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frequencia2nota.m
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frequencia2nota.m
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function nota = frequencia2nota(freqs)
sf = size(freqs);
nota = cell(sf);
for r = 1:sf(1)
if (freqs(r) == 0)
str = 'P';
else
n = round(12*log2(freqs(r)/27.5));
switch mod(n,12)
case 0
str = 'A';
case 1
str = 'A#';
case 2
str = 'B';
case 3
str = 'C';
case 4
str = 'C#';
case 5
str = 'D';
case 6
str = 'D#';
case 7
str = 'E';
case 8
str = 'F';
case 9
str = 'F#';
case 10
str = 'G';
case 11
str = 'G#';
end
%%
aux = floor((n+9)/12)
if (aux <= 3)
aux = 3;
elseif (aux >= 5)
aux = 5
end
str = [str,num2str(aux)];
%%
%str = [str,num2str(floor((n+9)/12))];
end
nota(r) = cellstr(str);
end