(L4D2) How to clearly hear the sound of jumping feet
 

https://drive.google.com/file/d/1S8I...ew?usp=sharing
Like in the video, can anyone help me with the problem of how to make the footsteps sound clearer? I'm testing on the io server, is it affected by ping? When I play on a normal server, I can't hear the footsteps clearly.
Thx everybody