https://github.com/axinc-ai/ailia-models/tree/master/audio_processing/unet_source_separation

https://storage.googleapis.com/ailia-models/unet_source_separation/second_voice_bank.best.opt.onnx
https://storage.googleapis.com/ailia-models/unet_source_separation/second_voice_bank.best.opt.onnx.prototxt

https://storage.googleapis.com/ailia-models/unet_source_separation/RefineSpectrogramUnet.best.opt.onnx
https://storage.googleapis.com/ailia-models/unet_source_separation/RefineSpectrogramUnet.best.opt.onnx.prototxt