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Pulse1
Joined: 06 Apr 2008
Posts: 28
Location: UK
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| Posted: Sun Apr 06, 2008 7:43 am Post subject: 1080i/720p72hz on a Seleco SVD800 Millennium |
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Hi  ,
I can use both these resolutions at 72hz on my 800 via a lumagen HDP then to an HD Fury but was wondering which would be the best to use?1080i looks sharper to my eyes but would a progressive image like 720p be the all round better choice?I also have my Toshiba HD Dvd HD XE1/Panasonic DMP-BD30 both outputting 1080i is this the best resolution or would 720p output be better?I tried outputting 1080p60/24 into the the lumagen but got no picture from the BD30  The 800 can't do 1080p only 1080i or 720p so i'm just trying to get the best from it 
Many thanks
Brian
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kal
Forum Administrator
Joined: 06 Mar 2006
Posts: 18114
Location: Ottawa, Canada
TV/Projector: JVC DLA-NZ7
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Pulse1
Joined: 06 Apr 2008
Posts: 28
Location: UK
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| Posted: Sun Apr 06, 2008 11:02 pm Post subject: |
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| kal wrote: | If you're in the UK (50Hz land) wouldn't you want to use 75Hz instead instead of 72?
Kal |
Not for HD DVD and BD as they don't output 50hz for HD discs 
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Ile
Joined: 09 Mar 2006
Posts: 1491
Location: Jyväskylä, Finland
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| Posted: Mon Apr 07, 2008 9:55 am Post subject: |
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1080i would be better with HD discs, since 720p need to be scaled down. That soften fine details little.
1080i have also lower BW that makes image sharper.
Use 1080i, if you don't find interlacing fluttering annoying.
It's annoying with still picture, but video looks fine to me.
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Pulse1
Joined: 06 Apr 2008
Posts: 28
Location: UK
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| Posted: Mon Apr 07, 2008 10:49 am Post subject: |
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| Ile wrote: | 1080i would be better with HD discs, since 720p need to be scaled down. That soften fine details little.
1080i have also lower BW that makes image sharper.
Use 1080i, if you don't find interlacing fluttering annoying.
It's annoying with still picture, but video looks fine to me. |
Thank's for the reply So you reckon i should have 1080i going into the HDP and 1080i coming out of the HDP for a better sharper image for HD discs.The great thing about the HDP is it has great tweeks for crt projectors as well.
Brian
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Ile
Joined: 09 Mar 2006
Posts: 1491
Location: Jyväskylä, Finland
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| Posted: Mon Apr 07, 2008 11:57 am Post subject: |
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Yep, that was what I meant. You can also test 1080i 96Hz, to see if you like it better than 72Hz.
Even you don't use HDP for scaling or deinterlacing with 1080i, it's still needed for chancing 24Hz to 72Hz and porch setting tweaking. Many times porches from hd players aren't best for your crt projector without tweaking.
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kal
Forum Administrator
Joined: 06 Mar 2006
Posts: 18114
Location: Ottawa, Canada
TV/Projector: JVC DLA-NZ7
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Person99
Joined: 09 Mar 2006
Posts: 4899
Location: Flower Mound, TX
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| Posted: Mon Apr 07, 2008 7:39 pm Post subject: |
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OP, see my response in your other thread about this.
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Dave
A train station is where the train stops. A bus station is where the bus stops. On my desk, I have a work station....
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Ile
Joined: 09 Mar 2006
Posts: 1491
Location: Jyväskylä, Finland
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| Posted: Mon Apr 07, 2008 8:16 pm Post subject: |
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| kal wrote: | Really?? Are you saying that you buy a region B (or "2") Blu-ray player where TV is normally 50Hz, the Blu-ray player and region B discs will output 60Hz? How does it work on TVs that only do 50Hz? I'm missing something here...
More info on Blu-ray region coding: https://www.curtpalme.com/forum_archived/viewtopic.php@t=9923.html
Kal |
Yep, all our HD discs are 24Hz/60Hz like yours, same thing with French Canal releases. All our tv's that can show HD resolutions can also take least 60Hz (lcd, plasma). All those 50Hz only crt tv's are 576i only.
For some reason those few satellite HD channels use 50Hz.
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Pulse1
Joined: 06 Apr 2008
Posts: 28
Location: UK
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| Posted: Tue Apr 08, 2008 6:58 am Post subject: |
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| kal wrote: | | Pulse1 wrote: | | kal wrote: | If you're in the UK (50Hz land) wouldn't you want to use 75Hz instead instead of 72?
Kal |
Not for HD DVD and BD as they don't output 50hz for HD discs |
Really?? Are you saying that you buy a region B (or "2") Blu-ray player where TV is normally 50Hz, the Blu-ray player and region B discs will output 60Hz? How does it work on TVs that only do 50Hz? I'm missing something here...
More info on Blu-ray region coding: https://www.curtpalme.com/forum_archived/viewtopic.php@t=9923.html
Kal |
I have the region A BD30 the reason being that you's guys get the film titles released before the UK  Lol
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Pulse1
Joined: 06 Apr 2008
Posts: 28
Location: UK
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| Posted: Tue Apr 08, 2008 6:59 am Post subject: |
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| Person99 wrote: | | OP, see my response in your other thread about this. |
Ok thanks alot mate
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kal
Forum Administrator
Joined: 06 Mar 2006
Posts: 18114
Location: Ottawa, Canada
TV/Projector: JVC DLA-NZ7
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| Posted: Tue Apr 08, 2008 8:51 pm Post subject: |
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| Ile wrote: | Yep, all our HD discs are 24Hz/60Hz like yours, same thing with French Canal releases. All our tv's that can show HD resolutions can also take least 60Hz (lcd, plasma). All those 50Hz only crt tv's are 576i only.
For some reason those few satellite HD channels use 50Hz. |
Interesting. I learn something new every day... I suppose at higher resolutions there's no reason to stick to the old 50Hz standard... Thanks!
Kal
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