Reference:
abhijeet3922/PyGender-Voice: https://github.com/abhijeet3922/PyGender-Voice
DmitryUlyanov/neural-style-audio-tf: https://github.com/DmitryUlyanov/neural-style-audio-tf
For Gender classification model, we add accuracy score to evaluate result.
For Gender voice transfer model, we change the optimizor to L-BFGS method