% file generating a sinusoidal tone and playing it with the sound command dur = 1; % duration of tone in seconds Fs = 44100; % sampling rate per second f = 500; % frequency of tone t = (0:(1/Fs):dur); % from 0 to dur with 1/Fs increments x = 0.5*sin(2*pi*f*t); sound(x,Fs); % wavwrite(x,Fs, '440');