delta);
-end
-pause(5)
-%double speed
-for lcv =1:length(notes)
-	t =0:delta:1/2*lengths(lcv);
-	wave =sin(2*pi*t*notes(lcv));
-	sound(wave,1/delta);
-end
-pause(5)
-%3/4 speed (sounds the best to me after testing)
-for lcv =1:length(notes)
-	t =0:delta:3/4*lengths(lcv);
-	wave =sin(2*pi*t*notes(lcv));
-	sound(wave,1/delta);
-end
-pause(5)
-%doubles the frequencies
-for lcv =1:length(notes)
-	t =0:delta:lengths(lcv);
-	wave =sin(2*2*pi*t*notes(lcv));
-	sound(wave,1/delta);
-end

Revision as of 15:23, 3 September 2008