(New page: <pre> %Tyler Johnson %September 3rd, 2008 %clear memory clear; %clear console clc; %Frequencies for each note x = 264; %using the frequencies from the homework page, the A note will have...) |
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| + | [[Media:FastFightSong_ECE301Fall2008mboutin.wav]] | ||
| + | |||
| + | [[Media:FightSong_ECE301Fall2008mboutin.wav]] | ||
| + | |||
| + | [[Media:RescaledFightSong_ECE301Fall2008mboutin.wav]] | ||
<pre> | <pre> | ||
%Tyler Johnson | %Tyler Johnson | ||
| Line 8: | Line 13: | ||
%Frequencies for each note | %Frequencies for each note | ||
| − | + | %using the frequencies from the homework page, the A note will have a frequency of 440 Hz | |
| − | UC = 2*x %523 | + | %some of the frequencies given were way off so I used integer values that I |
| − | B =(15*x)/8 %493 | + | %got from the internet at http://www.phy.mtu.edu/~suits/notefreqs.html |
| − | A =415 | + | |
| − | G =(3*x)/2 %392 | + | x = 264; |
| − | F =(4*x)/3 %349 | + | |
| − | E =311 | + | UC = 2*x %523 |
| − | D =(17*x)/8 %554 | + | B =(15*x)/8 %493 |
| − | MC =x | + | A =415 %415 |
| + | G =(3*x)/2 %392 | ||
| + | F =(4*x)/3 %349 | ||
| + | E =311 %311 | ||
| + | D =(17*x)/8 %554 | ||
| + | MC =x | ||
%Length of note | %Length of note | ||
| Line 33: | Line 43: | ||
Lengths = [H, Q, Q, Q+EI, EI, Q, Q, Q, EI, EI, Q, EI, EI, H+Q]; | Lengths = [H, Q, Q, Q+EI, EI, Q, Q, Q, EI, EI, Q, EI, EI, H+Q]; | ||
| + | FightSong = []; | ||
for counter = 1:14 | for counter = 1:14 | ||
t=0:delta:Lengths(counter); | t=0:delta:Lengths(counter); | ||
d=sin(2*pi*t*Notes(counter)); | d=sin(2*pi*t*Notes(counter)); | ||
sound(d,1/delta); | sound(d,1/delta); | ||
| + | FightSong=[FightSong, d]; | ||
end | end | ||
| + | %Save a wav file: | ||
| + | wavwrite(FightSong,20000,32,'N:\ECE301\Homework 1\FightSong.wav'); | ||
| + | |||
pause(2); | pause(2); | ||
%Play twice as fast | %Play twice as fast | ||
| + | FastFightSong = []; | ||
for counter = 1:14 | for counter = 1:14 | ||
t=0:delta:Lengths(counter)/2; | t=0:delta:Lengths(counter)/2; | ||
d=sin(2*pi*t*Notes(counter)); | d=sin(2*pi*t*Notes(counter)); | ||
sound(d,1/delta); | sound(d,1/delta); | ||
| + | FastFightSong=[FastFightSong, d]; | ||
end | end | ||
| + | wavwrite(FastFightSong,20000,16,'N:\ECE301\Homework 1\FastFightSong.wav'); | ||
pause(2); | pause(2); | ||
%Rescaled | %Rescaled | ||
| + | RescaledFightSong = []; | ||
for counter = 1:14 | for counter = 1:14 | ||
t=0:delta:Lengths(counter); | t=0:delta:Lengths(counter); | ||
d=sin(2*pi*(t*2)*Notes(counter)); | d=sin(2*pi*(t*2)*Notes(counter)); | ||
sound(d,1/delta); | sound(d,1/delta); | ||
| + | RescaledFightSong=[RescaledFightSong, d]; | ||
end | end | ||
| + | wavwrite(RescaledFightSong,20000,16,'N:\ECE301\Homework 1\RescaledFightSong.wav'); | ||
</pre> | </pre> | ||
Latest revision as of 06:57, 5 September 2008
Media:FastFightSong_ECE301Fall2008mboutin.wav
Media:FightSong_ECE301Fall2008mboutin.wav
Media:RescaledFightSong_ECE301Fall2008mboutin.wav
%Tyler Johnson
%September 3rd, 2008
%clear memory
clear;
%clear console
clc;
%Frequencies for each note
%using the frequencies from the homework page, the A note will have a frequency of 440 Hz
%some of the frequencies given were way off so I used integer values that I
%got from the internet at http://www.phy.mtu.edu/~suits/notefreqs.html
x = 264;
UC = 2*x %523
B =(15*x)/8 %493
A =415 %415
G =(3*x)/2 %392
F =(4*x)/3 %349
E =311 %311
D =(17*x)/8 %554
MC =x
%Length of note
delta = .00005;
EI = .125; %Eigth Note
Q = .25; %Quarter Note
H = .5; %Half Note
T = .75; %Three Quarters Note
W = 1; %Whole Note
%Song verticies
%Song plays "Hail Hail to old Purdue! All hail to our old gold and black"
Notes = [E, F, G, A, B, UC, UC, D, D, D, A, B, B, UC];
Lengths = [H, Q, Q, Q+EI, EI, Q, Q, Q, EI, EI, Q, EI, EI, H+Q];
FightSong = [];
for counter = 1:14
t=0:delta:Lengths(counter);
d=sin(2*pi*t*Notes(counter));
sound(d,1/delta);
FightSong=[FightSong, d];
end
%Save a wav file:
wavwrite(FightSong,20000,32,'N:\ECE301\Homework 1\FightSong.wav');
pause(2);
%Play twice as fast
FastFightSong = [];
for counter = 1:14
t=0:delta:Lengths(counter)/2;
d=sin(2*pi*t*Notes(counter));
sound(d,1/delta);
FastFightSong=[FastFightSong, d];
end
wavwrite(FastFightSong,20000,16,'N:\ECE301\Homework 1\FastFightSong.wav');
pause(2);
%Rescaled
RescaledFightSong = [];
for counter = 1:14
t=0:delta:Lengths(counter);
d=sin(2*pi*(t*2)*Notes(counter));
sound(d,1/delta);
RescaledFightSong=[RescaledFightSong, d];
end
wavwrite(RescaledFightSong,20000,16,'N:\ECE301\Homework 1\RescaledFightSong.wav');
