UWSpeech: Speech to Speech Translation for Unwritten Languages
Table 8: The BLEU scores of Spanish to English speech to speech translation, combines with multi-task training in different ways.
['Method', '[ITALIC] UWSpeech', '[ITALIC] SL ASR', '[ITALIC] WL ASR']
The BLEU score of WL ASR setting is very low (2.36), which indicates that the Direct Translation model cannot make full use of the written languages, while XL-VAE can do this well.