This is the TensorFlow implementation of the Google LAS model.
part of the code refers to https://github.com/thomasschmied/Speech_Recognition_with_Tensorflow
The model adds some improvements, such as multi-head attention, label smoothing and so on. Reference: 《STATE-OF-THE-ART SPEECH RECOGNITION WITH SEQUENCE-TO-SEQUENCE MODELS》
The model adds biased module, CLAS. Reference: 《DEEP CONTEXT: END-TO-END CONTEXTUAL SPEECH RECOGNITION》
TensorFlow version： 1.4 or 1.8