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[Fbsync] Update pitch shift batch consistency test #1700

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Merged
merged 2 commits into from
Aug 12, 2021
Merged

[Fbsync] Update pitch shift batch consistency test #1700

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cb3a842
Reduce length of waveform in pitch_shift batch_consistency test
nateanl Aug 9, 2021
651700a
Fix batch consistency test in transforms
nateanl Aug 10, 2021
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8 changes: 4 additions & 4 deletions test/torchaudio_unittest/transforms/batch_consistency_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -211,12 +211,12 @@ def test_batch_spectral_centroid(self):

def test_batch_pitch_shift(self):
sample_rate = 8000
n_steps = 4
waveform = common_utils.get_whitenoise(sample_rate=sample_rate)
n_steps = -2
waveform = common_utils.get_whitenoise(sample_rate=sample_rate, duration=0.05)

# Single then transform then batch
expected = torchaudio.transforms.PitchShift(sample_rate, n_steps)(waveform).repeat(3, 1, 1)
expected = torchaudio.transforms.PitchShift(sample_rate, n_steps, n_fft=400)(waveform).repeat(3, 1, 1)

# Batch then transform
computed = torchaudio.transforms.PitchShift(sample_rate, n_steps)(waveform.repeat(3, 1, 1))
computed = torchaudio.transforms.PitchShift(sample_rate, n_steps, n_fft=400)(waveform.repeat(3, 1, 1))
self.assertEqual(computed, expected)