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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.
loop/category/knock/category/helicopter sounds
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loop/category/knock/category/helicopter sounds
footsteps
shotgun
attack
slide
knock
sink
sniper
thunder
sand
unlock
underwater
shot
heart
loop
ceramic
fire
bullet
water
sliding
wood
concrete
cicadas
grenade
moving
smoke
footstep
glass
splat
sharp
running
knife
blood
pistol
metallic
melee
weapon
rain
three
trigger
bell
explosion
knocking
sharpen
heartbeat
countryside
break
metal
waterfall
laser
helicopter
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