Sine wave (975Hz):
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The subject falls on the wooden floor.
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Ironed
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Military, pioneer horn
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Account notification tone, Beep
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Item falls on concrete
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Parachute deployment
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Tinder brush surface
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The noise of the refrigerator, rooms,
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The noise of the room, ventilation inside
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Wooden whistle
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Zapivanie Mat (long)
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Freight elevator, closing doors,, opening
★★★★★