rnnt support wav input

aky15

2023-05-23 71f1059af9bd71ce87483952bbf3964fc3d3a5f9

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from abc import ABC
from abc import abstractmethod
from typing import Iterator
 
 
class AbsIterFactory(ABC):
    @abstractmethod
    def build_iter(self, epoch: int, shuffle: bool = None) -> Iterator:
        raise NotImplementedError