2020-08-31: Read references on voiceprint recognition.
2020-09-07： Build the environment for the program to run.
2020-09-14： Build the environment for the program to run.
2020-09-21： Read references about R-CNN.
2020-09-28： Start writing report.
2020-10-05： Read references about Mel Frequency and Fast Fourier Transform.
2020-10-12： Create data sets and test the effects.
2020-10-19： Looking for more and larger data sets.
2020-10-26： Improve model building..
2020-11-02： Improve model building..
2020-11-09： Writing the preliminary report.
2020-11-16： Starting adding one more convolution and testing the effect.
2020-11-23： Writing report.
2020-11-30： Writing report.
2020-12-07： Writing report. Making poster.
2020-12-14： Revision of report and poster.