I’m getting random error sounds on my computer ! Help !?

MY PARTNER AND I randomly take note of two models of 2-tone mistake sounds at my pc (down-up) (up-down) the same sounds MY PARTNER AND I get any time i’m with i-tunes along with plugging the ipod on the tower….make sure you help!

Read in this article about beep unique codes and exactly what they mean.
http://www.ryansccs.com/computer-beeps-errors.code.