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HP DreamColor, no HD-SDI?
Posted by Brad Bussé on July 14, 2008 at 9:59 pmSo the HP DreamColor monitor with 10bit billions of colors has support for DVI-I (dual), DisplayPort 1.1, HDMI 1.3, Component (YPbPr), S-Video and Composite. Only the DisplayPort and HDMI interfaces are capable of handling 30-bit color.
Why no HD-SDI? Seems like it would be ideal for use with a Kona 3 as a studio monitor, but w/o HD-SDI you’d have to run it through an HD-Link.
Sean Oneil replied 17 years, 9 months ago 5 Members · 11 Replies -
11 Replies
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Shane Ross
July 14, 2008 at 10:04 pmThe Kona 3 has Component outs. And they say SPECIFICALLY for Monitor Out. NO need for HD Link.
Shane
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Brad Bussé
July 14, 2008 at 10:11 pmOh right, I completely forgot; I guess because the component inputs on the Dell 2405 are completely awful, hence the HD-Link that I’m running in between. Does anyone know if the component inputs on the DreamColor are quality? I still wish the monitor included HD-SDI for pixel-per-pixel digital viewing, given that it’s an LCD monitor which isn’t dynamic in its resolution like a CRT.
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Shane Ross
July 14, 2008 at 10:26 pmI’d really like to see this in action…
Shane
GETTING ORGANIZED WITH FINAL CUT PRO DVD…don’t miss it.
Read my blog, Little Frog in High Def -
Sean Oneil
July 15, 2008 at 4:27 amUsing analog component on an LCD is kind of ridiculous and it will not be as accurate no matter what. Blackmagic sells an HD-SDI to HDMI converter for $500. AJA makes one as well. Just pretend that it’s an HD-SDI option board for the monitor and you’ll be set.
Sean
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Walter Biscardi
July 15, 2008 at 10:44 amJust curious, why do you say that? We run analog component to our Sony HD CRTs, our Panasonic Professional Plasma displays and when we tested the TV Logic 24″ display, we fed by HD-SDI and Analog Component and saw no difference.
So just curious what you’re basing your statement on?
[Sean ONeil] “Using analog component on an LCD is kind of ridiculous and it will not be as accurate no matter what. “
Walter Biscardi, Jr.
Biscardi Creative Media
HD and SD Production for Broadcast and Independent Productions.STOP STARING AND START GRADING WITH APPLE COLOR Apple Color Training DVD available now!
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Sean Oneil
July 15, 2008 at 4:19 pm[walter biscardi] “We run analog component to our Sony HD CRTs”
CRTs are analog displays so it doesn’t matter if you use component.
LCDs and plasmas are digital. Using component means you’re going D->A and then back to A->D.
You can (and should) connect two Beta SP machines together using component. But would you connect two Digibeta decks together using component instead of SDI? Of course not.
[walter biscardi] “TV Logic 24″ display, we fed by HD-SDI and Analog Component and saw no difference.”
Did you do side by side, one monitor with HS-SDI and another with analog? Or did you try one input, then try the other. The time it takes for the monitor to change inputs can often be too long for your brain to remember what the previous one looked like.
Even if it does look just as good, you can’t assume other people’s monitors will. The reason everything went digital over the past 20 years is to avoid some of this nonsense and have some piece of mind. It’s ludicrous to have two digital components but use an analog method to connect them together.
Sean
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Gary Adcock
July 15, 2008 at 6:44 pm[Sean ONeil] “CRTs are analog displays so it doesn’t matter if you use component.
LCDs and plasmas are digital. Using component means you’re going D->A and then back to A->D. ““Did you do side by side, one monitor with HS-SDI and another with analog?”
Boys
Are we forgetting that HDSDI is nothing more than a Digital Component signal?A <>D should not be an issue….
gary adcock
Studio37
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Walter Biscardi
July 15, 2008 at 6:54 pm[gary adcock] “Boys
Are we forgetting that HDSDI is nothing more than a Digital Component signal?A <>D should not be an issue…. “
That’s kind of where I was going with it. HD Component / HD-SDI are essentially the same thing.
I’ve yet to see a difference on any of our displays using HD-SDI so we don’t bother investing in that. The TV Logics come standard with it so we’ll use it when we get them, but it’s not something I absolutely have to have to consider it a “true professional HD monitor.”
Walter Biscardi, Jr.
Biscardi Creative Media
HD and SD Production for Broadcast and Independent Productions.STOP STARING AND START GRADING WITH APPLE COLOR Apple Color Training DVD available now!
Read my Blog!

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Sean Oneil
July 15, 2008 at 7:49 pm[gary adcock] “Are we forgetting that HDSDI is nothing more than a Digital Component signal?”
I didn’t forget. Doesn’t mean it’s a flawless conversion. Also, monitors are actually RGB, not component. So that’s a conversion that one would much rather have done digitally.
[gary adcock] “A <>D should not be an issue….”
REPLY
[Brad Buss] “the component inputs on the Dell 2405 are completely awful”…which I can confirm is true. Not all converters are good.
It doesn’t matter that both are Ycrcb. Doing D/A and then A/D is never preferable when you can just do D/D.
There are tons of potential problems analog can cause. Noise caused by electrical interference, incorrect levels from voltage fluctuations or less-than-optimal cables. All kinds of issues that you don’t have to worry about using an all-digital setup.
With CRT you don’t have a choice, it’s analog technology. Not so with LCDs and plasmas. So I personally find it ludicrous that one would spend thousands of dollars on color grading LCD only to connect it with component. Even if it does appear to be identical, why take the chance? I’m honestly pretty shocked that I’m sitting here explaining to you guys why digital is better than analog.
Sean
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Walter Biscardi
July 15, 2008 at 7:56 pmI’m just of the mind it’s ludicrous to spend money I don’t have to. Component comes standard with most LCD’s. Using something like a Dell 2407 or even this HP Dreamcolor for broadcast monitoring is something I would not do. However using component on something like the TV Logic displays, which is designed for broadcast and film playback is perfectly fine.
If HD-SDI is the single most important factor in your world, then have at it. I just don’t see that as the most important factor in purchasing or using an LCD. If it comes standard with Component HD input and it’s a true broadcast display, the image should look identical to the HD-SDI. That’s good enough for me and I’ll spend the extra money on something else.
[Sean ONeil] “With CRT you don’t have a choice, it’s analog technology. Not so with LCDs and plasmas. So I personally find it ludicrous that one would spend thousands of dollars on color grading LCD only to connect it with component. Even if it does appear to be identical, why take the chance? I’m honestly pretty shocked that I’m sitting here explaining to you guys why digital is better than analog. “
Walter Biscardi, Jr.
Biscardi Creative Media
HD and SD Production for Broadcast and Independent Productions.STOP STARING AND START GRADING WITH APPLE COLOR Apple Color Training DVD available now!
Read my Blog!

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