def test_phaser_triangle(self):
"""
Test phaser effect with triangle modulation, compare to SoX implementation
"""
gain_in = 0.5
gain_out = 0.8
delay_ms = 2.0
decay = 0.4
speed = 0.5
noise_filepath = common_utils.get_asset_path('whitenoise.wav')
E = torchaudio.sox_effects.SoxEffectsChain()
E.set_input_file(noise_filepath)
E.append_effect_to_chain(
"phaser", [gain_in, gain_out, delay_ms, decay, speed, "-t"])
sox_output_waveform, sr = E.sox_build_flow_effects()
waveform, sample_rate = torchaudio.load(noise_filepath,
normalization=True)
output_waveform = F.phaser(waveform,
sample_rate,
gain_in,
gain_out,
delay_ms,
decay,
speed,
sinusoidal=False)
torch.testing.assert_allclose(output_waveform,
sox_output_waveform,
atol=1e-4,
rtol=1e-5)
def test_phaser_triangle(self):
"""
Test phaser effect with triangle modulation, compare to SoX implementation
"""
gain_in = 0.5
gain_out = 0.8
delay_ms = 2.0
decay = 0.4
speed = 0.5
E = torchaudio.sox_effects.SoxEffectsChain()
E.set_input_file(self.noise_filepath)
E.append_effect_to_chain(
"phaser", [gain_in, gain_out, delay_ms, decay, speed, "-t"])
sox_output_waveform, sr = E.sox_build_flow_effects()
output_waveform = F.phaser(self.noise_waveform,
self.NOISE_SAMPLE_RATE,
gain_in,
gain_out,
delay_ms,
decay,
speed,
sinusoidal=False)
self.assertEqual(output_waveform,
sox_output_waveform,
atol=1e-4,
rtol=1e-5)
def func(tensor):
gain_in = 0.5
gain_out = 0.8
delay_ms = 2.0
decay = 0.4
speed = 0.5
sample_rate = 44100
return F.phaser(tensor, sample_rate, gain_in, gain_out, delay_ms, decay, speed, sinusoidal=True)
def test_phaser_triangle(self):
gain_in = 0.5
gain_out = 0.8
delay_ms = 2.0
decay = 0.4
speed = 0.5
sample_rate = 8000
data, path = self.get_whitenoise(sample_rate)
result = F.phaser(data, sample_rate, gain_in, gain_out, delay_ms, decay, speed, sinusoidal=False)
self.assert_sox_effect(result, path, ['phaser', gain_in, gain_out, delay_ms, decay, speed, '-t'])
