{
  "att_hid_chan": 4,
  "att_kernel_size": 8,
  "att_n_head": 4,
  "att_stride": 1,
  "in_channels": 256,
  "num_blocks": 8,
  "num_sources": 2,
  "out_channels": 128,
  "sample_rate": 16000,
  "stride": 160,
  "upsampling_depth": 5,
  "win": 640
}