Media playback systems, consisting primarily of media players; 3D computer graphics software; computer software for playback of audio-visual media and interaction with external audio-visual equipment for use within live audio-visual events, science centers, visitor attractions, planetariums, theme parks, and for use in the retail and museum industries; real-time software, networked software and computer utility programs for use in media conversion, remote management of multiple media players, remote preview of graphical output and diagnostics monitoring for use in live audio-visual events, science centers, visitor attractions, planetariums, theme parks, and for use in the retail and museum industries; computer software for processing and manipulating moving media, images, graphics and text; broadcast systems, consisting primarily of apparatus for media playback, recording and reproduction of sound and images designed to support broadcast industry video formats in the nature of high definition transmissions and media types, and in the nature of digital film assets consisting primarily of movie files, still imagery files and audio files