IPTC - International Press Telecommunications Council, 20 Garrick Street, London WC2E 9BT, UK Copyright 2013, IPTC, www.iptc.org, All Rights Reserved 2013-05-20T13:55:30+02:00 2008-02-29T12:00:00+00:00 2011-11-04T13:00:00+01:00 letterboxed Bars to the top and bottom. mixed Two or more different aspect ratios are used in the video over the timeline. pillarboxed Bars to the left and right. unscaled No scaling applies. windowboxed Pillar boxed plus letter boxed. zoomed Scaling to avoid any borders