The proper flooring underlayment provides sound absorption between floors, and a high-quality underlayment can deaden the thuds of footsteps and dropped items. The time to install a floor ...
It's advantageous to install it on the first floor too, as it will quiet the sound of footsteps in general. Lastly, it's also necessary to add underlayment if you have uneven, bumpy, or imperfect ...
For a more intensive solution, consider installing sound-absorbing underlayment when you renovate your floors. "They are foamy, which means soundwaves will struggle to propagate through them ...