[opendtv] Re: 625 video quality is good enough....
- From: "Alan Roberts" <roberts.mugswell@xxxxxxxxxxxxxx>
- To: <opendtv@xxxxxxxxxxxxx>
- Date: Tue, 19 Oct 2004 09:35:44 +0100
If you've been reading this thread, you should already know that we're
talking of the practical possibilities of getting 1080/50p and 60p to the
viewer. At present, MPEG2 cannot reduce the raw data rate down to a
practical value for transmission within the existing agreed spectrum
allocations. I would have thought that was obvious.
----- Original Message -----
From: "Terry Harvey" <tjharvey@xxxxxxx>
To: <opendtv@xxxxxxxxxxxxx>; <opendtv@xxxxxxxxxxxxx>
Sent: Tuesday, October 19, 2004 7:54 AM
Subject: [opendtv] Re: 625 video quality is good enough....
> At 10:17 PM 10/18/2004 +0100, Alan Roberts wrote:
> >Indeed, MPEG2 would struggle, but a truly anonymous transmission system
> >could carry MPEG4, WM(whatever version) etc, and by thoroughly future
proof.
> >What we need to standardise on is the transport stream, not the scanning
> >format. Let's try to get it right this time.
> >
> >
> > >
> > > I agree, 50/60P should be the ultimate format when technology can
> > > accommodate. However, I don't know that it can be done in a transport
> > > constrained to MPEG2.
>
> What do you mean an MPEG2 transport cannot progressive scan??? The MPEG-2
> transport can carry any data one could wish to convey.
>
> Also, the choice between interlace and progressive scan is a no-brainer.
> Interlace was novel when it was introduced in 1933, but it has no place in
> a modern broadcast system.
>
>
>
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