keep empty speech result (#1772)

彭震东

2024-05-30 a64b7d8d8aeb2bb543ca703045a45f42470e9a63

 funasr/models/normalize/utterance_mvn.py

@@ -5,6 +5,7 @@
from funasr.models.transformer.utils.nets_utils import make_pad_mask
from funasr.register import tables


@tables.register("normalize_classes", "UtteranceMVN")
class UtteranceMVN(torch.nn.Module):
    def __init__(