Just grab a scratch sound effect – try http://www.freesound.org/index.php and do a search for “scratch” (I found a few you could use). Then place the sound effect in your audio timeline between the audio portions of the video (if you need help explaining this more, ask).
We rely on our video monitors to show us an accurate representation of our images throughout the production process. Here are some of the best video monitors currently on the market.
