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Stephen Urban is Vice-President of Network Systems, Delta Information systems. As chair of TR-29, he has greatly expanded its range of activities, generating many new Group 3 US standards as enhancements were added. His work experience includes manager of a CAD lab at Philco-Ford, and as software and computer facility manager for Fairchild Camera. His work at Delta includes compression of images, including color, with bi-level algorithms, differential PCM, transform coding, vector quantization and other forms of entropy coding. He is now developing protocol analyzers for video teleconferencing.
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