Hi, thank you for your reply. I thought this would be under Earth Science since Infrasound is sound waves traveling through the atmosphere at a level that humans cannot hear but instead feel. I would like to post this where it is appropriate, where I will receive wider responses. Do you have any recommendations?
Yes, she has turned down the bass (or moved the sub), I"m not sure. The thumping is gone so I don't know if they are mounted to the shared wall and would need to find out.
Thank you for your suggestions on how to make this situation better.