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ADVANCED DIGITAL HDTV SUCCESSFULLY COMPLETES TESTING AT ATTC

 ADVANCED DIGITAL HDTV SUCCESSFULLY COMPLETES TESTING AT ATTC
 ALEXANDRIA, Va., Aug. 20 /PRNewswire/ -- The Advanced Television Research Consortium (ATRC) announced today the successful completion of testing of its Advanced Digital HDTV system at the Advanced Television Test Center (ATTC) here as part of the process to determine the standard for high-definition television in the United States.
 The system has been undergoing testing since June 15. All core tests, those that are crucial to the evaluation process, were successfully completed, as were three of the five non-core tests. Actual testing ended on Aug. 14 and the system is currently being moved out of the Test Center.
 Speaking for the ATRC, Dr. James E. Carnes, president and chief operating officer of the David Sarnoff Research Center, said, "We are extremely pleased with the performance of the system -- it performed as advertised. Advanced Digital HDTV proves we are committed to providing the best system for the American viewing audience, broadcasters, and the industry as a whole."
 "Although we are not yet at liberty to discuss actual test data, we are confident that the testing process has reaffirmed the strengths of the system's features, particularly in picture quality and NTSC non- interference characteristics," said Dr. Peter Bingham, president of Philips Laboratories, another ATRC member.
 The system was delayed in entering the ATTC in May following system integration. ATRC officials acknowledged the cooperation of Advisory Committee Chairman Richard Wiley and the staff of the ATTC in arranging a fair test of the system and in keeping the testing process on schedule.
 Along with Sarnoff and Philips, the Advanced Television Research Consortium comprises National Broadcasting Company, Thomson Consumer Electronics, Inc. and Compression Labs, Inc.
 Advanced Digital HDTV was developed jointly at the Sarnoff Center (Princeton, N.J.) and at Philips Laboratories (Briarcliff Manor, N.Y.). Unique features that distinguish the system include a high 24 Mbps data rate that provides excellent HDTV-quality pictures and sound. Advanced Digital HDTV's interoperability is enhanced through the use of digital compression techniques based on the internationally recognized MPEG standard. A two-tiered spectrally shaped signal designed to avoid NTSC interference provides excellent coverage area for broadcasters. Finally, a prioritized data transport providing greater flexibility will open up new programming opportunities by delivering a dynamically re- allocatable combination of video, audio and auxiliary data to receivers.
 The system is one of five proposed high-definition television systems being considered by the FCC as the official standard for HDTV transmission in the United States. The commission is scheduled to adopt a standard in 1993, and it is widely expected that the winning standard will be used by U.S. broadcasters and other industries for several decades.
 A demonstration of Advanced Digital HDTV's features is currently being planned.
 /delval/
 -0- 8/20/92
 /CONTACT: Cynthia S. Gray of the David Sarnoff Research Center, 609-734-3038, or Pam Golden Loder of Golden Loder Associates, 908-233-2040/ CO: Advanced Television Research Consortium; David Sarnoff Research
 Center; Advanced Television Test Center ST: Virginia, New York IN: CPR TLS SU:


CC-MP -- PH009 -- 1682 08/20/92 11:49 EDT
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Date:Aug 20, 1992
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