Sound Files
Media:serekson_hailpurdue1_ECE301Fall2008mboutin.wav Media:serekson_hailpurdue2_ECE301Fall2008mboutin.wav
Matlab Code
%Spencer Erekson %ECE 301 Homework 1 Problem 1 %September 4, 2008 delta=1/20000; %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %Normal Speed %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% A = sin(2*pi*(0:delta:1)*220.000); Bb = sin(2*pi*(0:delta:1)*233.082); B = sin(2*pi*(0:delta:1)*246.942); C = sin(2*pi*(0:delta:1)*261.626); Db = sin(2*pi*(0:delta:1)*277.183); D = sin(2*pi*(0:delta:1)*293.665); Eb = sin(2*pi*(0:delta:1)*311.127); E = sin(2*pi*(0:delta:1)*329.628); F = sin(2*pi*(0:delta:1)*349.228); Gb = sin(2*pi*(0:delta:1)*369.994); G = sin(2*pi*(0:delta:1)*391.995); %an array of the notes notes=[A,B,Db,D,E,Gb,Gb,G,G,G,D,E,F,Gb]; sound(notes,1/delta); wavwrite(notes,1/delta,32,'serekson_hailpurdue1.wav'); %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %Twice Speed %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% A = sin(2*pi*(0:delta:.5)*220.000); Bb = sin(2*pi*(0:delta:.5)*233.082); B = sin(2*pi*(0:delta:.5)*246.942); C = sin(2*pi*(0:delta:.5)*261.626); Db = sin(2*pi*(0:delta:.5)*277.183); D = sin(2*pi*(0:delta:.5)*293.665); Eb = sin(2*pi*(0:delta:.5)*311.127); E = sin(2*pi*(0:delta:.5)*329.628); F = sin(2*pi*(0:delta:.5)*349.228); Gb = sin(2*pi*(0:delta:.5)*369.994); G = sin(2*pi*(0:delta:.5)*391.995); notes=[A,B,Db,D,E,Gb,Gb,G,G,G,D,E,F,Gb]; sound(notes,1/delta); wavwrite(notes,1/delta,32,'serekson_hailpurdue2.wav'); %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %Twice Frequency %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% A = sin(2*2*pi*(0:delta:1)*220.000); Bb = sin(2*2*pi*(0:delta:1)*233.082); B = sin(2*2*pi*(0:delta:1)*246.942); C = sin(2*2*pi*(0:delta:1)*261.626); Db = sin(2*2*pi*(0:delta:1)*277.183); D = sin(2*2*pi*(0:delta:1)*293.665); Eb = sin(2*2*pi*(0:delta:1)*311.127); E = sin(2*2*pi*(0:delta:1)*329.628); F = sin(2*2*pi*(0:delta:1)*349.228); Gb = sin(2*2*pi*(0:delta:1)*369.994); G = sin(2*2*pi*(0:delta:1)*391.995); notes=[A,B,Db,D,E,Gb,Gb,G,G,G,D,E,F,Gb]; sound(notes,1/delta); wavwrite(notes,1/delta,32,'serekson_hailpurdue3.wav');