I'll add a few, though I'm also not sure what exactly would constitute an "academic" podcast. I'm not going to link everything, they should be easy enough to find.
Partially derivativePartially derivative
Data scepticData sceptic
This Week in Machine Learning and AIThis Week in Machine Learning and AI
Concerning AIConcerning AI
Exponential ViewExponential View
Talking MachinesTalking Machines