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

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

def test_gaussian_noise(self):
        samples = np.zeros((20,), dtype=np.float32)
        sample_rate = 16000
        augmenter = Compose([AddGaussianNoise(p=1.0)])
        samples = augmenter(samples=samples, sample_rate=sample_rate)

        self.assertEqual(samples.dtype, np.float32)
        self.assertNotAlmostEqual(float(np.sum(np.abs(samples))), 0.0)