http://printwiki.org/KeyingRecent Changes of the page "Keying" on PrintWiki.en-us http://printwiki.org/Keying2007-09-06 12:00:00Encyclopedia of Graphic Communications Import <div id="content" class="wikipage content"> Differences for Keying<p><strong></strong></p><table> <tr> <td> <span> Deletions are marked with - . </span> </td> <td> <span> Additions are marked with +. </span> </td> </tr> <tr> <td> Line 1: </td> <td> Line 1: </td> </tr> <tr> <td> </td> <td> <span>+ The process of identifying and labelling all the separate pieces of art, copy, or film that will need to be stripped into a single ["flat"] or that will be printed on the same page. Keying typically involves ensuring that both a ["continuous tone"] image or ["halftone"] supplied separately and the "holes" on the ["mechanical"] or ["negative"] are clearly marked, so that the stripper and/or printer inserts the correct image into the correct position.<br> + <br> + In video production, the term ''keying'' refers to the process of overlapping or superimposing one video image on another. See ["Chroma-Keying"] and ["Genlock"].</span> </td> </tr> </table> </div>