0:04
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Keyboard, type sequence fast
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0:01
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Morse code letter "p"
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0:04
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Extension chord retractable. Recoil.
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0:05
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Toy, jack in the box popping out
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1:00
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Test tone, oscillating log sweep sine wave, ascending 20hz through 20khz for 60 seconds at -12db
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0:01
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Morse code letter "i"
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0:01
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Test tone, oscillating log sweep sine wave. descending 20khz through 20hz for 1 second at -12db
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0:01
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Scraping a metal shovel on cement and scooping slush
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0:01
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Morse code letter "o"
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0:01
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Morse code with a weak signal, number seven
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0:01
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Machine lever pull or crank.
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1:00
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Test tone, sine wave at 4khz for 60 seconds at -12db, loop
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1:00
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Test tone, sine wave at 50hz for 60 seconds at -12db, loop
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0:01
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Morse code with a weak signal, number five
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0:01
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Morse code letter "s"
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0:01
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Morse code letter "l"
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0:01
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Morse code with a weak signal, number zero
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1:00
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Test tone, sine wave at 10khz for 60 seconds at -12db, loop
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0:01
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Test tone, oscillating log sweep sine wave, ascending 20hz through 20khz for 1 second at -12db
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0:01
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Morse code with a weak signal, letter "d"
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