    def forward(self, c):
        """
        Args:
            c : B x C x T
        """

        # B x 1 x C x T
        c = c.unsqueeze(1)
        for f in self.up_layers:
            c = f(c)
        # B x C x T
        c = c.squeeze(1)

        if self.indent > 0:
            c = c[:, :, self.indent : -self.indent]
        return c
Args:
c : B x C x T
models/vocoders/autoregressive/wavenet/upsample.py