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Best way to connect plasma tv to gbpvr pc

 
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Best way to connect plasma tv to gbpvr pc
nitrogen_widget
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#31
2007-02-14, 02:54 PM
Fatman_do Wrote:No, you should be ok as long as they meet the following...:p

# Supports multiple audio formats, from stereo to multi-channel sound.
# High-density triple-shielding for maximum rejection of RFI and EMI.
#24k gold contacts for maximum digital signal transfer and corrosion resistance.
#Nitrogen gas-injected dielectric insulator maximizes video signal strength for the best possible picture and ultra-low loss.

Geez, I just took some old lamp cord, stripped of the insulation & wrapped one wire around the RCA terminal & balled up the other & stuck it in the hole.
Then used duct tape to hold it all in place.

Sounds fine to me.

Anyways, when it comes to throwing SD to an HDTV what is the general rule for hardware?

Are the system requirments basically the same between true HD & upscaling SD with say FFDSHOW?
Or can I get by with a cheap p4 based celeron or a duron in the 1.6 ghz range?

I currently see 2 options.
buy a decent CPU & graphics card & let the PC do the scaling or use what I have available, a 1 ghz cpu & a radeon 7000 with S-video & let the TV do the work.

I suspect the former will be the better as i've played with FFDSHOW's scaling option with my LCD monitor & the results were shockingly good to my eyes.
SickBoy
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#32
2007-02-14, 04:20 PM
stefan Wrote:As in built-in into the tv?

Yep
maddog
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#33
2007-02-14, 08:21 PM
am not wise to the specs on hdmi but as far as vga goes it should not in theory be able to produce a more "accurate" picture than by this method.
that doesnt mean it will be "better" which is surely subject to the viewers own eyes tastes etc
the problem lies in the different ways hw is specified, as there is no computing definition of 1080i, 720p etc these are purely tv specs
The symptons described making the text unreadable are those i have witnessed connecting pc output of one resolution to a fixed resolution panel(plasma or lcd) that differs,,ie connect a pc outputting 1024x768 to a panel with a native res of 1440x900
i suspect that connecting the vga connector to the tv actually kicked in the plug n play feature and changed the res/refresh rate of the output to one not matching that of the panel (prob on a 42 plasma of this age either 852x480 or 1024x768)
try those res's in ur pc monitor setup and see the diff
regrds
mdb
Ted the Penguin
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#34
2007-02-14, 11:15 PM
Nitrogen_widget, I strongly suggest you get better hardware, you dont even really need to use the best upscaling algorithm, bicubic looks pretty good overall, and is pretty easy. If you want to use lanzcos and denoise, etc. I suggest a beefier CPU, 3GHz+

maddog Wrote:am not wise to the specs on hdmi but as far as vga goes it should not in theory be able to produce a more "accurate" picture than by this method.
that doesnt mean it will be "better" which is surely subject to the viewers own eyes tastes etc
the problem lies in the different ways hw is specified, as there is no computing definition of 1080i, 720p etc these are purely tv specs
The symptons described making the text unreadable are those i have witnessed connecting pc output of one resolution to a fixed resolution panel(plasma or lcd) that differs,,ie connect a pc outputting 1024x768 to a panel with a native res of 1440x900
i suspect that connecting the vga connector to the tv actually kicked in the plug n play feature and changed the res/refresh rate of the output to one not matching that of the panel (prob on a 42 plasma of this age either 852x480 or 1024x768)
try those res's in ur pc monitor setup and see the diff
regrds
mdb

I know I can only drive my TV at its native resolution through VGA, since using HDMI the TV does not recognize anything other than the defined "HD" resolutions.

and actually there are computer definitions of those resolutions 720p is 1280x720 @ 60Hz, 1080i is 1920x1080 @ 30Hz, 1080p is 1920x1080 @ 60Hz. "i" stands for interlaced, which means that half of the frame is transmitted every cycle, resulting in half the framerate.
SickBoy
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#35
2007-02-15, 02:32 PM
Quote:I know I can only drive my TV at its native resolution through VGA

Likewise. Doing so, however, is also dependent on the quality of your video card and who writes the drivers for it. While attempting to diagnose some problems with my HTPC locking up, I switched from my Ti4600 to the onboard video on my K8MM-V (VIA K8M-800 chipset), and the onboard video didn't have the capability to drive my TV at widescreen/HD resolutions. I could still see everything fine, it was just pillarboxed 1024x768 and looked like poo. Maybe there is a hack for making widescreen resolutions available that I don't know about (I didn't investigate it much further when I discovered it was my PSU causing instability issues).

nvidia's driver quality is (I'm sure) leaps and bounds ahead of VIA's drivers for their integrated S3 graphics solutions.

Maybe at some point I'll get a DVI -> HDMI cable and investigate this a little further, but for now I can't see how running a "proper" HD signal/resolution over HDMI would make all that much of a difference.

FWIW, I'm running a 32" Westinghouse LCD with built in ATSC tuner, purchased from Best Buy last fall.
Ted the Penguin
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#36
2007-02-15, 08:22 PM
SickBoy Wrote:FWIW, I'm running a 32" Westinghouse LCD with built in ATSC tuner, purchased from Best Buy last fall.
as am I, theyre nice, I love the auto source selection, wakeup and sleep features.

you can find some pretty cheap video cards that will drive the panel at the native resolution, pretty much any ATI card
nitrogen_widget
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#37
2007-02-16, 02:02 PM
Ted the Penguin Wrote:Nitrogen_widget, I strongly suggest you get better hardware, you dont even really need to use the best upscaling algorithm, bicubic looks pretty good overall, and is pretty easy. If you want to use lanzcos and denoise, etc. I suggest a beefier CPU, 3GHz+

I new that.
I just needed someone to tell me.Smile

I've got a 2.6ghz Celeron D in the 478 socket i'm not using.
I bought it by mistake with a 775 MB so it's just been sitting on the shelf for a yr.
Unfortunatly nothing can be easy, my Brother told me his 1 yr old 55" sony LCD projection TV does not have a VGA or DVI input. :eek:
Just one HDMI input & 3 component inputs up to 1080i & lots of svideo & RCA inputs.

So i'll need a video card with component outputs now.
either a radeon 9550 with the component dongle or one of those new geforce 6200 (not one with shared ram) with the component out cable.
Their both about the same price.

Has anyone used the geforce cards with their component out cables?
stefan
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#38
2007-02-16, 02:28 PM
But it has HDMI in? Then you can use DVI->HDMI cable (if you have DVI out, that is Smile)
I'm not always right
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nitrogen_widget
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#39
2007-02-16, 04:02 PM
stefan Wrote:But it has HDMI in? Then you can use DVI->HDMI cable (if you have DVI out, that is Smile)

According to the manual he gave me, it only has one HDMI input.
The whole thing confounds me.
A 55" HDTV with such limited inputs?
It isn't that old either.

I think i'm going to have to go over there & take a look my self.
maddog
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#40
2007-02-17, 10:59 AM
I think a few missed the point of my earlier post, that is that no amount of pre processing can display a more accurate representation of the original picture
hdmi can not truly present a better (more accurate) picture than a correctly setup vga interface
certainly not until all componants are fully alligned ie
original picture @*x* pixels=output device @*x*pixels=display panel@*x* pixels (which can be done there are a (very) few setups out there i believe but are beyond the cost of most of us
pre-processing may go someway to compensate for the degradation of inproperly matched op/od/dp but cannot present true accuracy which surely is the ultimate goal you just cant put a square peg thru a round hole in cliche speak
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