This gives an introduction to NLP, NLU and NLG
Please find the complete playlist for speech recognition

https://www.youtube.com/watch?v=D3JyZFkoJEE&list=PLdpmGL_ZpofVjHY4h8fv9etcGE7Z7H_hV

Please find the complete playlist for deep learning below

https://www.youtube.com/watch?v=IWoAEYNbQ-c&list=PLdpmGL_ZpofU-wdGcsUwdByrTCs9iNS_S

please findthe complete playlist for backpropagation algorith below

https://www.youtube.com/watch?v=TnG9JScUxCg&list=PLdpmGL_ZpofVNbMdrbVnAzOCZJdSpQleW

please find the complete playlist for Gradient Descent algorithm below

https://www.youtube.com/watch?v=S1d94WIg2yo&list=PLdpmGL_ZpofV_As-yjZ4IWx_CLDubHLjJ

Please find the complete playlist for math below

https://www.youtube.com/watch?v=rnQf-CVusE4&list=PLdpmGL_ZpofWBceEapT6Go6CgNGMjMu8Z

Please find the complete playlist for statistics below

https://www.youtube.com/watch?v=SwhPrVOcOzg&list=PLdpmGL_ZpofX52Txk3C09L_DtJQ0HqDbw

Please find the complete playlist for supervised machine learning

https://www.youtube.com/watch?v=6WyWz6ghrtU&list=PLdpmGL_ZpofWOVrXb5SVsXzNN2Wj2xh8a