def plot_log_spectrogram_from_wave_file(filename):
fs, x = utils.read_gzip_wave_file(filename)
Sxx = sp.wave_to_log_amplitude_spectrogram(x, fs, 512, 128)[:256]
Sxx2 = utils.wave_to_log_spectrogram_aux(x, fs)
plot_matrix(Sxx, "Log Amplitude Spectrogram")
plot_matrix(Sxx2, "Log Amplitude Spectrogram (scipy)")
def plot_spectrogram_from_wave_file(filename):
fs, x = utils.read_gzip_wave_file(filename)
Sxx = sp.wave_to_amplitude_spectrogram(x, fs, 512, 128)[:256]
plot_matrix(Sxx, "Amplitude Spectrogram")
def img_spectrogram_from_wave_file(filepath):
fs, x = utils.read_gzip_wave_file(filepath)
Sxx = sp.wave_to_log_amplitude_spectrogram(x, fs, 512, 128)[:256]
baseName = utils.get_basename_without_ext(filepath)
save_matrix_to_file(Sxx, "Log Amplitude Spectrogram",
baseName + "_AMP.png")