Thanks.
Basically I want all ps3 sounds back, literally, so the best option would be to get those from the original 4.85 OFW .pup or 4.84.2 D-REX Rebug and then replace those rco mentioned, system plugin, edy plugin, video editor... and all should be fixed yes?
The best option is to extract the files from the official firmware of the same version than the CFW/HEN you have installed
In this case for sounds, i bet sony didnt updated them since lot of firmware versions ago so most probably are exactly the same identical .VAG files since firmware 4.00 or so up to 4.85
Anyway, as a general rule is always better to work with files of the same version you have installed to prevent incompatibilities
I dont know how many sounds was modiyed for the PS4 PRO MOD, you can ask
@LuanTeles or check by yourself (comparing MD5 VS the official files), but my guess is you only need to worry about the sounds inside system_plugin.rco
Unfortunatelly I only have my windows at home and I only cmbk for special dates like xmas etc... I have my macbook but l don't want to split the disk to install windows, that's why l ask if someone has time to attach the files, btw thanks for your time
I just reminded something you are going to like, ManaGunz includes the source code of RCOmage

Inside the filemanager of ManaGunz you can extract RCO contents, replace some of the extracted files, and then recompile the RCO
The "golden rule" you need to remember when working with this file conversions in ManaGunz is (before doing any conversion) to copy them to a "working directory"
You know... that directory could be any folder (you can create a folder named
dev_hdd0/RCOtests/)
Copy the files there... and from that point you are free to do whatever you want with them in a safe way, because the firmware is not going to load them from that "working directory" path
And when you are done with the RCO conversions (do it a couple of times to verify that the result is the same, also ManaGunz can do MD5 checksums to compare files)... then you can enable dev_blind and overwrite the originals in dev_flash