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SFXLibrary is a database of free sound effects to use in your projects. Every sound is available in MP3, WAV and OGG format.
trigger/category/knock/category/helicopter sounds
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trigger/category/knock/category/helicopter sounds
weapon
break
heartbeat
smoke
melee
trigger
three
waterfall
sharpen
knife
sliding
attack
grenade
blood
metal
moving
bell
knock
sharp
loop
shot
bullet
unlock
glass
footsteps
running
thunder
underwater
sniper
laser
helicopter
sink
metallic
water
knocking
rain
countryside
footstep
explosion
pistol
slide
fire
ceramic
sand
concrete
cicadas
heart
wood
splat
shotgun
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