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Originally Posted by Mr Hoover
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Thanks for posting that. I didn't know they studied the effects on multiple existing B&W receivers. You may know that the U.S. NTSC did similar studies before adopting the standard, although there was more emphasis on the theoretical problems. Those resulted in the infamous change from 60.00 Hz scanning to (60)(1000/1001) Hz.
There were similar studies of the ATSC digital TV system effects on existing analog receivers during the transition period, mainly focussed on adjacent channel interference effects. These resulted in requiring precision offset frequencies between NTSC stations and lower adjacent ATSC stations.