Modem connection, signal, interference:
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Old computer keyboard
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Computer simulated laser
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Laser printer
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Read the, Insert the disk into the drive
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Typewriter, Office work, environmental sounds
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Closes the CD / DVD tray, Opens
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CD / DVD drive, disc read
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Manual copy machine
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Removed, The USB flash drive is inserted
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General noise, Office work
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Double click computer mouse
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Matrix printer
★★★★★