[rhodesp04]

i'll see if i can help in providing some videos:

chopping with the mpc 1000: YouTube - Chopping a sample on the Akai Mpc1000

chopping with the mpc 2000xl: YouTube - Chopping a sample on the Akai Mpc2000XL

chopping in logic: YouTube - Just Blaze Explains sample chopping in LOGIC for www.mikechav.com

chopping in ableton: YouTube - Re-Chop That Sample in Ableton: Way to Go (By: Skyzoo & 9th Wonder)

chopping in recycle: YouTube - Making the Beat: Chopping a sample in Recycle

chopping in fl studio: YouTube - FL Studio - FL Slicer to Chop Samples - Warbeats Tutorial , YouTube - FL Studio - Using Edison to Chop - Warbeats Tutorial

i figure you gotta have at least one of these programs. if not many of the same ideas apply to other software/hardware. mainly you look for the transients (helps to keep it on beat) and chop so you can replay that section.