fix bug for blank audio (#1656)

jianganghan

2024-04-25 f8b4924060bb849680925e81ddf1e10ca406c225

 funasr/frontends/utils/mask_estimator.py

@@ -23,9 +23,7 @@

        self.type = type
        self.nmask = nmask
        self.linears = torch.nn.ModuleList(
            [torch.nn.Linear(projs, idim) for _ in range(nmask)]
        )
        self.linears = torch.nn.ModuleList([torch.nn.Linear(projs, idim) for _ in range(nmask)])

    def forward(
        self, xs: ComplexTensor, ilens: torch.LongTensor