def _n(self, f):
        return band_of_frequency(f, fraction=self.fraction, ref=self.reference)
Update the Content-Length header according to the content of the
dataset/ETHPy150Open python-acoustics/python-acoustics/acoustics/octave.py/Octave._n--crossover with--dataset/ETHPy150Open tweksteen/burst/burst/http.py/Response.update_content_length