[SML] HDMI

Tue Mar 8 18:53:39 UTC 2016

Great answers thanks all. FYI the two units are fed with completely separate  camera signals from four sources using a cheap but seemingly effective  4 in, 2-ouit matrix switch.
The most expensive part f the whole setup is quality cables, so I will definitely investigate the alternatives.

DK

> On 4 Mar 2016, at 20:36, Gmail via Stagecraft <stagecraft at theatrical.net> wrote:
> 
> Also, many modern PC's and macs that have non-video displays can use a video resolution device as a "second monitor" usually pretty well.  For instance, on a mac, hanging a thunderbolt HDMI adapter connected to a HDMI or DVI to HDSDI converter (like Blackmagic or Gefen) usually works pretty well.  Then you can set it as mirrored or separate displays.  Windows PC's handle this similarly well.  Also, Linux seems to do well in XOrg with secondary display handling these days.
> 
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> On 3/4/16 12:26 PM, FBC Tech Team via Stagecraft wrote:
>> HDBaseT can go 100m as well, and RJ45 connectors are locking connectors. You can also get HDMI locking connectors, and DVI/VGA connectors are typically locking. I would also wager that re-terminating a cut network cable with an RJ45 connector will be easier and faster than doing the same to an SDI Coax cable with a BNC crimp connector...and you can get network crimpers at Lowe's ;)
>> 
>> HD/SDI is great for video as long as it's a video resolution, which WXGA is not. The OP would have to convert the 1280x800 resolution that the MiniMe is spec'd at to 720p or 480i to send over HD/SDI.
>> 
>> We have a large Evertz HD/SDI system at 3 remote sites that we are running into this issue with (which is why we asked for a computer-based solution initially). Our original 1920x1080p PCs converted fine to 1080p with a simple DVI to HD/SDI converter. However, when they upgraded all of the desktop thin clients to ones with 2560x1440 video outputs, we had to find a solution to convert this new non-video resolution to a 1080p video resolution compatible with the AV network, while still passing on the native higher resolution to our local displays.
>> 
>> If you're only using video resolutions, i.e. cameras and such, and have no need for control, or HDCP compliance, broadcast HD/SDI systems are fine. If you're not, I recommend sticking with a computer-resolution based system. Plus, computer based solutions can ingest any broadcast video input without external scaling required first.
>> 
>> Hope this helps,
>> Jeff
>> 
>> On Fri, Mar 4, 2016 at 3:06 PM, Stephen Litterst via Stagecraft <stagecraft at theatrical.net> wrote:
>> I'm a huge proponent of sending video as HD-SDI.  HD-SDI transmits 4k video with up to 8 channels of audio over an RG-6 cable with BNC connectors.  Low-profile cable with locking connectors that's good for 100m?  I'm sold.
>> 
>> 
>> 
>> -------------------------------------
>> Jeff Klein, DMC- E
>> Audio Visual Project Manager
>> Dept of Defense
>> Washington D.C. District
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