support pcm audio format

hnluo

2023-02-06 9c64377c98e458e07a076e6db4c6d310879b68bf

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from fun_text_processing.inverse_text_normalization.id.graph_utils import GraphFst
 
 
class FractionFst(GraphFst):
    """
    Finite state transducer for verbalizing fraction, 
    """
 
    def __init__(self):
        super().__init__(name="fraction", kind="verbalize")