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benareeno
Joined: 22 Mar 2006
Posts: 1614
Location: ottawa, canada
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| Posted: Wed Nov 27, 2013 7:30 pm Post subject: lumagen questions... |
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Ok...1.78 aspect ratio input, and I want a 2.35 or 2.4 aspect ration output as that is my screen ratio.
But, when I do this, the picture shrinks!
All I want to do is active area scanning for 720p. So, something like 1280x544p. I think this little Barco would benefit from the breathing room bandwidth wise.
I may also tweak it down to 47.95Hz via Genlock...to ease the burden even more.
Has anyone implemented this successfully? Do I need to input a complete timing to make it work?
Also, if using dvd player, do I set the pedestal at 7.5?
Blu-ray pedestal at 0ire?
Thanks in advance!
Ben
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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benareeno
Joined: 22 Mar 2006
Posts: 1614
Location: ottawa, canada
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| Posted: Thu Nov 28, 2013 5:34 am Post subject: |
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Thanks Nash...I'll try it tonight.
What about pedestal 0 vs 7.5. I was always under the impression that a dvd player should be 7.5 and blu-ray player was 0.
Ben
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benareeno
Joined: 22 Mar 2006
Posts: 1614
Location: ottawa, canada
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| Posted: Thu Nov 28, 2013 9:58 am Post subject: |
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Zoom...of course! ANd it's clearly written in the manual, and I missed it!
I'm trying to get 1280x544 at 47.95Hz from an input of 1080p24 using Genlock.
How might I do it...the timings never look right when I make a change.
When I input 47.95Hz, I noticed the Htot number when much higher...so I had huge bars on each side of the raster.
Is there a course of action I should take? Order of operations?
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stridsvognen
Guest
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| Posted: Thu Nov 28, 2013 12:28 pm Post subject: |
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| benareeno wrote: | Zoom...of course! ANd it's clearly written in the manual, and I missed it!
I'm trying to get 1280x544 at 47.95Hz from an input of 1080p24 using Genlock.
How might I do it...the timings never look right when I make a change.
When I input 47.95Hz, I noticed the Htot number when much higher...so I had huge bars on each side of the raster.
Is there a course of action I should take? Order of operations? |
you need to put the timings you like, and dont touch the V rate..
What you do is calculate the pixel clock.
48/ 1,001 x H total x V total, then you get the pixel clock, enter that , and your V rate will change to the right one.
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benareeno
Joined: 22 Mar 2006
Posts: 1614
Location: ottawa, canada
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| Posted: Thu Nov 28, 2013 11:11 pm Post subject: |
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I kinda follow you there.....but not quite.
Should I go back and start with a stock 720p, and then try to put it all in under custom timings?
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stridsvognen
Guest
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| Posted: Thu Nov 28, 2013 11:38 pm Post subject: |
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| benareeno wrote: | I kinda follow you there.....but not quite.
Should I go back and start with a stock 720p, and then try to put it all in under custom timings? |
Select the resolution closest to what you need, and change it for your need.
You can change it to anything you desire if you use custom 0-7
What kind of display are you using.?
Im not quite sure what your trying to do.. but i guess you are douing a 720P output zooming the input source to fit the screen.
If so just use the standard 720P and change the pixel clock to fit to the framrate you like.
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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benareeno
Joined: 22 Mar 2006
Posts: 1614
Location: ottawa, canada
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| Posted: Fri Nov 29, 2013 5:41 am Post subject: |
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yes...and I want something like
1280x584 which is a 2.2 aspect ratio...at 47.95Hz. This would be genlocked from a 1080p/24 input.
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stridsvognen
Guest
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| Posted: Fri Nov 29, 2013 10:23 am Post subject: |
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| Nashou66 wrote: | Kurt he's talking the hdq you don't use pixel clock rate
Numbers |
Ohh.. sorry had no clue it was the HDQ. Missed that detail.. 
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