140707 - Lantian Li
1.Make a new database to train the UBM and re-implement the experiment from last week.
Found that although we had modified the UBM training tools,accoring to the HTK,which could avoid the code-empty problem,
it still had effect on the system performance.
2.Using the re-weighted GMM-UBM system to make digital speaker recognition.
1.Go on the task1 and task2.