https://www.etymotic.com/wp-content/uploads/2021/05/erl-0108-2007.pdf https://www.etymotic.com/wp-content/uploads/2021/05/erl-0108... Here's a publication feat

https://www.etymotic.com/wp-content/uploads/2021/05/erl-0108-2007.pdf https://www.etymotic.com/wp-content/uploads/2021/05/erl-0108... Here's a publication featuring ear protection products for musicians that attempts to do this. It's not perfect but it's pretty good (I own a set of custom earmolds with the Etymotic filters).