def test_contrast(self):
"""
Test contrast effect, compare to SoX implementation
"""
enhancement_amount = 80.
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("contrast", [enhancement_amount])
sox_output_waveform, sr = E.sox_build_flow_effects()
waveform, sample_rate = torchaudio.load(noise_filepath, normalization=True)
output_waveform = F.contrast(waveform, enhancement_amount)
self.assertEqual(output_waveform, sox_output_waveform, atol=1e-4, rtol=1e-5)
def test_contrast(self):
"""
Test contrast effect, compare to SoX implementation
"""
enhancement_amount = 80.
E = torchaudio.sox_effects.SoxEffectsChain()
E.set_input_file(self.noise_filepath)
E.append_effect_to_chain("contrast", [enhancement_amount])
sox_output_waveform, sr = E.sox_build_flow_effects()
output_waveform = F.contrast(self.noise_waveform, enhancement_amount)
self.assertEqual(output_waveform,
sox_output_waveform,
atol=1e-4,
rtol=1e-5)
def func(tensor):
enhancement_amount = 80.
return F.contrast(tensor, enhancement_amount)
def test_contrast(self):
enhancement_amount = 80.
data, path = self.get_whitenoise()
result = F.contrast(data, enhancement_amount)
self.assert_sox_effect(result, path, ['contrast', enhancement_amount])
