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Meaning of T1Q1 5

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 Definition: The T1Q1.5 Video Teleconferencing/Video Telephony (VTC/VT) ANSI Subworking Group (SWG) was formed to draft a performance standard for digital video. Important questions were asked, relating to video digital performance characteristics of video teleconferencing/video telephony : - Is it possible to measure motion artifacts with VTC/VT digital transport? - If it can be done by objective measurements, can they be matched to subjective tests? - Is it possible to correlate the objective measurements of analog and digital performance specification? The VTC/VT Subworking Group's goal is to answer these questions. It has become a first step to the process of constructing the performance standard.