Hello guys

I need help i want to import lich king sounds from wow inside a war 3 map i got 20 sounds in wav format and when i import them the unit is silent.i folowed couple of ways from net but no sucses
please help PM or answer mine tread with detailed explamation.
PS 12 hours of usles search must pay off!

i have almost no expertise in this area but make sure they're the same frequency and all that.