[opendtv] Re: The old 720p/1080i argument again
- From: "Keith Jack" <kjack2@xxxxxxxxxxxxxxxxxxxxx>
- To: <opendtv@xxxxxxxxxxxxx>
- Date: Tue, 3 Aug 2004 18:10:36 -0700
But if the display was interlaced, wouldn't the I --> P --> I conversion
process affect video quality?
> -----Original Message-----
> From: opendtv-bounce@xxxxxxxxxxxxx
> [mailto:opendtv-bounce@xxxxxxxxxxxxx] On Behalf Of Tom Barry
> Sent: Tuesday, August 03, 2004 5:55 PM
> To: opendtv@xxxxxxxxxxxxx
> Subject: [opendtv] Re: The old 720p/1080i argument again
>
>
> > However, in all these replies, I haven't seen any
> insistance > by any broadcaster that their HD material MUST
> remain 1080i. > Which was the smoke screen layed down in the
> article that > started this thread. If a cable system wants
> to go to the > trouble of recoding 1080i into 720p, at
> roughly the same bit rate > so that image quality doesn't
> suffer, I don't know that a > broadcaster would get up in
> arms about it.
>
> I can't imagine them getting upset anyway. That is because I can't
> imagine any current stations both doing HD and also needing
> must-carry
> to get their stations on cable. Any stations negotiating for
> retransmission consent can negotiate for how their signal is to be
> carried if they really care. Either way, no one has much
> cause to complain.
>
> - Tom
>
>
>
>
>
> Manfredi, Albert E wrote:
> > Eory Frank wrote:
> >
> >
> >>Every MVPD has financial incentives to use his bandwidth
> efficiently.
> >>The difference is that cable MSOs -- at least those with 750 MHz or
> >>higher systems -- have some breathing room to add more
> services, like
> >>more HD channels, without crushing picture quality in the process.
> >>Satellite transponders, on the other hand, are squeezed pretty hard
> >>already.
> >
> >
> > Agreed. Also, to make matters that much worse for them, all
> > multichannel systems deployed an SD-only digital scheme already,
> > meaning that most of what is broadcast in HD must be
> simulcast in SD,
> > to remain backward compatible. So that only adds insult to injury.
> >
> > Local into local, for DBS systems, is yet another penalty, for the
> > multichannel distribution system most strapped for bandwidth.
> >
> > However, in all these replies, I haven't seen any insistance by any
> > broadcaster that their HD material MUST remain 1080i. Which was the
> > smoke screen layed down in the article that started this
> thread. If a
> > cable system wants to go to the trouble of recoding 1080i
> into 720p,
> > at roughly the same bit rate so that image quality doesn't
> suffer, I
> > don't know that a broadcaster would get up in arms about it.
> >
> > Bert
> >
> >
> >
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