140120 - Bie Fanhu
1. Finish the different SNR test for ivector and GMM-UBM. Under the condition not retraining the T-matrix, the robustness of the noise for i-vector and GMM-UBM behavious alike.
2. Finish the demo for the T-matrix training on the small number of mixtures, but the according to the EER, the demos seems error.
1. Check for the errors in above 2) and finish the test.
2. Search for the papers on nowadays approaches on speech quailty check