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How to use the audiomentations.augmentations.transforms.PitchShift function in audiomentations

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iver56 / audiomentations / tests / test_pitch_shift.py View on Github

def test_dynamic_length(self):
        samples = np.zeros((512,), dtype=np.float32)
        sample_rate = 16000
        augmenter = Compose([PitchShift(min_semitones=-2, max_semitones=-1, p=1.0)])
        samples = augmenter(samples=samples, sample_rate=sample_rate)

        self.assertEqual(samples.dtype, np.float32)
        self.assertEqual(len(samples), 512)