THX Ltd, the professional audio, theatre and home-video certification company founded by filmmaker George Lucas, announced that it has updated its file and television post-production color management software THX cineSpace, improving color accuracy and consistency and adding 64-bit support for all three major operating systems (Windows, Mac and Linux) as well as adding 64-bit support to plug-in versions that work with Adobe Photoshop, Apple's Shake, Nuke and other software.