I need a little help.Just one answer about the folders.

[Chammy]

I just want to know when I am making a sound mod do i have to change all sounds from Resistance folder also or just the Cold War folder and just copy whats changed from Cold to the Ressitence sound folder?Like the sound.pbo in Resistance, and the Sound.pbo in Cold, do I need to change both as seperate modifications and or just the Cold sound and just copy and paste?