Create cmvn-converter.py

hnluo

2023-03-30 79e9f2298c7a090f291dce83bc9e5121e86d2ef0

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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