def test_lowpass_filter_cutoff_frequency(self):
# A Sine wave should not be affected by a LPF 3 octaves Higher
s = Sine(100).to_audio_segment()
less_treble = s.low_pass_filter(800)
self.assertAlmostEqual(less_treble.dBFS, s.dBFS, places=0)
def test_lowpass_filter_cutoff_frequency(self):
# A Sine wave should not be affected by a LPF 3 octaves Higher
s = Sine(100).to_audio_segment()
less_treble = s.low_pass_filter(800)
self.assertAlmostEqual(less_treble.dBFS, s.dBFS, places=0)
