Difference between revisions of "Hw1 ECE301S11 Richard Gieseck" - Rhea

Latest revision as of 15:41, 18 January 2011

clc;
clear all;

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% PART 1 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

bpm = 112;
bps = bpm / 60;
spb = 1/bps;
delta = 0.00005;
t = 0:delta:3;

E = 0:delta:spb/2;
Q = 0:delta:spb;
H = 0:delta:spb*2;
DQ = 0:delta:3*spb/2;

E2 = 0:delta:spb/4;
Q2 = 0:delta:spb/2;
H2 = 0:delta:spb;
DQ2 = 0:delta:3*spb/4;

G = 391.995;
Bf = 466.164;
C = 523.251;
Df = 554.365;

smoke_on_water = [sin(2*pi*G*Q),sin(2*pi*Bf*Q),sin(2*pi*C*DQ),...
sin(2*pi*G*Q),sin(2*pi*Bf*Q),sin(2*pi*Df*E),sin(2*pi*C*H),...
sin(2*pi*G*Q),sin(2*pi*Bf*Q),sin(2*pi*C*DQ),sin(2*pi*Bf*Q),...
sin(2*pi*G*Q)];
smoke_on_water2 = [sin(2*pi*G*Q2),sin(2*pi*Bf*Q2),sin(2*pi*C*DQ2),...
sin(2*pi*G*Q2),sin(2*pi*Bf*Q2),sin(2*pi*Df*E2),sin(2*pi*C*H2),...
sin(2*pi*G*Q2),sin(2*pi*Bf*Q2),sin(2*pi*C*DQ2),sin(2*pi*Bf*Q2),...
sin(2*pi*G*Q2)];

sound(smoke_on_water,1/delta);
sound(smoke_on_water2,1/delta);
sound(smoke_on_water,2/delta);

wavwrite(smoke_on_water,1/delta,'ECEHW1_1_a');
wavwrite(smoke_on_water2,1/delta,'ECEHW1_1_b');
wavwrite(smoke_on_water,2/delta,'ECEHW1_1_c');

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% PART 2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

[beatles, Fs] = wavread('Beatles.wav');
sound(beatles,Fs);

beatles_rev = flipud(beatles);
sound(beatles_rev,Fs);
wavwrite(beatles_rev,Fs,'ECEHW1_2_b');

Media:Rgieseck_ECE301_HW1_1_a.wav
Media:Rgieseck_ECE301_HW1_1_b.wav
Media:Rgieseck_ECE301_HW1_1_c.wav
Media:Rgieseck_ECE301_HW1_2_b.wav

The first part of the Beatles song repeats "Number 9"
The reversed part repeats what sounds like mumbled garbage to me but supposedly he is repeating "Turn me on, dead man!"