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dvh99
Joined: 25 Dec 2009
Posts: 2158
Location: nederland
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| Posted: Sun Sep 12, 2010 4:27 pm Post subject: |
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there will always be impedance mismatch when using rgbhv or you will have to have a device that outputs 5*bnc.
look under
advanced timing options
custom resolutions
user defined and select 1920*1080
i can get it to work this way.
_________________
1 answer always poses multiple questions.
marquee 9500ultra HD10L moome hdmi1.3 v3+ some mods.
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JorisS
Joined: 18 Jun 2007
Posts: 160
Location: Uppsala, Sweden
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| Posted: Sun Sep 12, 2010 7:03 pm Post subject: |
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I'm getting tired of spending endless hours trying to get a resolution and refresh rate to work, when it appears as though 1920x800p at 60Hz seems to work just as well straight out of the nvidia control panel (no powerstrip involved). The only reason for me to even try was to get rid of the judder or whatever it is that is causing the horizontal distortion lines in faster paced parts, but with the 1280x540 at 47.952hz it was in fact even worse :S
Think I'm going to take the easy way and go HDMI with 1920x800p then.
Odd thing is in the Nvidia panel I can test 1280x540 successfully, but when I choose to add it to my resolutions it simply doesn't show up. I added 1920x800 in the exact same way and it's there :s No idea why but fine, I'll go with 1920x800 then. Annoying bugger.
If anybody has some solution for the judder problem I'd be glad to hear it. If indeed it's due to the graphics card lacking strength there's not much I can do at the moment, the Zotac motherboard has an integrated ION chip and there's no expansion slot for anything else  I did test installing the Shark007 pack and running media player/media center (tried both), but for some reason that boosts the CPU to 100% which is ridiculous - Zotac advertise this motherboard as being a HD killer!! 
I could test with my stationary computer I guess, it's got an i7 CPU with 4870x2 graphics card. Could hook it up through DVI I guess.
Cheers
//Joris
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benareeno
Joined: 22 Mar 2006
Posts: 1614
Location: ottawa, canada
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| Posted: Sun Sep 12, 2010 7:20 pm Post subject: |
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you have to use reclock as your audio renderer...are you wathing pal or ntsc material?
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benareeno
Joined: 22 Mar 2006
Posts: 1614
Location: ottawa, canada
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| Posted: Sun Sep 12, 2010 7:21 pm Post subject: |
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also...how is your audio hooked up to your receiver? SPDIF can cause problems...
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JorisS
Joined: 18 Jun 2007
Posts: 160
Location: Uppsala, Sweden
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| Posted: Mon Sep 13, 2010 8:43 am Post subject: |
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ben I'm unsure if those last replies were aimed at me or somebody else earlier on in the discussion? If at me - you mean that would affect the CPU usage? Sorry can't really place the audio in this all...
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benareeno
Joined: 22 Mar 2006
Posts: 1614
Location: ottawa, canada
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| Posted: Mon Sep 13, 2010 3:59 pm Post subject: |
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how do you get audio to your receiver/amp? hdmi? Analog? Spdif?
Also, what material are you watching? Pal/ntsc? Do you know the exact frame rate that it was encoded with? If not, reclock will tell you...and it will try to synch your refresh rate to the encoded frame rate.
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David_Web
Joined: 02 May 2007
Posts: 418
Location: Sweden
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| Posted: Mon Sep 13, 2010 7:00 pm Post subject: |
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Using HDMI won't solve your problem with tearing.
Tearing occurs when the image is redrawn in the middle of being sent to the display (makes no difference if it's analogue or digital as it's still sent in a linear stream)
For (pretty much) all video it's the audio that dictates when and how fast the video is run.
By using ReClock as the audio rendered it tries to dictate when the frame is drawn, which should be when it isn't being sent to the screen.
I guess you can read the documentation of you want to know more.
As for CPU usage you need to use hardware acceleration. MPC-HC can do this. And also has a built in way to handle tearing if desired and set up properly.
There are guides and documentation available for this as well.
_________________
SNR of people are ridiculously low.
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_in_peace_
Joined: 21 Jul 2009
Posts: 152
Location: Sweden
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| Posted: Tue Sep 14, 2010 12:00 pm Post subject: |
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This one works great for me (Sony G70)
1440 x 810p
71,928 Hz
One other good thing with your setup is that you can place the coach closer to the screen and dont have the beast above your head? Is that right?
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JorisS
Joined: 18 Jun 2007
Posts: 160
Location: Uppsala, Sweden
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| Posted: Tue Sep 14, 2010 8:57 pm Post subject: |
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| David_Web wrote: | Using HDMI won't solve your problem with tearing.
Tearing occurs when the image is redrawn in the middle of being sent to the display (makes no difference if it's analogue or digital as it's still sent in a linear stream)
For (pretty much) all video it's the audio that dictates when and how fast the video is run.
By using ReClock as the audio rendered it tries to dictate when the frame is drawn, which should be when it isn't being sent to the screen.
I guess you can read the documentation of you want to know more.
As for CPU usage you need to use hardware acceleration. MPC-HC can do this. And also has a built in way to handle tearing if desired and set up properly.
There are guides and documentation available for this as well. |
Very useful info, thanks! Never heard of reclock before but will definitely look into it!
And Swedish... you don't happen to live close to Uppsala do you? 
| benareeno wrote: | how do you get audio to your receiver/amp? hdmi? Analog? Spdif?
Also, what material are you watching? Pal/ntsc? Do you know the exact frame rate that it was encoded with? If not, reclock will tell you...and it will try to synch your refresh rate to the encoded frame rate. |
Actually whilst testing the other day I didn't have any audio connection to the amp, but I think the HDMI audio was still on.
Seeing as I'm running a custom res which the amp doesn't fancy I'll be running HDMI straight to the PJ and run coax for the sound to the amp I think.
The actual clip I was watching was Transformers 1080p, exact framerate 25.000 fps. Not sure if PAL or NTSC or if there is such a thing for mkv?
Will defo look into the reclock thing - if that works I will stick with MPC-HC as it works well otherwise. Silly that Media Center with the Shark007 pack doesn't use hardware decoding though :S
Cheers
//Joris
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Person99
Joined: 09 Mar 2006
Posts: 4899
Location: Flower Mound, TX
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| Posted: Wed Sep 15, 2010 7:11 pm Post subject: |
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Light output of the CRT on a decent sized 2:39:1 screen is the achilles heel. No matter what it will never look that good because it will be too dim. You need to blend or (sorry, gotta say it), go digital. There are many reasonably priced digis that will exceed the pic quality of your XG and allow for a 12 ftL image on a 9+ foot wide scope screen.
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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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JorisS
Joined: 18 Jun 2007
Posts: 160
Location: Uppsala, Sweden
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| Posted: Wed Sep 15, 2010 9:01 pm Post subject: |
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That's nice but my screen is 7 foot (84"), if I were to get a decent priced digi that can do a 12 feet image I'd have to get a new house with it
Preliminary tests have impressed me, with the pj standing on a table and a very quick and poor setup. Think it'll do for some time to come - that said if somebody were to come by with a PT-AE4000 or the likes and allow for a comparison I'd probably be tempted. But that's not very likely to happen so I'll wait for native 2.35:1 screens to hit the market and become affordable.
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_in_peace_
Joined: 21 Jul 2009
Posts: 152
Location: Sweden
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| Posted: Mon Sep 20, 2010 11:25 am Post subject: |
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In nowdays.. The movies comes in "3D" / 1,78:1 ...is the 2.35:1-ratio dying?
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JorisS
Joined: 18 Jun 2007
Posts: 160
Location: Uppsala, Sweden
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| Posted: Tue Sep 21, 2010 9:11 am Post subject: |
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I surely hope not
As an update I can say that the PJ is now roof-mounted again, seems like I actually managed to get it very well centered this time - better than last for sure! I'm feeding 1920x800 and it's all looking pretty good! Needed a bit of point alignment and convergence to get a proper grid geometry and convergence, guess that's normal? Couldn't for the life of me see a way to get rid of some "nasty" curves near edges here and there otherwise using regular geometry adjustments.
I cannot say the image is fully focused/sharp unfortunately, the windows desktop text can be made out but it's not razor sharp by any means. That said I've not done astig yet, might make an impact.
Also wondering how big of a factor the lenses are in this? I've got Delta-HD 18 lenses on now.
One slight problem I'm having is that the image is shaking a bit, i.e. high frequent as if one is manually bumping into the thing constantly. Wondering if the fan mod I did is the cause of this, i.e. replacement fans somehow disturbing magnetic fields? Can't remember if it did this with the original fans unfortunately
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_in_peace_
Joined: 21 Jul 2009
Posts: 152
Location: Sweden
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| Posted: Wed Oct 06, 2010 11:24 am Post subject: |
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I'm also going to join the darkside and i wonder if there is a 1920 x 818p geometry mp4 that i can download some where?
(I got the 1920 x 1080p mp4 from avs forum)
Joris, how is it going on your setup?
The "nasty" curves on the edges you may get rid of with a curved screen. I have the same problem on my flat screen before.
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Mark_A_W
Joined: 15 Mar 2006
Posts: 3068
Location: Sunny Melbourne Australia
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| Posted: Mon Oct 11, 2010 7:01 am Post subject: |
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| Hdale85 wrote: | | MKV files do not have the black bars hard coded in, that's just what the computer add's in to fill up the extra space. If you go into a program like Media Player Classic and look at the video properties it should tell you what resolution it's running. |
Bollocks.
If the MKV is straight transcode from Bluray then it will have black bars.
Only if some re-encodes it (thus rendering it useless IMO), then they *may* choose to ditch the black bars. Sometimes done for downloaded stuff.
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Mark_A_W
Joined: 15 Mar 2006
Posts: 3068
Location: Sunny Melbourne Australia
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| Posted: Mon Oct 11, 2010 7:02 am Post subject: |
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| JorisS wrote: | On a sidenote (was about to make a new topic for this but probably better to toss it in here):
After mounting the 2.35:1 screen I tried quickly if I'd manage to fill it with the pj hanging where it does now (it doesn't).
While doing so I noticed that with all the picture settings set to default (ctrl + normal) the crosshair pattern is asymmetrical? I.e. the right bar on the crosshair is about 95cm whereas the left bar is only about 80cm. Why is this 
It's rather confusing and annoying when doing a setup with the medium and fine raster, I do not understand why it is so either? Is it related to some other setting I have to reset to default as well?
Apologies if this is an utter noob question, fact remains this struck me as odd and I do not understand why it is so, and whether or not it is normal/ok/problematic...
Cheers
//Joris |
Adjust linearity.
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Mark_A_W
Joined: 15 Mar 2006
Posts: 3068
Location: Sunny Melbourne Australia
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| Posted: Mon Oct 11, 2010 7:04 am Post subject: |
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| Nashou66 wrote: | Way above your budget, and i actually need 4 processors. The Blend units still have not added the CMS . They are still working on it, so they say. So i couldn't wait and i got 2 Lumagen Radiance XS's to replace my Lumagen HDQ's. They gave me a great deal with trade in Having full CMS is vital for a blend of CRT's.
Blending digitals is much easier.
Athanasios |
Honestly, having seen a HW15, the blended CRT has lost it's attraction to me. Just not worth the bother.
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Mark_A_W
Joined: 15 Mar 2006
Posts: 3068
Location: Sunny Melbourne Australia
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| Posted: Mon Oct 11, 2010 7:06 am Post subject: |
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| Nashou66 wrote: | Yeah , he doesn't believe in CIW like he doesn't belive in G... eh forget it
Athanasios |
I'd prefer CIH. Although I have CIW, because CIH is just not practical with a single CRT.
There is no God Athan, get over it.)
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Mark_A_W
Joined: 15 Mar 2006
Posts: 3068
Location: Sunny Melbourne Australia
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| Posted: Mon Oct 11, 2010 7:07 am Post subject: |
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| JorisS wrote: | It appears that windows 7 has some inbuilt feature for adding custom resolutions... added 1920x800 at 60Hz progressive, testing those 96Hz and such returned an error (either due to amp in between or due to moome hdmi card, not sure).
It's working alright it seems, just did a "quick & dirty" setup. Problem I have is something I don't know how it's called, but it's a bit like a glitch - in faster scenes, horizontal distortion occurs. I would best describe (and guess) this as being refresh rate related, somehow the PJ and the chosen rate do not match exactly so somehow it's not smooth, but screens are lost or so?
Hope somebody knows what I mean... this isn't new, had the same problem running default 1080i or p from the HTPC. Should I change the refresh rates? And would that work with the Moome card?
//Joris |
You have Tearing. Basically either your PC or your playback software sucks.
You need to run madVR and Reclock, at a multiple of 23.976hz to avoid judder.
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Mark_A_W
Joined: 15 Mar 2006
Posts: 3068
Location: Sunny Melbourne Australia
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| Posted: Mon Oct 11, 2010 7:09 am Post subject: |
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| dvh99 wrote: | | i know for a fact hdmi gives a superior image. |
I know for a fact it doesn't.
Well, it's not so simple. VGA/RGBHV is better than the two digital solutions (Moome DVI then Moome HDMI), that I have tried, and far less problematic.
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