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HD Football 720P - 1080i

3 replies [Last post]
Thu, 11/17/2005 - 21:33
Scott S.
User offline. Last seen 15 years 2 weeks ago. Offline
Joined: 18 Aug 2005

Hello Folks,
Anyone of you done, say HD football in both formats. Having the luxury of being home on Sundays watching the NFL, I notice the interlace vs. progressive issues. Mainly tight shots with a player running/jogging back to the huddle. With the 1080i network the background becomes rectanglular blocks, but I do not see this on the other two I know broad/cablecast in 720p.
My question is, is that something noticable in the truck or is it further down the transmission line? Or even my LCD HDTV vs. a crt set? Just wondering if you have worked a game & saw a hd replay, noticing a big difference at home vs. on-site? I am sure there is a difference, just wondering is it big and how much better is 720P vs. 1080i for sports.

Thanks for your replies.
Scott S.

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Sat, 11/19/2005 - 03:42
#1
sahonen
User offline. Last seen 15 years 2 weeks ago. Offline
Joined: 18 Aug 2005
[quote="Mike Cumbo"]I have not bought a HDTV yet, when we transmit true HD or something close, then I will buy.[/quote] I don't think that's ever going to happen. The cable provider only has so much bandwidth, so they can either give you perfect quality on fewer channels, or heavy compression on more channels. Guess which one lets them charge more money. EDIT: If we can uplink uncompressed HD back to master control, though, that would certainly make things look better by getting rid of generational loss. The issue is getting hardware that can handle those data rates in a radiation-hardy package you can put in a satellite. I'd go on about Van-Allen belts and so on, but I fear my geek is showing already.
- Stephan Ahonen
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Fri, 11/18/2005 - 18:51
#2
Mike Cumbo
User offline. Last seen 3 years 22 weeks ago. Offline
Joined: 18 Aug 2005
Transmission is the weak link the HD chain. As Jonas said, the feed from site to master is usually compressed and the feed from master to the local station gets compressed again and if you are watching on cable more compression. The hockey I do in 1080i looks great in the truck, we know the viewers don't see what we see. I have not bought a HDTV yet, when we transmit true HD or something close, then I will buy. (what good is having a HDTV at home when I'm in the truck....?)
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Thu, 11/17/2005 - 22:25
#3
jonas
User offline. Last seen 15 years 2 weeks ago. Offline
Joined: 21 Aug 2005
scott, i do a 1080i NFL show and it is not noticeable in the truck. the signal is compressed to go through the fiber optics (or Sat uplink for that matter) to your cable co. and maybe again from your cable head end to your box. are you using an HDMI cable? i have a HD LCD and do notice some noise on my games (DVR record) that is NOT in the truck. jonas
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