Apparently many of them make a sort of "woop, woop, woop" sound, sort of like a helicopter and is believed to be created if the meteor is tumbling as it comes in.
About 20 years ago I was driving north along Burke Rd (anyone in Melbourne will know just how "so not dark" the sky there would be) and I saw this bright white streak coming in in the north and heading west. Bits of material dripped away from the main body then it just disappeared. A couple of seconds later I heard a muffled "boof....". It must have been loud to be heard inside the car, with the window up, radio on!
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