o i@s(ddlZddlmZGdddeZdS)N) AbsEncodercsVeZdZdZdededeffdd Zedefdd Zd ej d ej fd d Z Z S) ConvEncoderz;Convolutional encoder for speech enhancement and separationchannel kernel_sizestridecs8ttjjd|||dd|_||_||_||_dS)NF)rrbias) super__init__torchnnConv1dconv1drr _output_dim)selfrrr __class__T/home/ubuntu/.local/lib/python3.10/site-packages/espnet2/enh/encoder/conv_encoder.pyr s   zConvEncoder.__init__returncCs|jS)N)r)rrrr output_dimszConvEncoder.output_diminputilenscCs`|dks Jdt|d}||}tjj|}|dd}||j|j d}||fS)aForward. Args: input (torch.Tensor): mixed speech [Batch, sample] ilens (torch.Tensor): input lengths [Batch] Returns: feature (torch.Tensor): mixed feature after encoder [Batch, flens, channel] z+Currently only support single channel inputr) dimr unsqueezerr functionalrelu transposerr)rrrfeatureflensrrrforwards   zConvEncoder.forward) __name__ __module__ __qualname____doc__intr propertyrr Tensorr! __classcell__rrrrrsr)r espnet2.enh.encoder.abs_encoderrrrrrrs