Convert DRM’ed Video file from iTunes

I want this file un-drmed, with no loss of quality. It’s a video file I bought from iTunes. Tunebyte lags, so the sound is un synced. I need help.
Answer #1
theres a few tools out there that can do it wiki has a section on them
http://en.wikipedia.org/wiki/FairPlay_(DRM)#Circumventing_FairPlay
probably easyer and quicker just to redownload an unprotected version from here.
out of curiosity what video?
Answer #2
Out of curiosity, can we undrm video which we don’t buy at all ?
Answer #3
Out of curiosity, can we undrm video which we don't buy at all ?
depends if you mean DVD drm or iTunes DRM
DVD – google ‘dvd43’
iTunes – you dont
Answer #4
Is there some way to make sure it doesn’t get drm’ed when you buy it? iTunes has the video untagged. That’s why I bought it.
Answer #5
if you buy from iTunes, you get DRM, unless its one of the (small) selection of DRM-Free songs. All videos on iTunes are DRM
This excludes podcasts