function fdet_wav(filename, p)

close all;
fs = 48000;
N = 1024;

omega_min = p(1)/fs;
omega_max = p(2)/fs;
omega_step = p(3)/fs;

% Generate signal
[xwav fs nbits] = wavread(filename);

x = xwav(:, 1) + j*xwav(:, 2);

[omega, err, dmod, omega_coarse, omega_est] = fdet(x, N, omega_min, omega_step, omega_max);

f_coarse = omega_coarse*fs
f_est = omega_est*fs

close all;
subplot(4,1,1)
plot(1:lge(omega), real(dmod)/N, 1:lge(omega), imag(dmod)/N, 1:lge(omega), abs(dmod)/N); grid; legend('Re', 'Im', 'abs()');

subplot(4,1,2)
plot(1:lge(omega), err, '-'); grid; legend('error');

subplot(4,1,3)
plot(1:lge(omega), omega*fs); grid; legend('f');

subplot(4,1,4)
plot(1:lge(omega), angle(dmod), '-*', 1:lge(omega), diff(angle([0 dmod])), 'r-*'); grid; legend('phi', 'dphi');