fix LfrCmvn for paraformer (#1097)

Yabin Li

2023-11-16 0c68c942fe84567c48f62b59a0bc0e60d0b29b15

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import os
 
 
def get_abs_path(rel_path):
    """
    Get absolute path
 
    Args:
        rel_path: relative path to this file
 
    Returns absolute path
    """
    return os.path.dirname(os.path.abspath(__file__)) + "/" + rel_path