CurtPalme.com Home Theater Forum

[incova]

This was the original thread.

http://archive2.avsforum.com/avs-vb/showthread.php?t=737385

most of my movies are 2.40 so I could go with 800 1920 but I am not sure if I just input this resolution and hope this just works or is there something else I should be doing? I do not mind setting up 4 different channels for the different aspects just not sure how this works....

This will also save bandwidth as stated in the thread very useful for all of us.

[Nashou66]

Yepp do it!! What are you using to do the scaling? I use my Lumagen HDQ and set it for 800px1920 @ 72 HZ.

Athanasios

[Nashou66]

On a related note:

For those of you who use a Marquee and Lumagen video processor and maybe any other. the marquee will not allow the image to be squeezed down enough.
the Anamorphic mod for 16x9 does not give enough adjustment. the same resistors that were changed for that also need to be changed again to 68kohm.
After you make the mod you should initialize the set to reset all parameters or you will have a huge raster going way over the tube face.
Also you may have to go into green convergence to even it all out. Thanks TSE for the value of those resistors.

Athanasios

[MikeEby]

I'm getting my HTPC setup to do the same. That's why I wrote the aspect ratio control program. I can get a really decent 1:1 pattern 1920X800@72Hz refresh on my XG. Might have some screen shots later in the weekend.


Mike

[WanMan]

You know, 2-3 months back I wondered if my unused XG1351LC could handle 1080P. This, of course, was a question born with Blu-ray in mind, and to a lesser extent DBS 1080i.

While bandwidth can be saved for scope content, there is a lot of non-scope Blu-ray movies out there. That being said, how much of one's content will this approach be of benefit? Not knocking the approach, but curious just the same.

[ecrabb]

Totally unscientific numbers, here... But I'd say I watch close to 50% 16:9 in my room. If you take out the DirecTV HD and OTA HD I occasionally watch, then it's probably closer to about 2/3 2:39.

Personally, it's not worth the screwing around with an HTPC/scaler every time I want to watch a movie to switch resolutions/AR setups, etc. to eek out a bit more sharpness. If I can do something up-front that will make the experience consistently better, I'm all for that... But, I can't stand the "dinking around" with this, that, and the other thing before I sit down to watch a movie. When the wife and I hit the theater to watch a movie, we walk in, I put he disc in, hit play, and sit down. I see the appeal for some, but it's not worth it to me.

SC

[Nashou66]

Its not all that difficult to set up especially if you have something like a harmony remote. I hit 16x9 activity on my Harmony 1000 and it turns on the LG BH100 Turns on and sets my Lumagen to the correct input, turns on Both My Marquees and set them to the correct recall and I'm all set, oops!!! OH NO!!! its a Scope movie I put in I thought it was a 16x9, NO PROBLEM !!! All I do now while the movie has started is hit the activity button now select Scope movie and it changes everything for scope with out having to shut off anything. it remembers what was on and what needs to be shut off or on and changed. Of course if your a HTPC person then you'll have more trouble Integrating the Harmony as I am not sure how HTPC can switch resolutions using a remote.


Athaansios

[MikeEby]

[incova]

Athanasios! I will be using a HTPC sir, thats what I built it for, to do what I wanted lol! its a shame I sometimes do not know what that is, or how to achieve it as in this case. Seriously though I find it strange that 800 1920 can be used as a res and that just gets rid of the black bars being drawn dont I have to tell the PC to er do something else?

Mike whats this aspect ratio control program, sounds good, are we getting a preview here?

WanMan, I found that so many of my movies are 2.40 (or is that 2.39, is my packaging lying?) that this would be viable for me, also I want to get the best picture that I can out of my pj, after cutting the lc chamber out replacing the green lc shipping it from Reno this is not a big deal lol!!! The fast that I can save so much bandwidth is impressive for me I know our pjs, all our pjs except a 909 perhaps could use the bandwidth saving for HD, has anyone posted shots of 1080p 1920 vs 800 1920, maybe I will get onto that when I am set up properly.

ecrabb, I am sure it would only take you another second to select a res and be good to go sir, I would really be interested in the results of different pjs with this.



I will be using a HTPC and ) just tried the Ampro 4600 HD with 1080p, I still have not set it up fully I just wanted to see what kind of picture and performance I could get out of it at present. First thing I noticed was that it handled the resolution just fine
the picture did not go off to the right and although I did have to use some phase to get it centered it was about 70 not 90. However if I can save bandwidth its not a headache for me to just look at the aspect ratio when putting in a movie then just switch to the channel preset for that aspect, if I get it wrong I just change res and channel. The only problem I can see is perhaps uneven wear with all the differing aspect ratios, perhaps I should keep the height consistent using the largest AR but then that would cause certain ARS to have black bars on the sides......

[Nashou66]

If you really want to try something unorthodox , and you plan to only use 2.39 material you could try doing as Cliff suggested on AVS to Gary Murell after seeing the wear from his 2.40 set up on an XG1352LC. It looked as if you kept the 2.40 raster high up enough on the tube face that after that area wore out you could shift the 2.40 raster underneath it and therefore double the life of your tube by basically using it twice. The only down side would be that focus on the lens in that area may not be as sharp compared to the center. I dont know if anyone has experimented with keeping the 2.40 raster towards the top or bottom , but it be a neat experiment for a few hours of movie watching. Put the raster up high watch , critique...then move it to the center of the tube watch and critique.
Aslo Not sure if you would have to set up focus of the lens's again, if so I bet it be minimal.

Athanasios

[AnalogRocks]

[AnalogRocks]

[MikeEby]

It doesn't change resolution yet, but I'm looking into it, doesn't look to be a big deal. There does seem to be a bug in some ATI drivers that will not allow PowerDVD to stretch beyond about 700 pixels high, the issue does not seem to exist with Arcsoft Total Media Theater or with NVidia drivers and PowerDVD. I just installed a 9800GT in my HTPC and I’m testing I write this.

Mike

[Mark_A_W]

I tried 1920x804p at 72hz, comparing it to 1920x1080i at 96hz, and I couldn't see any difference AT ALL.

No way could I pick the difference in a blind test.



So I stuck with 1920x1080i at 96hz, which works for everything. More important is to make sure you mask when watch 2.39:1 films.

[incova]

what would I need for this software wise to redo the resolution and timings and remove the areas drawn for 2.40 , Powerstrip, Reclock or both? I have Powerdvd and Anydvd so playback is covered, thanks guys.