What operating system?
What happens if you remove the microphone? Most experiments on most systems are not crashing (or this forum would be very noisy!) so we have to wonder what’s different in your study. The fact that you’ve got a mic involved stands out as something less common.
Generally, problems I’ve seen with crashes have revolved around:
- too much text updating (but that leads to memory error)
- too much printing being done (but that leads to freezing)
- problems with the pyo sound lib (which might fit with your issues)