What is crucial here, and should always be done first for any sort of tempo change operation, is that you match your session’s tempo to the loop. TAKE A BERKLEE ONLINE COURSE WITH ERIK HAWK! Plus, I’ve been using the TCE Tool for years, long before Elastic Audio came along. But, I like to have my audio loop’s tempo rounded to a whole number in order to make it easy to move around on the grid. Actually, you don’t need to use the TCE Tool, once you discover the tempo of your initial loop and lock it to the session’s tempo you can jump right to Elastic Audio. I use both the TCE Tool to round up the tempo of my loops and Elastic Audio for the general tempo changes. It works particularly well for remixing stereo masters (like the audio from a record or CD) because of how it treats the source material. This is a method that I use all the time. OK, that doesn’t really help does it? How about a video tutorial?
It really depends on the source material and your sonic objective. You could even use a combination of all three tools. “How do I tempo change a loop in Pro Tools?” This is a common question and the answer is, “There are lots of ways.” You could use Beat Detective, or you could use the TCE Tool, or you could use Elastic Audio.