[opendtv] Re: Disney Suspends Video-On-Demand Trial
- From: "John Shutt" <shuttj@xxxxxxxxx>
- To: <opendtv@xxxxxxxxxxxxx>
- Date: Fri, 29 Apr 2005 16:11:19 -0400
----- Original Message -----
From: "Manfredi, Albert E" <albert.e.manfredi@xxxxxxxxxx>
>
> The blurb didn't explain what the upgrades, other than to
> say HD content. I was looking for something like "using
> ATSC for transport," or some such. Surely, they can't be
> still thinking NTSC?
Disney's pilot MovieBeam setups used the Dotcast data delivery system, which
puts digital data on top of NTSC analog signals.
Disney's business model was to install a Dotcast modulator at every PBS
affiliate. We had a couple of surveys to determine what equipment they
would need to provide for our particular transmitter.
Disney must have finally found out that A) their service was way overpriced
for the number of movies they could deliver (espeically when compared to a
DVD service like NetFlix), and B) maybe Congress and the FCC were serious
after all about eventually shutting down NTSC.
> Speaking of ATSC, Randy Tomlinson reviewed the Winegard
> Square Shooter antenna in the current version of The
> Perfect Vision and claimed it was quite good. He said it
> couldn't match conventional antennas for analog reception.
> Analog signal had lots of snow, he says. Yet it was
> remarkably good for DTT, picking up signals from 40 miles
> away in difficult hilly terrain.
I opened up a Square Shooter last year, and it is basically a printed
circuit antenna. It's only forte is an extremely high front to back ratio
similar to a Silver Sensor, which of course minimizes the amount of
multipath an ATSC receiver has to deal with. As the multipath load is
reduced, the lower the S/N required to demod ATSC.
http://www.winegard.com/offair/s2shooter/WC-811.pdf
John
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