add wav/text mismatch process

speech_asr

2023-02-14 f79b6decc9e1cfe7c03d3df4dd673c07d45752d7

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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