All things related to multicast

[Marshall Eubanks <>]

Are they 4x3 ? Or can that mapping be done ?

Regards
Marshall

On Jul 15, 2006, at 2:17 PM, Michael Wellings wrote:

> i too have a 720p camera...what would you like to know about them?
> what i don't have is a 1080P camera...
>
>
>
> On Sat, 15 Jul 2006, Marshall Eubanks wrote:
>
> > Oh, that reminds me -
> >
> > Right now I am researching the purchase of 1024x768 (p) cameras  
> > (of which there are a number). We will
> > need at least dozens. If anyone has any experience, suggestions or  
> > recommendations, I would be glad to hear of it.
> >
> > Regards
> > Marshall
> >
> >
> > On Jul 15, 2006, at 1:55 PM, Michael Wellings wrote:
> >
> > > forget 1080p cameras for now unless you have a ton of money
> > > like it or not, we still live in an interlaced world (at the  
> > > source end any)
> > > hollywood can afford better.
> > > we use 1080i as it affords higher raw bitrates etc, and stress- 
> > > testing apps and networks is the other half of what we do
> > > mike
> > > On Sat, 15 Jul 2006, Dave Devereaux-Weber wrote:
> > > > Marshall,
> > > > I'm using a Sony HVRZ1U camera - it doesn't do 1080p.  It does  
> > > > 1080i or SD.
> > > > Dave
> > > > Marshall Eubanks wrote:
> > > > > It seems odd to me to be having this discussion without any
> > > > > discussion or even mention of bit rates.
> > > > > I can do 1280 p at 29.97 fps and my little laptop can decode it  
> > > > > no sweat... if I
> > > > > encode at 100 kpbs.
> > > > > Also, coming from the computer / network side of things, I have  
> > > > > to say that I never
> > > > > intend to source any interlaced video, at least on my own dime.  
> > > > > Why use a 70 year old analog
> > > > > compression technology if you don't have to ?
> > > > > Regards
> > > > > Marshall
> > > > > On Jul 14, 2006, at 1:41 AM, Petr Holub wrote:
> > > > > > > > I'm keen to see if there are any clients who can display
> > > > > > > > 1080i in H.264. My current experience with H.264 + QuickTime
> > > > > > > > is I don't have a machine powerful enough to do that.
> > > > > > > > Although I can do 720p without any problem with the same codec.
> > > > > > > Same feel with Real and Windows Media (AKA VC-1). It is no  
> > > > > > > realistic to
> > > > > > > expect see H.264 like codec 1080[ip] stream on PC.
> > > > > > Actually, in my experience, the only 1080i streams I'm able to
> > > > > > render on commodity high-performance PCs are MPEG2
> > > > > > (and uncompressed ;o) ).
> > > > > > My question was, whether somebody has been more successful
> > > > > > with any of MPEG-4 and/or AVC (aka H.264) on PC... Or is it
> > > > > > better say on quad-core G5-based PowerMac?
> > > > > > Thanks,
> > > > > > Petr
> > > > > > ================================================================
> > > > > >                            Petr Holub
> > > > > > CESNET z.s.p.o.                       Supercomputing Center Brno
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> > > > > > 162 00 Praha 6, CZ                            Masaryk University
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> > > > > > e-mail: 
> > > > > >
> > > > > >                phone: +420-549493944
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> > > > > >                                       e-mail: 
> > > > --
> > > > David Devereaux-Weber, P.E.     
> > > >
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