Sound Design in Digital Performer
From Help Wiki
Sound Effects Looping using Digital Performer
Project > Movie > open your movie
a. expand the mini menu in your movie and select:
> movie floats on top
> copy movie audio to sequence
b. Turn down volume in the movie window, bottom left.
While watching your movie:
a. place markers at the beginning and end points of your desired loop at the top of the
conductor track.
b. Name the marker by double clicking on the marker that is located inside the conductor track.
File:SFX Markers.png