Problem in echoing sounds while i am copying file from dvd to hard

[fam2005]

whenever i try to copy files from my IDE DVD R/WR to my SATA hard if any sound is playing it will be echoed even click sounds on folders
setting of my DVD is master and I have one DVD plugged.
sound drive is installed

this Sony DVD was working on my old pc this new one has this problem.
thanks for your help.