Modem connection, signal, interference:
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Disc read, CD / DVD drive
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Signals, Computer interface
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Opens, closes the CD / DVD tray
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Turn off the old monitor, Turn on
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General noise, Office work
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Computer interface, signal read information
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Turn on, turn off the hard drive
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Double click computer mouse
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Communication room, computer noise
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Computer mouse movement
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Fan noise, shutting, Turning on the laptop
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Sound signal of a bios computer, bios
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