2020

Improved Noisy Student Training for Automatic Speech Recognition

Park, Daniel S., Zhang, Yu, Jia, Ye et al.

Understand

Recently, a semi-supervised learning method known as "noisy student training" has been shown to improve image classification performance of deep networks significantly.

  • Noisy student training is an iterative self-training method that leverages augmentation to improve network performance.
  • In this work, we adapt and improve noisy student training for automatic speech recognition, employing (adaptive) SpecAugment as the augmentation method.
  • We find effective methods to filter, balance and augment the data generated in between self-training iterations.

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