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Merge pull request #38 from ltcptgeneral/DarellsAnnex

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Darells annex
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darrll27 2021-12-09 17:17:56 -08:00 committed by GitHub
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App/app.mlapp
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src/MIDIDarell.m Normal file
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function output = MIDIDarell(dur,Fs)
%Darell Chua Yun Da
% Detailed explanation goes here
freq = [330 350 370 392 415 440 466 494 523 554];
charls = ["q" "w" "e" "r" "t" "y" "u" "i" "o" "p"];
bytedur = 0.5;
x = 0:1/Fs:bytedur;
yz0 = zeros([1,(length(x)-1)]);
y = [yz0
yz0
yz0
yz0
yz0
yz0
yz0
yz0
yz0
yz0];
for c = 1:length(freq)
for i=1:length(x)
y(c,i) = 0.5*sin(2*pi*freq(c)*x(i));
end
end
Len = dur*Fs;
output = zeros([1,Len]);
set(gcf,'CurrentCharacter', '@');
figure(1)
tStart = tic;
tEnd = toc(tStart);
figure(1)
while(tEnd <= dur)
title("Midi Popup")
drawnow
char = get(gcf,'CurrentCharacter');
while (char == '@' && tEnd <= dur)
figure(1)
char = get(gcf,'CurrentCharacter');
tEnd = toc(tStart);
drawnow
end
n = round((tEnd/dur)*Len);
endt = tEnd + bytedur;
overt = tEnd + bytedur/3;
if overt> dur
endt = dur;
end
if endt > dur
endt = dur;
end
endn = round(endt*Fs);
charno = 0;
for i=1:length(freq)
if char == charls(i)
charno = i;
end
end
if charno > 0
sound(y(charno,:),Fs);
oldout = output(n:endn);
output(n:endn) = oldout + y(charno,1:(endn-n+1));
while(tEnd < overt)
tEnd = toc(tStart);
drawnow
end
figure(1)
plot(output);
title("Midi Popup")
drawnow
set(gcf,'CurrentCharacter', '@')
else
figure(1)
drawnow
set(gcf,'CurrentCharacter', '@')
end
tEnd = toc(tStart);
end
figure(1)
plot(output);
sound(output,Fs);
drawnow();
end