Change the playback speed of Apple Loops in Logic Pro for iPad
You can quickly change the tempo of an audio Apple Loop by a multiple using the Speed parameter in the Region inspector.
Note: The Speed parameter is inactive when an audio region is selected.
Change the playback speed of an audio Apple Loop
In the Audio Editor menu bar, tap the Trim button
.Tap an audio Apple Loop to select it, or select multiple audio Apple Loops.
Tap the Inspector button
on the left side of the view control bar or press I on your external keyboard to open the Region inspector.Tap the General disclosure arrow to show the General parameters.
Tap the Speed pop-up menu and choose a multiple.
The length of the audio region changes accordingly. For example, a value of 2x time compresses the region so that it is half the length, and with a value of ½x, the region is time stretched so that it appears twice as long.
Download this guide: PDF