"NPC_AttackHelicopterGrenade.PingCaptured" { "channel" "CHAN_STATIC" "volume" "1.0" "soundlevel" "SNDLVL_80dB" "pitch" "100" "wave" "npc/attack_helicopter/aheli_mine_captured_loop1.wav" } "NPC_AttackHelicopterGrenade.HardImpact" { "channel" "CHAN_WEAPON" "volume" "VOL_NORM" "soundlevel" "SNDLVL_120dB" "pitch" "100" "wave" "physics/metal/metal_canister_impact_soft1.wav" } "NPC_AttackHelicopter.EngineFailure" { "channel" "CHAN_STATIC" "volume" "0.8" "pitch" "90" "soundlevel" "SNDLVL_130dB" "wave" "npc/attack_helicopter/aheli_crashing_loop1.wav" }