I recently have included some video in my system and have noticed that the same concert versions of some recordings sound different. Is is normal for the DVD version to sound a little more "thin" or "fleshed out" compared to the identical CD issue. I have noticed this on both the Alison Krauss "Live" recordings and Mark Knopfler and Emmylou Harris "Live Roadrunning". The DVD version just does not seem to be as complete or go as deep. I have ruled out interconnect and equipment issues. Any comments would be appreciated.

Thanks
Rob