This is an old version. Please visit https://github.com/snsun/separation to get the new one. This project is used for PIT training of two speakers. We use Tensorflow LSTM to do PIT. Reference: Kolbæk, M., Yu, D., Tan, Z.-H., & Jensen, J. (2017). Multi-talker Speech Separation and Tracing with Permutation Invariant Training of Deep Recurrent Neural Networks, 1–10. Retrieved from http://arxiv.org/abs/1703.06284