boundary aware transducer (#691)

aky15

2023-07-02 05ada32da80c2750cf7a831512bc55c60c39634b

 funasr/layers/abs_normalize.py

@@ -11,4 +11,4 @@
        self, input: torch.Tensor, input_lengths: torch.Tensor = None
    ) -> Tuple[torch.Tensor, torch.Tensor]:
        # return output, output_lengths
        raise NotImplementedError
        raise NotImplementedError