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Video Assist computers FAQ - Wolf Seeberg Video

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Its smart is to convert the highly delicate TMDS (Transition Minimized Differential<br />

Signaling) scheme of HDMI to HD-SDI for transport away from camera. HDMI<br />

extension cables vary greatly in quality, wire gauge and shielding. I strongly<br />

recommend avoiding HDMI extension if at all possible. I have seen HDMI<br />

extensions work between two pieces of equipment and not two others......it's<br />

really squirrelly to deal with and to troubleshoot!!! Regards Steve Irwin<br />

HD-SDI Matrix switcher:<br />

Matrix has a model with separate audio (MAYBE A CUSTOM MADE MODEL)<br />

http://www.matrix-switch.tv/media/downloads/MSCcompactHDbro.pdf<br />

Call the owner an see if they make a 16x16<br />

http://www.matrix-switch.tv/products/1ruhdswitchers/<br />

Kramer HD switcher works OK , has reclocking in it, needs Kramer audio<br />

switcher that is not linkable despite of the advertisement as of 2010<br />

Kramer VS-88HD HD/SDI HD Matrix Switcher Flicker Problem<br />

I've had issues with the Kramer HD switcher Jitter at output. Totally fixed by using an AJA<br />

HD10DA reclocking DA in front of the switcher then fed the Raptors to record. The Kramer is<br />

VERY sensitive to any cable length over about 25ft. Ian Kelly<br />

KRAMER reclocker with 2 outs works OK on RedOnes – some few people say –<br />

some disagree.<br />

AJA has matrix routers now August 2010.<br />

Panasonic AW-HS50<br />

Is a four input HD-SDI switcher with chroma key and 23.98 support. Avail.<br />

summer 2010 for around $4K. Maybe called AW-H50SN<br />

BlackMagic Designs <strong>Video</strong>Hub router<br />

http://www.blackmagic-design.com/products/videohub/<br />

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