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Author Topic: SDI to HDMI splitter  (Read 2961 times)

Tamar Ghobria

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SDI to HDMI splitter
« on: June 22, 2015, 02:23:13 pm »

Is there any device out there that will take a SDI input and split to 4 or more HDMI outputs? Using a Roland VR-50 and need to send signal to 4 monitors around the room
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John Rutirasiri

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Re: SDI to HDMI splitter
« Reply #1 on: June 22, 2015, 11:51:55 pm »

Is there any device out there that will take a SDI input and split to 4 or more HDMI outputs? Using a Roland VR-50 and need to send signal to 4 monitors around the room
Not that I know of.  How about:
1) SDI from VR50HD to SDI->HDMI converter located at 1st monitor, loop out to the next monitor, etc.
2) HDMI out from VR50HD into HDMI splitter (with EDID management of course)?

John R.
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Jordan Wolf

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Re: SDI to HDMI splitter
« Reply #2 on: June 23, 2015, 12:04:56 am »

Tamar, your best bet will be to distribute using SDI and convert on the monitor end. Both Black Magic and AJA make boxes that convert  SDI to HDMI; try Rentex for subrental.


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Tamar Ghobria

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Re: SDI to HDMI splitter
« Reply #3 on: June 23, 2015, 09:19:26 am »

Not that I know of.  How about:
1) SDI from VR50HD to SDI->HDMI converter located at 1st monitor, loop out to the next monitor, etc.
2) HDMI out from VR50HD into HDMI splitter (with EDID management of course)?

John R.

I don't believe there is a video output on the monitor...the challenge is even with a hdmi splitter the other monitors are so far away I would have to use multiple adaptors....Does anyone know if the aux video out on the vr-50 will mirror the pgm ouput?
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Milt Hathaway

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Re: SDI to HDMI splitter
« Reply #4 on: June 23, 2015, 10:17:57 am »

I don't believe there is a video output on the monitor...the challenge is even with a hdmi splitter the other monitors are so far away I would have to use multiple adaptors....Does anyone know if the aux video out on the vr-50 will mirror the pgm ouput?

Every SDI to HDMI converter (actually every SDI converter) I've ever seen had a loop-through for the SDI signal. The better ones reclock the signal before looping it so you don't get additive deterioration of the SDI signal.

SDI distribution modules are very easy to find also, if that suits your wiring situation better. You'll find that SDI is much cheaper to run and distribute than HDMI, especially over long distances.

Regarding the VR-50: Yes, you can assign the main video mix to the aux out connectors (and vice versa should you ever need it).
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Tom Bourke

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Re: SDI to HDMI splitter
« Reply #5 on: June 23, 2015, 10:40:23 am »

Every SDI to HDMI converter (actually every SDI converter) I've ever seen had a loop-through for the SDI signal. The better ones reclock the signal before looping it so you don't get additive deterioration of the SDI signal.
We have had bad luck with the loop out on most converters.  Signal degradation caused drop-outs after about 3 converters.  We found it much better to hit a DA and then home run every TV or pair of TV's.  Keep in mind every reclock adds delay.  It can gets noticeable on large systems.
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Cailen Waddell

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Re: SDI to HDMI splitter
« Reply #6 on: June 23, 2015, 11:03:28 am »

All things considered look at monoprice for sdi to hdmi converters.  They are reliable and cheap enough to almost be disposable.    We use black magic in places where reliability is critical but a side stage monitor or dressing room monitor isn't such a big deal


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Tom Bourke

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Re: SDI to HDMI splitter
« Reply #7 on: June 23, 2015, 04:14:04 pm »

All things considered look at monoprice for sdi to hdmi converters.  They are reliable and cheap enough to almost be disposable.    We use black magic in places where reliability is critical but a side stage monitor or dressing room monitor isn't such a big deal
Lately I have been having much better luck with the low price throw away units than Black Magic.  The Black Magic firmware and control software has been a real PITA.  The software does not unistall properly for an upgrade and you end up with a strange merge of the two versions.  We have also had problems with the handling of some color space, refresh rates and resolutions.  Tech support told me it can't be their unit, every thing else must be wrong :o.

Any way, when I go to the closet for a converter, the Black Magic's are the last ones I will grab if possible.
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Re: SDI to HDMI splitter
« Reply #7 on: June 23, 2015, 04:14:04 pm »


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