Grand-alliance meaning

An ad hoc advisory group formed by the United States Federal Communications Commission (FCC) in May 1993, comprising AT&T, General Instruments, Zenith, The Massachusetts Institute of Technology (MIT), Thompson Consumer Electronics, Philips Consumer Electronics, and the David Sarnoff Research Center.The efforts of the Grand Alliance led to a set of recommended Digital TV (DTV) standards for Standard Definition TV (SDTV) and High Definition TV (HDTV). Those recommended standards were tested and documented by the Advanced Television Systems Committee (ATSC) in the summer of 1995 and approved by the FCC in December 1996. See also ATSC, digital, DTV, FCC, HDTV, and SDTV.
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