*OFFICIAL* Infocus Screeplay 4805 thread - Page 13 - AVS Forum
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post #361 of 1071 Old 05-21-2004, 10:44 AM
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Quote:
Originally posted by X1noob
MAP?
Manufacturer's Advertised Price - the minimum price a reseller agrees to advertise the product at. It does not mean they can't sell lower however.

Maximavs - I would feel very comfortable about the accuracy of the $1499 figure. A well known, authorized online retailer is listing it at that price and I doubt that would be a mistake at this late stage.
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post #362 of 1071 Old 05-21-2004, 11:16 AM
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I know this has been done to death, but does anybody know for sure that the X2 doesn't have the faroudja DCDI? Or is it just speculation? I've checked the spec sheets, and user guides, and they say that the X2 has 'automatic de-interlacing' - maybe it's the same but they can't/won't advertise it as being the same?

a google search shows many sites out there selling X2s claiming it does...

FWIW, some dealers have told a friend of mine the X2 is the same as the illusive 4805?

anybody actually have an X2?
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post #363 of 1071 Old 05-21-2004, 12:22 PM
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Quote:
Originally posted by tdobias
... and they say that the X2 has 'automatic de-interlacing' ... anybody actually have an X2?
See my post: http://www.avsforum.com/avs-vb/showt...00#post3822104
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post #364 of 1071 Old 05-21-2004, 12:38 PM
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I see Projector Central has the IF4805 on their web now. Heck, it's even #9 on their 'most popular overall' list... pretty good for a yet to be shipped PJ eh? ;)
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post #365 of 1071 Old 05-21-2004, 12:43 PM
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Quote:
Originally posted by tdobias
I know this has been done to death, but does anybody know for sure that the X2 doesn't have the faroudja DCDI? Or is it just speculation? I've checked the spec sheets, and user guides, and they say that the X2 has 'automatic de-interlacing' - maybe it's the same but they can't/won't advertise it as being the same?

a google search shows many sites out there selling X2s claiming it does...

FWIW, some dealers have told a friend of mine the X2 is the same as the illusive 4805?
AFAIK, the X2 deinterlacing is being done by the Texas Instruments DDP2000 chip:
http://www.insightmedia.info/news/TI...DP2000ASIC.htm

So it does deinterlacing, but probably nothing comparable to the Faroudja deinterlacing done by the FLI2310 in the SP4805.

As far as the dealers that are telling your friend that the X2 is the same as the SP4805... you can prove them wrong yourself by simply printing and comparing the published spec sheets for the X2 and SP4805 as posted at the InFocus site.
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post #366 of 1071 Old 05-21-2004, 12:58 PM
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Quote:
Originally posted by jfine
I'm considering playing with the whole DIY parkland plastics screen. I'll post my results in the screens section (some really good discusison in there).
To help you cut to the chase, here's a link to the self-described "inventor" of the Parkland Plastics DIY screen and his tried and true methods:
http://www.rongeyer.com/Theater/index1.html

I'm getting close to taking my own plunge into this. Looking forward to comparing results.
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post #367 of 1071 Old 05-21-2004, 01:05 PM
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jfine, thx, saw your post. Did you test it with a progressive scan DVD player? If so, I presume the X2 wouldn't use it's own? I have an old panasonic A310, so I guess I need to rely on the built in de-interlacer, or get a newer DVD player?

Mike - thx, now looking for more info on the DDP2000.

Or maybe I should be trying to get hold of an X1?
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post #368 of 1071 Old 05-21-2004, 01:15 PM
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Quote:
Originally posted by tdobias
Mike - thx, now looking for more info on the DDP2000.
If you find any, please let me know. I haven't found much other than the link I included in my post.

Here's some info on the FLI2310 in the SP4805:
http://www.gnss.com/products/FLI2300.phtml
(Note: the FLI2310 is a variant of the FLI2300, but with digital outputs only)

And some Faroudja DCDi info:
http://www.gnss.com/dcdi.phtml
http://www.dcdi-video.com/technology...-overview.html

And you're correct that if you used an X2 with a progressive input then you wouldn't be using the X2's deinterlacing. But there are lots of other advantages of the SP4805 over the X2 besides the Faroudja.
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post #369 of 1071 Old 05-21-2004, 01:22 PM
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Thats weird I had a piece of Parklands about 6 months earlier...
Sintra board actually works better than Parklands BTW..

The X2 does not have the same dcd... It uses a cheap one... Distribution for the X1 will run out after the inventory is depleted..

Lol .. #9 on the most popular list .. thats not motivated..

Robert
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post #370 of 1071 Old 05-21-2004, 01:22 PM
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long story, but I'm buying via my company's procument dept. & I have to order by end of next week. X2 is on the list, X1 is not, but maybe can get it. So my choice is artificially limited. I'd prefer the 4805 naturally, but it's out of scope this time round.
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post #371 of 1071 Old 05-21-2004, 01:47 PM
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tdobias -

If you intend to use your PJ primarily for HT, I would not recommend the X2. The X2 is about as business centric as they get. I'd actually prefer an X1, or even a 6100 to the X2. In my experience, hasty decisions are generally poor ones.
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post #372 of 1071 Old 05-21-2004, 02:32 PM
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For those having trouble finding good deals on longer-length DVI cables, here's a good link. I've bought from them before and was very pleased.

http://www.pccables.com/cgi-bin/orde...e=g.dvi&rcode=
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post #373 of 1071 Old 05-21-2004, 02:54 PM
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I've started a new thread with specifics on our Denver shootout involving the 4805. We are holding it June 5th and 6th at the Tech Center Marriott and everyone is welcome.

Details can be found here:

http://www.avsforum.com/avs-vb/showt...hreadid=404458

John
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post #374 of 1071 Old 05-21-2004, 03:45 PM
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From another thread:
Quote:
Originally posted by Jim McC
Based on specs. and 4800/X1, how do you think the 4805 will look with HD satellite programming? I'm wondering whether to wait another few weeks or buy something else. Thanks for your opinions.
I think any kind of HD will look great.. native 16:9 projector, lots of lumens, high contrast, etc. That is keeping in mind that the projector resolution is only 854x480, not true HD resolution. I don't think any other SVGA or WVGA will beat the image of the SP4805 for HD.

If you want better HD I think you'd have to go to a higher resolution projector to get it.
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post #375 of 1071 Old 05-21-2004, 04:48 PM
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Quote:
Originally posted by acksnay
For what it's worth, the 4800 offset values are here:
http://www.infocus.com/service/sp480...%20english.xls
Is the width input value in that calculator, the diagonal width or the horizontal width?

Thanks,
Samplehead
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post #376 of 1071 Old 05-21-2004, 04:54 PM
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Quote:
Originally posted by samplehead
Is the width input value in that calculator, the diagonal width or the horizontal width?
Horizontal
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post #377 of 1071 Old 05-22-2004, 03:50 PM
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Received email back from tech support rep yesterday-

The image offset is 127.3%.

Image offset distance = 27.3% x image height.
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post #378 of 1071 Old 05-22-2004, 04:15 PM
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Someone tell me if I've got this right regarding the offset. If my 16/9 screen is 44 inches high, then the ceiling mount offset will be :

44 x .273= 12 inches.

If the center of the lens is say 3 inches above the pj feet, does that mean the top of the image will be 9 inches lower then the platform the pj sits on ?
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post #379 of 1071 Old 05-22-2004, 04:58 PM
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You might be a bit confused about the pj feet and the projector sitting on a platform.

Assuming you are mounting the projector upside down (for a ceiling mount), it means the top of the image will be 12 inches below the center of the lens.

If you were to mount the projector upright (for a table-top mount), then the bottom of the image would be 12 inches above the center of the lens.
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post #380 of 1071 Old 05-22-2004, 05:47 PM
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Technut :

I think I am confused. I'm not doing either. I'm planning to let it sit right side up on a shelf. The shelf will span two exposed beams in the ceiling. So I guess that its an upright "tabletop" mount except that the table top will be about 10 inches below the ceiling and a few inches above the top of the screen. Will there be a setting to throw the image lower than the lens, or will I have to rest it upside dowm on the shelf ?
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post #381 of 1071 Old 05-22-2004, 06:35 PM
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Based on post#377 (thanks kuvasz!) and by deriving short and long throw variables from the InFocus 4805 calculator, I'm posting this worksheet to easily figure offset values:

http://www.yourmisdept.org/docs/Scre...%20acksnay.xls

No guarantees! But if the offset really is 127.3% then it's accurate. Enjoy.
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post #382 of 1071 Old 05-22-2004, 06:42 PM
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timesnewroman, there will be a setting to flip the image itself, to allow it to be upright no matter if the projector is upside down or not.

But there is no setting or way to redirect the throw as you want to do. It will always throw the image upward when sitting on its base (downward when mounted upside down).

So yes, if you want it to throw the image down from the ceiling then you have to mount the projector upside down. For example, in your case you could perhaps hang it upside down below the shelf.
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post #383 of 1071 Old 05-22-2004, 06:43 PM
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Quote:
Originally posted by timesnewroman
Technut :

I think I am confused. I'm not doing either. I'm planning to let it sit right side up on a shelf. The shelf will span two exposed beams in the ceiling. So I guess that its an upright "tabletop" mount except that the table top will be about 10 inches below the ceiling and a few inches above the top of the screen. Will there be a setting to throw the image lower than the lens, or will I have to rest it upside dowm on the shelf ?
You'll need to have the 4805 upside since it is essentially a ceiling mount. I am doing something similar since I have a perfect place near the ceiling to place the 4805, as such I am building a rack of sorts so I can set it upside down and have it lay flat and stable, plus not have it sitting on the buttons that are on top of the unit.
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post #384 of 1071 Old 05-22-2004, 07:14 PM
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Thanks acksnay for the easy converter.
i had to go watch the Flyers lose(damn it!)
This is going to work out great for my low ceiling. Although i am also bummed on the possible fan noise.
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post #385 of 1071 Old 05-22-2004, 08:18 PM
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Quote:
Originally posted by kuvasz friend
i had to go watch the Flyers lose(damn it!)
Damn! As a (former) Philadelphian, I wanted to see them win, but I guess I'm not much of a fan if I'm getting my sports news from avsforum.
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post #386 of 1071 Old 05-22-2004, 08:20 PM
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Quote:
Originally posted by timesnewroman
Technut :

I think I am confused. I'm not doing either. I'm planning to let it sit right side up on a shelf. The shelf will span two exposed beams in the ceiling. So I guess that its an upright "tabletop" mount except that the table top will be about 10 inches below the ceiling and a few inches above the top of the screen. Will there be a setting to throw the image lower than the lens, or will I have to rest it upside dowm on the shelf ?
go to projectorcentral you can see pictures of home theaters with projectors ceiling mounted. That will give an idea.
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post #387 of 1071 Old 05-23-2004, 07:38 AM
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I just read the Projector Central article on the 4:3 vs. 16:9 decision. Evan Powell makes a compelling argument for going with a 4:3 PJ and screen. Up until now I've been convinced that 16:9 is the way to go since I'll mostly want to use my theater for DVDs. But, I will want the big screen experience for sports and some music videos like the Eagles HFO concert DVD. Going with a 4:3 apparently will yield the largest image for all formats.

Although I was ready to go with the 4805, I think I should seriously consider the 4:3 contenders in this price range which I believe to be the H30 and the PB6200. I'd be interested to read comments on how others have arrived at the decision to use a 16:9 PJ
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post #388 of 1071 Old 05-23-2004, 07:57 AM
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The decision should go by viewing habbits. You're right in thinking Sports and Music Videos & Classics will be more fun on a full sized 4.3 screen. While at the same time you're not going to lose a dime of screen real estate for your HDTV or 16.9 material.

Many will justify by saying 4.3 product looks real bad. I don't agree, If you have a good machine TV even digital cable can look good on the big screen. :)

When I was waiting for a updated firmware I wouldn't even view any of my 4.3 DVD's and I have allot, Classics and Music. I waited till I got the fix and then started viewing them again.

If all you're going to do is watch HDTV and 16.9 DVD's then for the aesthetics alone you should get a 16.9 scren and projector if you can. You can still view the smaller 4.3 image for good sports video or TV shows and it will still be bigger than any RPTV or Tube TV.

So you see both sides of the 16.9 or 4.3 fence really don't have it too bad. :)

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post #389 of 1071 Old 05-23-2004, 08:29 AM
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Quote:
So yes, if you want it to throw the image down from the ceiling then you have to mount the projector upside down.
Wow, glad I found this out now. I had assumed that the "ceiling mode" shifted the throw rather than merely invert the image.

Quote:
I am building a rack of sorts so I can set it upside down and have it lay flat and stable, plus not have it sitting on the buttons that are on top of the unit.
Me too now I guess. Something else to do while waiting for the thing. Mayby some 1 by 2 inch MDF rails running front to back on the shelf with half inch rabates making slots to lock the sides into......
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post #390 of 1071 Old 05-23-2004, 09:08 AM
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Alas, no 4805 at HE Expo. They had the 777, which I didn't wait for the demo. They also had either a 5700 or a 7205, couldn't tell which. The 777 is HUGE. Not exactly something you would put in your living room. I did get the 4805 glossy. Their signs all listed the 777, 7205, 5700, and the 4805 as the line-up. All the older models are gone even though they are still listed on the web site, probably to push out the remaining inventory.

They also had the biggest, emptiest room at the show. Considering how crowded some rooms were, it seemed a shame to waste that much space. Its not as if the throw on the 777 demanded it, it was placed in the middle of the seating area. No wonder they're losing money. They could have split that room in two and had 2 pjs going at once, even if one didn't have sound. They could probably have had demos of all 4 if they wanted.
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