Before revision:  This method gives consistent performance gains  on the Wall Street Journal, AISHELL, Switchboard and AMI ASR tasks. On the AISHELL dev/test sets, the proposed method achieves state-of-the-art Transformer results with 5.8\%/6.3\% word error rates .
After revision:  This method gives consistent performance gains on the Wall Street Journal, AISHELL, Switchboard and AMI datasets. To the best of our knowledge, we have achieved state-of-the-art Transformer results with 5.8\%/6.3\% word error rates .