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A sligth aside, are we (USA) still under a Congressional/FCC mandate to move to HDTV (and thus, assuming 16:9) by 2006? >>
The basic answer is yes.
The slightly more complicated answer is, analog broadcasts will be cut off in 2006 OR when 80% of the market is digital whichever is later.
That poses an interesting question. Will 80% of the market be digital by 2006? I dunno. Currently, there are 208 stations in 70 markets (source:
208 Stations in 70 Markets. I can't recall off hand though how many TV stations there are in the U.S.
The even more interesting answer is: no. There is no Congressional/FCC mandate to move to HDTV. Honestly. The mandate is to move to digital broadcasting. DTV does not have to be in HD. It all depends upon how much of the 19.4Mb allocation the stations want to dedicate to one channel. They can alternately choose to broadcast in Standard Definition digital (SD). If they choose to broadcast in SD, then they can fit 3 channels in the 19.4Mb. That means a potential for 3x the advertising revenue.
Heck, many stations would really love to only broadcast in SD and resell the extra bandwidth. The FCC doesn't take kindly to this idea though because they want to be the only ones to profit from the sale of airspace.
Any more questions about DTV?