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post #1 of 40 Old 12-09-2007, 03:30 PM - Thread Starter
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Anyone using a HTPC with a projector? I am thinking about going that route for my next HD fix, but want to make sure it will still work OK with my HTPC.

If so what projector are you using and how far are you sitting from the screen?

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post #2 of 40 Old 12-09-2007, 03:38 PM
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I run my IN76 with my HTPC. It lights a 110" wide 2.39:1 CIH screen via a Panamorph P752 lens. Works great for DVD, HDTV, TV, etc.

See what an anamorphoscopic lens can do, see movies the way they were meant to be seen
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post #3 of 40 Old 12-09-2007, 03:47 PM
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Mits HD1000u on a 110" screen. I sit about 15' away. Everything works great over HDMI running at slightly less than 1280x720 (to adjust for overscan) from MCE2005.
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post #4 of 40 Old 12-09-2007, 04:07 PM
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PJ here, but the main problem is PowerDVD software. OTA HD is just fine. SD DVDs depend on pressing quality.

"The purpose of diplomacy is to prolong a crisis." Spock, Mark of Gideon, TOS
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post #5 of 40 Old 12-09-2007, 04:17 PM
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My Samsung 67" went down and I used an old mits used for presentations. DLP 1024x768 res. Everything lookd fine but I had to jump through hoops with cable converters only RGB and VGA input. PC recognized the standard res no problem. I use the VGA interface for my Samsung also and have not had a problem with PDVD and the HD DVD or Blu-ray movies.

My den is 21x21 and the chairs are just off the back wall. I was as close as 6ft and it looked pretty good.
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post #6 of 40 Old 12-09-2007, 05:38 PM - Thread Starter
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Quote:
Originally Posted by Davinleeds View Post

PJ here, but the main problem is PowerDVD software. OTA HD is just fine. SD DVDs depend on pressing quality.

What is the problem with PowerDVD? I have a HD-DVD (360) running off of my HTPC. I also use MyHD for the OTA-HD plus play some games with my current 60" Sony HDTV.

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post #7 of 40 Old 12-09-2007, 05:43 PM
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I use an Optoma HD72 with a DVI video card. I have used both the HDMI & DVI inputs on the projector. Have a 106" screen and watch from about 17"

Rick
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post #8 of 40 Old 12-09-2007, 06:38 PM
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Projectors are usually more compliant at taking weird resolutions and refresh rates. Us HTPCers + projectorers have been enjoying a judder free 72hz for years.
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post #9 of 40 Old 12-09-2007, 10:16 PM
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I am using an acer PH530 720p with my HTPC. works just great. I used to use it with my epson home 20, but there is a night and day difference with the 720p. I definitely suggest a DVI to hdmi adapter. It makes a big difference with quality

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post #10 of 40 Old 12-09-2007, 10:19 PM
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Quote:
Originally Posted by Davinleeds View Post

PJ here, but the main problem is PowerDVD software. OTA HD is just fine. SD DVDs depend on pressing quality.

I never had a problem with powerdvd.. but I prefer nero showtime. I think alot has to do with the video card. I had an old ati 9250 that work well. I upgraded to a newer and Nvidia and looking to go back to ATI for this. maybe a 2600 xt. I like nvidia alot, but AIT seems to have it more together for video decoding.

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post #11 of 40 Old 12-09-2007, 10:56 PM
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Quote:
Originally Posted by rgathright View Post

Anyone using a HTPC with a projector? I am thinking about going that route for my next HD fix, but want to make sure it will still work OK with my HTPC.

If so what projector are you using and how far are you sitting from the screen?

Yep, HTPC running to Sanyo Z2....DVI to DVI and everything runs smooth as glass. 112" screen, sitting about 13' away....

In terms of LFE, size does matter!
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post #12 of 40 Old 12-10-2007, 12:26 AM
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HTPC with panasonic AE-900 PJ on 90" screen. Mostly play DVD content using ZoomPlayer and the pq is great....
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post #13 of 40 Old 12-10-2007, 12:56 AM
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Funny how times have changed. When I first joined the forum I think the only purpose for an HTPC was to make your projector look good. I don't think there was anyone on the HTPC forum not using a projector.

To answer your question:
My current setup is a Samsung 710 DLP. The image is about 8' wide and I sit about 16 feet away. At that distance the screen door effect is hardly visible on the 720p projector. DVDs look amazing on it.

To control the HTPC I use a 3 part combination: 1) MX-500 learning remote, 2) MCE ir, and 3) A i-mon ir receiver.

I needed the universal remote to be able to control everything from lights to A/V components to the PC. Most of the commands are from the MCE remote. I only use the i-mon for two commands - right click, and exit.

I also use a gyration keyboard and mouse combo for internet and other "computer" stuff

Viewing DVDs and other MCE media is all done with the remote, no mouse needed.

~Jay
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post #14 of 40 Old 12-10-2007, 01:08 AM
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I'm using an Acer PH530 with a 84" screen and a pc utilizing nvidia geforce 8800gts640, connected through dvi-hdmi cable, i have a 15 feet extension cord for the logitech G5 mouse and a keyboard for gaming
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post #15 of 40 Old 12-10-2007, 01:56 AM
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I use a 1080p projector Optima hd80. I like the sharpness using hdmi at 1080 and window fits the screen nicely. I have 8800gtx. I just use wireless mouse and keyboard. Mostly surf the web and play games. I like reading from my couch and the screen is very ledgeable.
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post #16 of 40 Old 12-10-2007, 08:40 AM
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Quote:
Mits HD1000u on a 110" screen. I sit about 15' away. Everything works great over HDMI running at slightly less than 1280x720 (to adjust for overscan) from MCE2005.

Go into the Mits menu and set the overscan to 100% (it defaults to 97%) and you can go the full 1280x720 !!


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post #17 of 40 Old 12-10-2007, 09:36 AM
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I am running a HTPC with my Mitsu 6000 pj. It looks awesome.

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http://www.follw.it
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post #18 of 40 Old 12-10-2007, 10:54 AM
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my HTPC connects to my DIY 720p projector via DVI from a 7800GT. Optical out to my Onkyo for 5.1. Right now its set up for an 84" diagonal (limited by room dimensions), and I sit 8-9 feet away. SDE is slightly visible if I look for it, but I never notice it just watching normally. I use zoomplayer, VLC, and theatertek for DVDs.. I play games using xbox 360 wireless controller, and I have a wireless gyration mouse and kb
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post #19 of 40 Old 12-10-2007, 12:05 PM
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I moved to a projector for the main reason it was much much cheaper to get a bigger setup.

Secondly overscan, there is absolutely NO issue with 99.99999% of projectors out there when it comes to overscan, unlike tv's where you have to run custom resolutions and all that and you still might not get 1:1 pixel mapping.

With a projector you can get 1:1 pixel mapping out of the box.

- Josh
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post #20 of 40 Old 12-10-2007, 12:31 PM
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I'm using an HTPC to a Sharp xv-z2000 720p PJ and I'm sitting 13 feet away from a 94inch screen. The image looks great from both HD DVD & Blu-ray.

However, I've been hearing (reading) that the image (and sound) from a standalone is much better or equal to that of an HTPC. This was not true for SD DVD (unless you had an expensive standalone) but things seemed to have changed for HDM. PowerDVD and the whole user experience is getting a little more frustrating using an HTPC. I'm actually thinking about getting a standalone player and doing a comparison. Heck, if the whole PQ & AQ thing is better on a standalone, I think I'm going to get a Samsung Dual instead.

I'll post my results if anyone is interested...
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post #21 of 40 Old 12-10-2007, 02:15 PM
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I have Sim2 (Seleco) HT3000E 1080p projector and run it from 8600GTS card dvi->hmdi.
Works stunningly well.
All DVD, TV,HD,BlueRay done from pc using Zoomplayer, MPC or PDVD (if I need menus).

Sttrongly recommend Sim2: Domino D80 is good, as is HT380. HT300o is more expensice and they now have C3X 1080p if you win a lottery.
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post #22 of 40 Old 12-11-2007, 10:41 AM
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Quote:
Originally Posted by jplmain View Post

I use a 1080p projector Optima hd80. I like the sharpness using hdmi at 1080 and window fits the screen nicely. I have 8800gtx. I just use wireless mouse and keyboard. Mostly surf the web and play games. I like reading from my couch and the screen is very ledgeable.

I looked at the 1080p projectors before picking up a 720p acer. I couldn't justify the price at this time myself though plus it is easier on my PC. There is a big difference in requirements going from 720p to 1080p. I don't think I will upgrade to a 1080p until they get into the $800 range. At 92", I don't think I would see as much of a difference compared to some of the 100-120" screens that I have seen people use on here.

My old 480p epson looked really good as well even though it was 480p. the biggest improvement that I have seen was the lack of visible SDE myself. It is more clear definitely, but not as much as I think many people often rave about. Well, except for HD content, but it is not like 480p is unwatchable... so many people still rave on and on about their Infocus 4805s on here.

Back to the original question though. I don't know of many people who have a projector and don't have some type of HTPC. Technically, I would even consider the Xbox and Wii as a type of HTPC if they are used in that way (I am still amazed at how easy my Wii is able to surf the internet and watch youtube videos.)

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post #23 of 40 Old 12-11-2007, 10:48 AM
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Quote:
Originally Posted by bjmarchini View Post

...plus it is easier on my PC. There is a big difference in requirements going from 720p to 1080p. I don't think I will upgrade to a 1080p until they get into the $800 range. At 92", I don't think I would see as much of a difference compared to some of the 100-120" screens that I have seen people use on here.

That's another question I had. Going from 1280x720 resolution to 1920x1080 on an HTPC. Is the GPU going to be hit hardest with this change or the CPU? or both? I am also kinda putting off a 1080p upgrade (until Feb 08) due to the possibility of needing to upgrade the HTPC. Can anyone confirm?

And are you sure you won't see a difference at 92"? I'm currently at 94". And I've been reading that anything 46" and above should be obvious a difference from SD to HD and another reason why I'm upgrading.
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post #24 of 40 Old 12-11-2007, 03:14 PM
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It would be the graphics card that takes the hit on that, so long as you're just talking about display resolution.

See what an anamorphoscopic lens can do, see movies the way they were meant to be seen
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post #25 of 40 Old 12-11-2007, 05:44 PM
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Quote:
Originally Posted by lsdavinci View Post

That's another question I had. Going from 1280x720 resolution to 1920x1080 on an HTPC. Is the GPU going to be hit hardest with this change or the CPU? or both? I am also kinda putting off a 1080p upgrade (until Feb 08) due to the possibility of needing to upgrade the HTPC. Can anyone confirm?

And are you sure you won't see a difference at 92"? I'm currently at 94". And I've been reading that anything 46" and above should be obvious a difference from SD to HD and another reason why I'm upgrading.

depends on the content. like if you are talking about playing back a 1080p mkv/x624 video it'll be more cpu than gpu but both do get affected.

now if you are talking about HD DVD or Blu ray, depending on the GPU you can off load a lot of the processing power of of the CPU and make it up on the GPU with hardware acceleration.

- Josh
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post #26 of 40 Old 12-11-2007, 06:09 PM
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Quote:
Originally Posted by lsdavinci View Post

That's another question I had. Going from 1280x720 resolution to 1920x1080 on an HTPC. Is the GPU going to be hit hardest with this change or the CPU? or both? I am also kinda putting off a 1080p upgrade (until Feb 08) due to the possibility of needing to upgrade the HTPC. Can anyone confirm?

And are you sure you won't see a difference at 92"? I'm currently at 94". And I've been reading that anything 46" and above should be obvious a difference from SD to HD and another reason why I'm upgrading.

I have seen the 1080p projectors in the store. They are really not all that better than 720p to me especially for another 1200-1500. I am not saying there is not difference, but the cost to value ratio for me personally has not come in line. You start to get to a point of diminishing returns.


from a pure mathmatical stance, it is 222% more pixels to take care of so there is alot for it to handle. of course even though it has that that much of a pixel difference, it still only has 360 more vertical line which is 150% more which is why I don't think there is as much of a jump. 480i (240x2) is about 3 times the resolution if you are coming from interlaced content.

most experts in the field rate resolution as the following order of improvement from best to worste

1080p
720p
1080i
480p
480i

You may wonder why 1080 is lower than 720p. It is because in high motion scenes (which include sports and many movies) 1080i can cause a blurring of the moving image which is why a progressive display is so important. This is why sports are more often broadcast in 720p than 1080i (1080p is too high of a bitrate to currently broadcast) In dramas and still pictures, 1080i will look better, but I would rather personally have the better image in action and scifi movies myself.

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post #27 of 40 Old 12-11-2007, 06:17 PM
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Quote:
Originally Posted by bjmarchini View Post

I have seen the 1080p projectors in the store.

There's a bunch of them out now, many for very reasonable prices.

Quote:


They are really not all that better than 720p to me especially for another 1200-1500. I am not saying there is not difference, but the cost to value ratio for me personally has not come in line. You start to get to a point of diminishing returns.

Have you actually seen them, or are you just going by what you've heard. Because while the resolution itself doesn't contribute to significantly different picture quality, all of the advances in other areas (color, contrast, black level, etc) are getting put into the new 1080p machines and not the 720p ones.

For example the Sony VW50 is quite a leap over the HS51, not because of the resolution, but because of all of the other improvements. Epson has done the same thing with theirs, as has Panasonic, Infocus, and well, everybody else.

Quote:


from a pure mathmatical stance, it is 222% more pixels to take care of so there is alot for it to handle. of course even though it has that that much of a pixel difference, it still only has 360 more vertical line which is 150% more which is why I don't think there is as much of a jump. 480i (240x2) is about 3 times the resolution if you are coming from interlaced content.

Anyone in the know will tell you that outside 1.5x screen width 1080p isn't a big deal from a resolution perspective, but those same people should be saying that the 1080p projectors are just a lot better than the 720p models for all the (more important) reasons mentioned above.

Quote:


You may wonder why 1080 is lower than 720p. It is because in high motion scenes (which include sports and many movies)

Sorry, but that's not quite right, movies are (almost exclusively) 24fps, that means they are 1080p24 telecined into 1080i60. What's that mean, it means for movies 1080i is better than 720p (assuming proper handling by the display). What you say is true for sports/video content (ie true 1080i60 content), in theory at least.

See what an anamorphoscopic lens can do, see movies the way they were meant to be seen
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post #28 of 40 Old 12-11-2007, 06:44 PM
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Quote:
Originally Posted by bjmarchini View Post

You may wonder why 1080 is lower than 720p. It is because in high motion scenes (which include sports and many movies) 1080i can cause a blurring of the moving image which is why a progressive display is so important. This is why sports are more often broadcast in 720p than 1080i (1080p is too high of a bitrate to currently broadcast) In dramas and still pictures, 1080i will look better, but I would rather personally have the better image in action and scifi movies myself.

I stumbled opon this quote a while ago.

Quote:


At an IBC 2004 session, I was asked to explain why format wars seemed to be on the horizon for Europe. Having explained the EBU's position in favour of progressive formats, one member of the audience said:

I am amazed that anybody would consider launching new services based on interlace. I have spent all of my life working on conversion from interlace to progressive. Now that I have sold my successful company, I can tell you the truth: interlace to progressive does not work!.

This remark was followed by a spontaneous round of applause from the audience. When the person was asked to give his name, he replied Yves Faroudja (who is widely acknowledged as the world's foremost expert on format converters)

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post #29 of 40 Old 12-11-2007, 09:48 PM
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Quote:
Originally Posted by stanger89 View Post

There's a bunch of them out now, many for very reasonable prices.



Have you actually seen them, or are you just going by what you've heard. Because while the resolution itself doesn't contribute to significantly different picture quality, all of the advances in other areas (color, contrast, black level, etc) are getting put into the new 1080p machines and not the 720p ones.

For example the Sony VW50 is quite a leap over the HS51, not because of the resolution, but because of all of the other improvements. Epson has done the same thing with theirs, as has Panasonic, Infocus, and well, everybody else.



Anyone in the know will tell you that outside 1.5x screen width 1080p isn't a big deal from a resolution perspective, but those same people should be saying that the 1080p projectors are just a lot better than the 720p models for all the (more important) reasons mentioned above.



Sorry, but that's not quite right, movies are (almost exclusively) 24fps, that means they are 1080p24 telecined into 1080i60. What's that mean, it means for movies 1080i is better than 720p (assuming proper handling by the display). What you say is true for sports/video content (ie true 1080i60 content), in theory at least.

You aren't correct there about 1080i. You do realize that 720p is 60fps, right?

1080i is 540p interlaced to create a virtual 1080 lines. Interlacing works great at 480i, but there is a distinct visual difference at 1080 lines - the motion isblurred at anything less than 30fps.



720p is a pure 720p which is superior for anything in motion as the image is always there.



Static image and backgrounds will look better in 1080i, but the motion can get blurred in 1080i. In movies where there are fght scenes such as transformers and fight club, 720p is better. In movies like citizen Kane or About schmidt, they will look better in 1080i. It is a give an take. But as I said, 1080p trumps both and gives you both detail and better motion tracking. Over the air broadcasts cannot handle the bandwidth of 1080p as I said. Some cable companies can though. Because of this many stations such as Fox use 720p instead of 1080i.



1080p may very well be the future until it is replaced with 1440p but that will be some time. I can only imagine about 10% of tvs out are 1080p if that.

InFocus In81 (1080p) $3066 Buy.com
Epson 1080 $2499 buy.com

Acer PH530 720p $529
Optoma HD70 720p $999
In76 $1199 PCVideo.com

how is 1080p such a bargain?

Unless you have a complete wad to blow, the 720p's are still a good value. The money could be better spend on a sound system where you would see a bigger difference. Or better yet a screen. A good screen will last multiple projectors.

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post #30 of 40 Old 12-11-2007, 10:50 PM
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I'm using an htpc for all video cabled to an NEC 110LC CRT; old school stuff. But I can run any resolution that I want too, right now that would be 1280X960p (1280X720p for most DVD's) and they're a good match. Both aspect ratios are projected onto an 8' wide screen. I have a Gigabyte Nvidia 6600GT video card. I use the htpc's internal gamma boost to reduce black crush and it gets me a pretty decent overall picture.

Craigo

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