Sensations of sound and vision can be digitized in the distant future to such a high quality that a person listening and viewing from one vantage point could not distinguish between the display and reality. Calculating facts about the digital representation of reality is useful today in order to place the current level of technology into context-answering the question: where does today's technology fit into developments heading towards ultimate transparency of audio/video experiences? Bio Tomlinson Holman is a professor in the School of Cinema-Television and principal investigator of the Integrated Media Systems Center of the School of Engineering at the University of Southern California. He is president of TMH Corporation where he develops entertainment technology, and founding editor of Surround Professional magazine. He developed the Lucasfilm THX Division's offerings: the THX Sound System for motion-picture theaters, Home THX, and the THX Laser Disc Program, and was technical director for the design phase of Skywalker Ranch. Holman holds six U.S. and corresponding foreign patents, licensed by over 50 companies. He holds Fellowships of the Audio Engineering Society, the British Kinematograph Sound and Television Society, and the Society of Motion Picture and Television Engineers. He is a member of the Acoustical Society of America and IEEE. He won the Samuel L. Warner Medal and the Eastman Kodak Gold Medal from SMPTE, and the 1996 Career Acheivement Award from the Cinema Audio Society. He is the author of Sound for Film and Television, Focal Press, 1997. He is also a graduate of the College of Communications, BS'68, University of Illinois at Urbana-Champaign.