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Update wavegrad.py 

This should fix the issue https://github.com/mozilla/TTS/issues/581
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Alexander Korolev 2020-12-04 16:43:39 +01:00 committed by GitHub
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commit f42ca2b73f
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1 changed files with 2 additions and 2 deletions
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TTS/vocoder/models/wavegrad.py
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@ -105,8 +105,8 @@ class Wavegrad(nn.Module):
self.noise_level = self.noise_level.to(y_0) self.noise_level = self.noise_level.to(y_0)
if len(y_0.shape) == 3: if len(y_0.shape) == 3:
y_0 = y_0.squeeze(1) y_0 = y_0.squeeze(1)
s = torch.randint(1, self.num_steps + 1, [y_0.shape[0]]) s = torch.randint(0, self.num_steps - 1, [y_0.shape[0]])
l_a, l_b = self.noise_level[s-1], self.noise_level[s] l_a, l_b = self.noise_level[s], self.noise_level[s+1]
noise_scale = l_a + torch.rand(y_0.shape[0]).to(y_0) * (l_b - l_a) noise_scale = l_a + torch.rand(y_0.shape[0]).to(y_0) * (l_b - l_a)
noise_scale = noise_scale.unsqueeze(1) noise_scale = noise_scale.unsqueeze(1)
noise = torch.randn_like(y_0) noise = torch.randn_like(y_0)