The whole "exp" folder includes all the pre-trained models.
The folder structure is

• exp
  • autoencoder
    • symAD_libritts_24000_hop300
    • symAD_vctk_48000_hop300
    • symADuniv_vctk_48000_hop300
    • symAAD_vctk_48000_hop300
    • symAD_c16_vctk_48000_hop320
  • denoise
    • symAD_vctk_48000_hop300
  • vocoder
    • AudioDec_v0_symAD_vctk_48000_hop300_clean
    • AudioDec_v1_symAD_libritts_24000_hop300_clean
    • AudioDec_v1_symAD_vctk_48000_hop300_clean
    • AudioDec_v2_symAD_vctk_48000_hop300_clean
    • AudioDec_v3_symADuniv_vctk_48000_hop300_clean