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| − | + | % Hail Purdue. | |
| + | |||
| + | % XUJUN HUANG | ||
| − | |||
% huang122@purdue.edu | % huang122@purdue.edu | ||
| − | + | ---- | |
| + | |||
| + | |||
| + | % note durations. | ||
| + | |||
% time signature = 4/4 | % time signature = 4/4 | ||
| + | |||
% quarter note = 180bpm => quarter note duration is 60/180 minute. | % quarter note = 180bpm => quarter note duration is 60/180 minute. | ||
| + | |||
Q=60/180; | Q=60/180; | ||
| + | |||
H=2*Q; % Half note | H=2*Q; % Half note | ||
| + | |||
W=4*Q; % Whole note | W=4*Q; % Whole note | ||
| + | |||
En=Q/2; %Eighth note | En=Q/2; %Eighth note | ||
| + | |||
DQ=Q+En; %Dotted quarter | DQ=Q+En; %Dotted quarter | ||
| + | |||
%frequencies | %frequencies | ||
% A=440 = 5x/3 => x=264 | % A=440 = 5x/3 => x=264 | ||
| + | |||
% Middle C (do) = x = 264; | % Middle C (do) = x = 264; | ||
| + | |||
% D (re)=9x/8=297; | % D (re)=9x/8=297; | ||
| + | |||
% E (mi)=5x/4=330; | % E (mi)=5x/4=330; | ||
| + | |||
% F (fa)=4x/3=352; | % F (fa)=4x/3=352; | ||
| + | |||
% GL (so)=3x/2/2=198; | % GL (so)=3x/2/2=198; | ||
| + | |||
% AL (low la)=5x/3/2=220; | % AL (low la)=5x/3/2=220; | ||
| + | |||
% BL (low ti)=15x/8/2=247.5; | % BL (low ti)=15x/8/2=247.5; | ||
C=264; | C=264; | ||
| + | |||
D=297; | D=297; | ||
| + | |||
E=330; | E=330; | ||
| + | |||
F=352; | F=352; | ||
| + | |||
GL=198; | GL=198; | ||
| + | |||
AL=220; | AL=220; | ||
| + | |||
BL=247.5; | BL=247.5; | ||
notes = [GL,GL,AL,C,D,E,E,F,F,F,C,D,E,E,... %Hail, hail to old Purdue!All hail to our old gold and black! | notes = [GL,GL,AL,C,D,E,E,F,F,F,C,D,E,E,... %Hail, hail to old Purdue!All hail to our old gold and black! | ||
| + | |||
E,E,D,C,D,E,E,D,AL,BL,C,BL,AL,D,... %Hail, hail to old Purdue!Our friendship may she never lack, | E,E,D,C,D,E,E,D,AL,BL,C,BL,AL,D,... %Hail, hail to old Purdue!Our friendship may she never lack, | ||
| + | |||
GL,GL,GL,AL,C,D,E,E,F,F,C,D,E,... %Ever grateful ever true,Thus we raise our song anew,† | GL,GL,GL,AL,C,D,E,E,F,F,C,D,E,... %Ever grateful ever true,Thus we raise our song anew,† | ||
| + | |||
AL,BL,C,AL,GL,C,E,GL,AL,E,D,C,C]; %Of the days we've spent with you,All hail our own Purdue. | AL,BL,C,AL,GL,C,E,GL,AL,E,D,C,C]; %Of the days we've spent with you,All hail our own Purdue. | ||
duration = [H,DQ,En,DQ,En,Q,Q,Q,En,En,Q,En,En,W,... | duration = [H,DQ,En,DQ,En,Q,Q,Q,En,En,Q,En,En,W,... | ||
| + | |||
H,DQ,En,DQ,En,Q,Q,Q,En,En,Q,En,En,W,... | H,DQ,En,DQ,En,Q,Q,Q,En,En,Q,En,En,W,... | ||
| + | |||
DQ,En,Q,Q,DQ,En,Q,Q,Q,Q,Q,Q,W,... | DQ,En,Q,Q,DQ,En,Q,Q,Q,Q,Q,Q,W,... | ||
| + | |||
DQ,En,Q,Q,Q,Q,Q,Q,DQ,En,DQ,En,W]; | DQ,En,Q,Q,Q,Q,Q,Q,DQ,En,DQ,En,W]; | ||
| + | |||
% Play the song as what demonstrated in class | % Play the song as what demonstrated in class | ||
| + | |||
delta=0.00005; | delta=0.00005; | ||
| + | |||
| + | ---- | ||
| + | PART A | ||
for n = 1:56 | for n = 1:56 | ||
| + | |||
t = 0:delta:duration(n); | t = 0:delta:duration(n); | ||
| + | |||
anthem = sin(2*pi*notes(n)*t); | anthem = sin(2*pi*notes(n)*t); | ||
| + | |||
sound(anthem, 1/delta); | sound(anthem, 1/delta); | ||
| + | |||
| + | end | ||
| + | |||
| + | ---- | ||
| + | PART B | ||
| + | |||
| + | for n = 1:56 | ||
| + | |||
| + | t = 0:delta:0.5*duration(n); | ||
| + | |||
| + | anthem = sin(2*pi*notes(n)*t); | ||
| + | |||
| + | sound(anthem, 1/delta); | ||
| + | |||
| + | end | ||
| + | |||
| + | ---- | ||
| + | PART C | ||
| + | |||
| + | for n = 1:56 | ||
| + | |||
| + | t = 0:delta:duration(n); | ||
| + | |||
| + | anthem = sin(2*2*pi*notes(n)*t); | ||
| + | |||
| + | sound(anthem, 1/delta); | ||
| + | |||
end | end | ||
Latest revision as of 20:28, 4 September 2008
% Hail Purdue.
% XUJUN HUANG
% huang122@purdue.edu
% note durations.
% time signature = 4/4
% quarter note = 180bpm => quarter note duration is 60/180 minute.
Q=60/180;
H=2*Q; % Half note
W=4*Q; % Whole note
En=Q/2; %Eighth note
DQ=Q+En; %Dotted quarter
%frequencies
% A=440 = 5x/3 => x=264
% Middle C (do) = x = 264;
% D (re)=9x/8=297;
% E (mi)=5x/4=330;
% F (fa)=4x/3=352;
% GL (so)=3x/2/2=198;
% AL (low la)=5x/3/2=220;
% BL (low ti)=15x/8/2=247.5;
C=264;
D=297;
E=330;
F=352;
GL=198;
AL=220;
BL=247.5;
notes = [GL,GL,AL,C,D,E,E,F,F,F,C,D,E,E,... %Hail, hail to old Purdue!All hail to our old gold and black!
E,E,D,C,D,E,E,D,AL,BL,C,BL,AL,D,... %Hail, hail to old Purdue!Our friendship may she never lack,
GL,GL,GL,AL,C,D,E,E,F,F,C,D,E,... %Ever grateful ever true,Thus we raise our song anew,†
AL,BL,C,AL,GL,C,E,GL,AL,E,D,C,C]; %Of the days we've spent with you,All hail our own Purdue.
duration = [H,DQ,En,DQ,En,Q,Q,Q,En,En,Q,En,En,W,...
H,DQ,En,DQ,En,Q,Q,Q,En,En,Q,En,En,W,...
DQ,En,Q,Q,DQ,En,Q,Q,Q,Q,Q,Q,W,...
DQ,En,Q,Q,Q,Q,Q,Q,DQ,En,DQ,En,W];
% Play the song as what demonstrated in class
delta=0.00005;
PART A
for n = 1:56
t = 0:delta:duration(n);
anthem = sin(2*pi*notes(n)*t);
sound(anthem, 1/delta);
end
PART B
for n = 1:56
t = 0:delta:0.5*duration(n);
anthem = sin(2*pi*notes(n)*t);
sound(anthem, 1/delta);
end
PART C
for n = 1:56
t = 0:delta:duration(n);
anthem = sin(2*2*pi*notes(n)*t);
sound(anthem, 1/delta);
end
