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Table 3 The impacts of the enhancement front-end on the ASR systems trained by clean data and multi-condition training (MCT). The results are in CER [%]

From: Adversarial joint training with self-attention mechanism for robust end-to-end speech recognition

ASR

Training

CER [%]

  

Clean

Match

Unmatch

Baseline

Clean

13.9

25.8

53.8

 

MCT

14.9

23.5

34.3

Transformer

Clean

8.1

19.1

33.7

 

MCT

7.9

14.9

20.7

Conformer

Clean

6.5

17.6

28.8

 

MCT

7.0

14.2

17.9