More bickering over DTV
By BroadCasting & Cable Staff -- Broadcasting & Cable, 7/9/2000 8:00:00 PM
Trade groups for broadcasters and equipment makers are going back and forth over field tests the TV industry will conduct to compare the performance of rival digital transmission technologies.
The Consumer Electronics Association has urged the National Association of Broadcasters and the Association for Maximum Service Television to rethink the way they will carry out side-by-side tests using the current DTV modulation method, 8-VSB, and Europe's COFDM.
"As drafted, the procedures suggest a bias in favor of COFDM," CEA complained in a June 23 letter to NAB and MSTV. CEA said the planned data rates, power levels, antennas and other parameters being contemplated all would boost COFDM's performance compared with 8-VSB.
But "nothing could be further from the truth," the broadcasters countered in a June 29 response. "We have gone to great lengths to ensure that the project tests are conducted in an absolutely neutral and scientific fashion."
Broadcasters are worried that 8-VSB is unsuitable for indoor reception and are hoping for a standard that works better and can be used for mobile devices. CEA is fighting to stick with 8-VSB.
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