[opendtv] Re: 20060912 Twang's Tuesday Tribune (Mark's Monday Memo)

  • From: Bob <bob@xxxxxxxxxx>
  • To: opendtv@xxxxxxxxxxxxx
  • Date: Thu, 14 Sep 2006 17:40:05 -0400

Manfredi, Albert E wrote:

Bob Miller wrote:

First I would not recommend using what Freeview is using. The
average transmitter power in the UK is 3 kW ERP. Can you imagine
that power level with 8-VSB?

Sure. In 2000, in Hong Kong, they used only 100 W with 8-VSB. Worked amazingly well.

Low power requires receivers with good sensitivity and a scheme that
supports low C/N margins. In the presence of multipath, it helps to have
a scheme where what small margin there is doesn't get eaten up in trying
to compensate for multipath.

Looking at the specs of the better new receivers, 8-VSB should do very
well at low power levels, compared to the competition. Precisely because
of the above two points.
Just do a search for Freeview on Ebay. 565 hits many of which
are for laptop and portable receivers.

Proving what? Only that people there choose OTA and people here prefer to get suckered into subscription schemes.

Bert
No, people there got suckered into subscription schemes also. Cable and satellite but mostly satellite. What is interesting is that Satellite is being effected by Freeview both as to pricing, content and how many are signing up. New subs are almost flat which has prodded them to push HD, pricing is under pressure and some content is leaving satellite for the greener pastures of Freeview.

Discourse on the merits of our old 8-VSB is pointless. A much more up to date version is being rejected in China right now. Brazil rejected it again only a month or two ago. The market has spoken, 8-VSB is dead.

Bob Miller


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