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DVi (or HDMI) to SDI input converter?

post #1 of 31
Thread Starter 
I have a LCD studio monitor with a unusable (to me) SDI input with no DVI or HDMI inputs (only component, S video & composite). Forget the ones in the $1k and up range. Is there anything under $300? No audio needed, one way only (not bi-directional).

All I found so far are these;
http://www.atlona.com/Atlona-HDMI-to...Converter.html
http://www.amazon.com/gp/product/B00...P1GGNFGXGQJHGT

and these the cheapest so far;
http://www.markertek.com/Video-Equip...?TV1-1T-FC-766
post #2 of 31
Is the input SDI or HD-SDI?

If it is SDI - do you want to run a custom 720x480/60Hz (or 720x576/50Hz if in Europe) interlaced desktop resolution, or do you want to run at a higher resolution and scan convert to SDI resolution?
post #3 of 31
Thread Starter 
It's labeled:
" SDI (HD/SD)
SDI (compatible with HD/SD automatic switching)"
The panel is a 1280x768, so I guess that makes it a HD-SDI input.

The monitor is a Panny BT-LH1700W It accepts 480i, 480p, 720p, 1080i & 1080p (among a few other odd resolutions).
post #4 of 31
http://www.markertek.com/Video-Equip....xhtml?DV-DAC9

Under $400, but not $300. I didn't think there would be so few low dollar choices.
post #5 of 31
Thread Starter 
$50 more than the TV One 1T-FC-766.

What's so expensive about the SDI part??
post #6 of 31
Quote:
Originally Posted by videobruce View Post

$50 more than the TV One 1T-FC-766.

What's so expensive about the SDI part??

My guess would be because of it's almost exclusive pro usage. The theater I work in has both single mode and multi mode fiber, sdi, and component at all our patch panels, and it rarely gets used. When we do boxing or MMA, the trucks string their own cable of choice and don't even use our system. In fact, the two Lightning 40sx house projectors are fed by Magenta cat5 baluns.

Good luck.
post #7 of 31
Quote:
Originally Posted by Tony Rox View Post

My guess would be because of it's almost exclusive pro usage.

Good luck.

That's the reason.
post #8 of 31
Thread Starter 
Is that the same as having a metal cabinet and a grounded pwr. cord with the equivalent price increase over a similar consumer product??
post #9 of 31
Quote:
Originally Posted by videobruce View Post

Is that the same as having a metal cabinet and a grounded pwr. cord with the equivalent price increase over a similar consumer product??

...or having white refrigerator that has a stainless steel skin.

I think you'll find a HDMI/DVI to component converter cheaper. That's what I would do.
post #10 of 31
Thread Starter 
Quote:


.or having white refrigerator that has a stainless steel skin.

But aren't those the "professional models" that professionally keep your foods cold. Great comparison. Just another 'stupid' fad that the yuppies fall for: keeping up with the Jones.

I want/need the component, I wanted to utilize the worthless (for me) SDI inputs. Even at $335, it's overpriced.
post #11 of 31
With the conversion from HD to HD-SDI, you get what you pay for.

i work for Atlona and can state that ours does a fully compliant job.

to do HDSDI conversion well is not the cheapest.
post #12 of 31
Thread Starter 
Maybe not the "cheapest", but any of these are overpriced AFAIC.
Especially considering most are imported.
post #13 of 31
I guess it's the law of supply and demand. SDI/HD-SDI chipsets are a relatively niche product (I remember evaluating first generation SDI chipsets in a former life!), so probably significantly more expensive to purchase, in small-ish volumes, than other drivers. (HD-SDI / SDI is pretty sophisticated tech as well - as it is sending high bit rate uncompressed video down much longer single feed coax cable runs than the cheaper HDMI stuff that uses multiple feeds?)

Add into that the volume sales of actual HDMI to HD-SDI/SDI converters - plus the HDCP issues (and possible requirement for scan conversion in the case of SDI) and you aren't going to find dirt-cheap solutions.

For what is a pro requirement (SDI/HD-SDI are pro connection systems) - the sub $500 price range is not unexpected.

We have a number of HDMI to HD-SDI interfaces at work - which do a straight 1080i or 720p pass-through of a non-HDCP source - but they are boards you buy to fit into a standard rack mounting enclosure (and share the PSU and control etc.) Work well for connecting PCs into broadcast infrastructure though.

I've used my Macbook connected to one via a Displayport to HDMI adaptor to play-out off-air HD recordings made in Windows Media Center to allow them to be used for editing and broadcast - under UK 'Fair Dealing - Criticism and Review' rights law. Worked very well. Much easier than trying to import a .wtv file into an Avid or FCP, and hugely higher quality than YouTube...
post #14 of 31
Thread Starter 
Getting past the price, I understand these won't pass protected content. Does this include to just a monitor?
Also, does that include OTA network programming from a tuner or DVR?
post #15 of 31
Correct. SDI doesn't support HDCP signals.
post #16 of 31
Thread Starter 
So the problem is SDI itself, not the converters?? Then the sink (I think that is what they call where the signal goes) tells the device not to send or allow the video?
post #17 of 31
Quote:
Originally Posted by videobruce View Post

So the problem is SDI itself, not the converters??

No, the problem is the HDCP on HDMI signal. Technically you could have HDMI with no HDCP and it would work in your scenario.
post #18 of 31
How big is this monitor? $300 for a converter that only works on this monitor?


At some point, a new TV/monitor makes sense. To me anyways, maybe I'm missing something here.
post #19 of 31
Quote:
Originally Posted by McDonoughDawg View Post

How big is this monitor? $300 for a converter that only works on this monitor?


At some point, a new TV/monitor makes sense. To me anyways, maybe I'm missing something here.

Sell it on ebay.
post #20 of 31
Quote:
Originally Posted by Ken H View Post

No, the problem is the HDCP on HDMI signal. Technically you could have HDMI with no HDCP and it would work in your scenario.

Yep - such signals aren't actually that rare - it's why HDMI->HD-SDI converters, as well as standalone recorders like the Nanoflash often have both HDMI and HD-SDI inputs.

Lower end camcorders often have HDMI rather than HD-SDI outputs, but their HDMI output doesn't contain HDCP protection, so conversion to HD-SDI is not a problem. I've also used HDMI to HD-SDI converters to record the output of PCs in the past - again with no HDCP present.

Sure, Blu-ray players and many HD set top boxes (cable, satellite etc.) have HDCP protection on their HDMI outputs, but other sources like camcorders, PCs etc. don't have to.
post #21 of 31
Thread Starter 
They aren't rare in a broadcast or production studio.
http://www.panasonic.com/business/pr...BT-LH1710.asp#
Their current model is over $1k more that includes a DVI input so I think $300 is a better solution.
Quote:


No, the problem is the HDCP on HDMI signal. Technically you could have HDMI with no HDCP and it would work in your scenario.

Not to get too far OT, What/where controls the 'passage' of the video (and audio) signals the sender or receiver? IOW's which end blocks the so called 'protected' video?
post #22 of 31
Quote:
Originally Posted by videobruce View Post

They aren't rare in a broadcast or production studio.
http://www.panasonic.com/business/pr...BT-LH1710.asp#
Their current model is over $1k more that includes a DVI input so I think $300 is a better solution. Not to get too far OT, What/where controls the 'passage' of the video (and audio) signals the sender or receiver? IOW's which end blocks the so called 'protected' video?

AIUI an HDCP source, like a Blu-ray player or set-top box won't send video until it has negotiated with the display.
post #23 of 31
Thread Starter 
Stupid Hollywood paranoia. Pretty pathetic that this was allowed to include a monitor.
Then the solution is to trick the source into seeing a "negotiation".
post #24 of 31
Neither of those will help. The first converts to SD video and doesn't allow HDCP'd content, the second is actually the opposite direction to what OP would need.
post #25 of 31
Thread Starter 
Thanks for those links, but as already stated, neither addresses the problem other than the fact the 2nd is way out in left field as far as price is concerned..

Question; With content such as OTA recording from a DVR and DVD backup discs, would there still be a issue? Since neither should have copy protection.

For those that don't seem to understand the situation, attached are drawings of the rear & front panel of the monitor;
LL
LL
post #26 of 31
If all you want to do is watch OTA TV and Play DVDs - then wouldn't a SFF PC with a VGA output and a VGA to RGB+Syncs cable do the trick?
You may need a 'smart cable' that converts the separate H and V syncs usually used in VGA to a composite H+V sync signal (though some GPUs can output composite Syncs as an option - my old Radeon used to which I used for an SD RGB+Syncs VGA to SCART converter in the UK)

VGA is much more useful in 60Hz land than it is to us in 50Hz land for TV use (50Hz VGA is pretty rare...)

Or if you have an older video card with YPrPb HD Component output that might work?
post #27 of 31
Thread Starter 
No, I just want the ability to use the SDI input with HDMI (or at least DVI) as a bench monitor for evaluation purposes just as intended, in a studio.
post #28 of 31
Suspect you're out of luck for HDCP encoded signals unless you buy some grey market devices.

There are Blu-ray players and DVB OTA/Satellite STBs on the market with mods to give them HD-SDI outputs - and in use by most broadcasters in the UK for this very reason... Probably breaking lots of laws - but many broadcasters are using them to off-air HD material...

The cheapest HD-SDI to HDMI conversion devices I've seen in the UK are the Blackmagic boxes (GBP£190ish) - but they are only for non-HDCP HDMI content (such as camcorder or PC outputs in some situations)

If you have a Nanoflash recorder knocking around (They were very common in the UK to off-board record Sony EX1/3 at 50Mbs and thus shoot in a UK-HD broadcaster compliant format, though the XF305 has kind of replaced the EX3+Nano combo for self-shooting HD here) the that will convert both ways in E-to-E mode (again non-HDCP only)
post #29 of 31
Screw HDCP... get a DC-DA1 if they still make them? Been using mine for years to watch 1080i and line doubled DVDs and stuff on my 65" HDTV which has only DVI and VGA input and no HDCP. New costs around $350. Used on Ebay alot less. When I bought mine it cost alot less... nice to buy electronics which actually appreciate in value.
post #30 of 31
Thread Starter 
Quote:
Screw HDCP... get a DC-DA1 if they still make them?

1. The monitor doesn't have a VGA input,
2. That doesn't solve the problem of not being about to use the SDI inputs.

I want to be able to connect any and all DVI/HDMI devices to at least one of these inputs. Not a specific device, any device that I or anyone has. The last time I looked TV's don't/can't record video.
Quote:
Suspect you're out of luck for HDCP encoded signals unless you buy some grey market devices.

That's fine with me as long as it works.
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