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COMPRESSION/MPEG TEST EQUIPMENT Acterna SyncCheck: now shipping; Windows-based software developed by Interra Digital Video Technologies; measures lip-sync accuracy in MPEG bitstreams; deconstructs an MPEG system stream and displays sequence of video frames as thumbnails and the various audio channels as colored waveforms against a common timeline; features include MPEG system stream demultiplexing engine, support for all MPEG system formats including ATSC and DVB, built-in Dolby Digital decoder and sync offset measurement accuracy to .1msec; 800-854-2708; 858-279-2200; fax: 858-627-0146;