Modem connection, signal, interference:
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Typewriter, environmental sounds, Office work
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Computer keyboard
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Closes the CD / DVD tray, Opens
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Computer mouse movement
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Double click computer mouse
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Pressing a keypad, input error sound
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Removed, The USB flash drive is inserted
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Old computer keyboard
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Bios, Sound signal of a bios computer
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CD / DVD drive, disc read
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Computer interface, signals
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Opens, disc read, closes the CD / DVD tray
★★★★★