def func(tensor):
sample_rate = 44100
center_freq = 300.
gain = 1.
q = 0.707
return F.equalizer_biquad(tensor, sample_rate, center_freq, gain,
q)
def test_equalizer(self):
"""
Test biquad peaking equalizer filter, compare to SoX implementation
"""
CENTER_FREQ = 300
Q = 0.707
GAIN = 1
noise_filepath = os.path.join(self.test_dirpath, "assets",
"whitenoise.wav")
E = torchaudio.sox_effects.SoxEffectsChain()
E.set_input_file(noise_filepath)
E.append_effect_to_chain("equalizer", [CENTER_FREQ, Q, GAIN])
sox_output_waveform, sr = E.sox_build_flow_effects()
waveform, sample_rate = torchaudio.load(noise_filepath,
normalization=True)
output_waveform = F.equalizer_biquad(waveform, sample_rate,
CENTER_FREQ, GAIN, Q)
torch.testing.assert_allclose(output_waveform,
sox_output_waveform,
atol=1e-4,
rtol=1e-5)
def test_equalizer(self):
center_freq = 300
q = 0.707
gain = 1
sample_rate = 8000
data, path = self.get_whitenoise(sample_rate)
result = F.equalizer_biquad(data, sample_rate, center_freq, gain, q)
self.assert_sox_effect(result, path, ['equalizer', center_freq, q, gain])
def test_equalizer(self):
"""
Test biquad peaking equalizer filter, compare to SoX implementation
"""
center_freq = 300
q = 0.707
gain = 1
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("equalizer", [center_freq, q, gain])
sox_output_waveform, sr = E.sox_build_flow_effects()
waveform, sample_rate = torchaudio.load(noise_filepath, normalization=True)
output_waveform = F.equalizer_biquad(waveform, sample_rate, center_freq, gain, q)
self.assertEqual(output_waveform, sox_output_waveform, atol=1e-4, rtol=1e-5)
def test_equalizer(self):
"""
Test biquad peaking equalizer filter, compare to SoX implementation
"""
center_freq = 300
q = 0.707
gain = 1
E = torchaudio.sox_effects.SoxEffectsChain()
E.set_input_file(self.noise_filepath)
E.append_effect_to_chain("equalizer", [center_freq, q, gain])
sox_output_waveform, sr = E.sox_build_flow_effects()
output_waveform = F.equalizer_biquad(self.noise_waveform,
self.NOISE_SAMPLE_RATE,
center_freq, gain, q)
self.assertEqual(output_waveform,
sox_output_waveform,
atol=1e-4,
rtol=1e-5)
