def test_above_dynamic_but_not_static(self):
sd = DynamicSilenceDetector(100, 50.)
sd.update_average(np.array([1], dtype=np.int16))
sd.update_average(np.array([1], dtype=np.int16))
# Hence sd.avg_volume == 1
a = np.array([0, 0, 2, 0, 0], dtype=np.int16)
self.assertFalse(sd.is_silent(a))
def test_reset_average(self):
sd = DynamicSilenceDetector(100, 50., min_average_volume=1.5)
sd.update_average(np.array([2], dtype=np.int16))
sd.update_average(np.array([2], dtype=np.int16))
# Hence sd.avg_volume == 2
sd.reset_average()
self.assertEqual(sd.average_volume, 1.5)
def test_average_volume_is_not_min(self):
sd = DynamicSilenceDetector(100, 50., min_average_volume=.1)
sd.update_average(np.array([0, 1], dtype=np.int16))
sd.update_average(np.array([0, 0], dtype=np.int16))
self.assertEqual(sd.average_volume, .5)
def test_average_volume_is_min_on_empty(self):
sd = DynamicSilenceDetector(100, 50., min_average_volume=.1)
self.assertEqual(sd.average_volume, .1)
def test_silent_is_silent_dynamic(self):
sd = DynamicSilenceDetector(100, min_average_volume=1.)
a = np.array([0, 0, 0, 0, 0], dtype=np.int16)
self.assertTrue(sd.is_silent(a))