Abstract
In recent years, with the rise of human-computer interaction and the successful application of end-to-end models in the field of speech recognition, the construction of end-to-end speech recognition models has received extensive attention. Relying on the multi-task learning method and the connection between language identification and speech recognition, we proposed an end-to-end Transformer model, which is a multilingual speech recognition model integrating language identification. The model takes the speech recognition task as the main task and the language identification task as the auxiliary task. In this paper, the validity of the model is verified by using the datasets of 13 languages in the 2021 Oriental Language Recognition challenge (OLR). The experimental results show that the model constructed in this paper has a relative improvement of 37.46% in the speech recognition task compared with the baseline system proposed by the OLR organizer. The accuracy of language identification reaches 89.70 %. The results can get the fifth place in the 2021 OLR constraint track of speech recognition equally.
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