Revision as of 16:25, 3 September 2008 by Drecord (Talk)

Matlab Code

% Homework 1.1 Hail Purdue
%David Record
%September 3rd 2008
%%Song Notes and Lyrics:
%%http://www.purdue.edu/bands/media/Sounds/aamb/Hail%20Purdue%20Piano%20Sheet.pdf
%Lyrics
%Hail, to Old Purdue, All hail to our gold and black!
%Notes:
%E, F, G, A_, B_, C5, D5_, B
%Corresponding Frequencies: http://www.phy.mtu.edu/~suits/notefreqs.html
E   = 311.13; %HZ
F   = 349.23; %HZ
G   = 392.00; %HZ
A_  = 415.30; %HZ
B_  = 466.16; %HZ
C5  = 523.25; %HZ
D5_ = 554.37; %HZ
B   = 493.3;  %HZ
%Durations
delta = 0.00005; %As defined in class
quarter = .25;  %Quarter Note
half = .5;      %Half Note
whole = 1;      %Whole Note
eigth = .125;  %Eighth Note
notes = [E, F, G, A_, B_, C5, C5, D5_, D5_, D5_, A_, B_, B, C5];
durations = [half, quarter, quarter, (quarter+eighth), eighth, quarter, quarter, quarter, eighth, eighth, quarter, eigth, eigth, (half+quarter) ];


x=1;
for counter = 1: length(notes)
    t = 0:delta:durations(counter);
    y = sin(2*pi*notes(counter)*t);
    sound (y, 1/delta);
end

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Ph.D. 2007, working on developing cool imaging technologies for digital cameras, camera phones, and video surveillance cameras.

Buyue Zhang