shithub: opus

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fixed outdated period transform in lpcnet_vocoding_dataset.py

--- a/dnn/torch/osce/data/lpcnet_vocoding_dataset.py

+++ b/dnn/torch/osce/data/lpcnet_vocoding_dataset.py

@@ -203,7 +203,7 @@

         # convert periods

         if 'periods' in self.input_features:

-            sample['periods'] = (0.1 + 50 * sample['periods'] + 100).astype('int16')

+            sample['periods'] = np.round(np.clip(256. / 2 ** (sample['periods'] + 1.5), 32, 255)).astype('int')

         signal_start = (self.frame_offset + index       * self.frames_per_sample) * self.frame_length

         signal_stop  = (self.frame_offset + (index + 1) * self.frames_per_sample) * self.frame_length

-- 

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