For a given audio clip, calculate the log of its Fourier Transform
        Params:
            audio_clip(str): Path to the audio clip

def featurize(self, audio_clip, overwrite=False, save_feature_as_csvfile=False):
        """ For a given audio clip, calculate the log of its Fourier Transform
        Params:
            audio_clip(str): Path to the audio clip
        """
        return spectrogram_from_file(
            audio_clip, step=self.step, window=self.window,
            max_freq=self.max_freq, overwrite=overwrite,
            save_feature_as_csvfile=save_feature_as_csvfile)