%% Voice recognition %%
load('dane.mat')
y1 = y(:,1);
load('dane2.mat')
y2 = y(:,1);

Y1 = fft(y1);
N=length(y1); %number of samples
f1=(0:N-1).*Fs/N; %define frequency vector

Y2 = fft(y2);
N=length(y2); %number of samples
f2=(0:N-1).*Fs/N; %define frequency vector

figure(5)
subplot(2,1,1)
plot(f1,abs(Y1))
xlabel('Częstotliwość [Hz]');
ylabel('|fft(x(t))|');
xlim([0, Fs/2]);
title('Spectrum of registered voice')

subplot(2,1,2)
plot(f2,abs(Y2))
xlabel('Częstotliwość [Hz]');
ylabel('|fft(x(t))|');
xlim([0, Fs/2]);
title('Spectrum of registered voice')