UHD Ultra HD developed by NHK Labs has a format of 7680x4320 (16 times the area of 1920 x 1080 HD) at 60 f/s and with 22.2 audio. This remains a lab project with possible consumer product as far away as 20 years. Presentations at big trade shows (NAB, IBC) have been impressive.
Uncommitted editing Editing where the decisions are made and the edits completed but any can still easily be changed. This is possible in an edit suite that includes true random access editing - where the edits need only comprise the original footage and the edit instructions. Nothing is re-recorded so nothing is committed. This way, decisions about any aspect of the edit can be changed at any point during the session, regardless of where the changes are required. Where new frames are generated, such as in mixes, dissolves and compositing, all the tools and their settings are available - preferably on the edit timeline. See also: True random access.
Unicode Unicode allows computers to consistently represent and manipulate text in most of the world's writing systems - 30 are currently implemented - describing about 100,000 characters. The Unicode Standard is widely adopted and supported by the computer industry Website: www.unicode.org
Up-res The process which increases the size, or number of pixels used to represent an image by interpolating between existing pixels to create the same image on a larger format. There is no implied change of vertical scan rate. Despite its name, the process does not increase the resolution of the image; it just spreads the same over a larger canvas. The quality of the result depends on that of the interpolation. Speed is an issue for realtime work, as good quality requires a large amount of processing - which increases with the picture area. See also: Down-res, Format conversion
USB Universal Serial Bus - now available as USB 2.0 which, with 480 Mb/s maximum transfer rate, offers potentially useful connectivity for media applications on PCs and Macs. It is very cheap and widely used for connecting PC peripherals. It is a PAN, and so the service provided to any one device depends on their specification and on what other connected devices are doing. Actual speeds achieved for bulk data transfers are about 300 Mb/s - but this is likely to rise. See also: IEEE 1394 V