[opendtv] Re: USDTV demos at NAB
- From: Craig Birkmaier <craig@xxxxxxxxx>
- To: opendtv@xxxxxxxxxxxxx
- Date: Sun, 2 May 2004 13:09:55 -0400
At 10:38 AM -0700 5/1/04, John Willkie wrote:
>SERIOUS bandwidth is required to understand how PSIP works, and there are
>many subtle layers, without considering E-PSIP and E-VSB and E-AC-3.
>Unfortunately, if the standard was simpler, it would not be powerful, and if
>it were less powerful, it would not be particularly handy.
The key concepts are entirely obvious and easy to grasp. As you say,
this is a learning experience for broadcasters who have spent the
past two decades trying to defend their turf against overwhelming
odds, as the multi-channel services have grown to their current level
of dominance.
The real problem is that a proper PSIP implementation across a
broadcast market is not in the interest of broadcasters trying to
protect their current business model. The ability to find content of
interest via a program guide service flies in the face of a business
model driven by self promotion and scheduling that attempts to
leverage the "power" of program adjacency.
If broadcasters work together to create a competitive program guide
technology they are in fact helping their viewers find better
programming alternatives available from their competitors. If they
try to turn PSIP into a channel oriented guide they defeat the
purpose and look stupid compared to the offerings of their
multi-channel competitors. Problem is that their competitors are
selling choice, while broadcasters are trying to keep viewers from
choosing alternatives.
Regards
Craig
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