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Gemini - Framing Monitor with uncompressed 444 10 bit recorder

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#1 Andrew Stone

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Posted 22 March 2011 - 10:06 PM

A couple of evenings ago Convergent Design, the makers of the nanoFlash recorder, announced their follow up product, the Gemini recorder. It is essentially a milled aluminum box about the size of a 6" monitor but a bit thicker that houses an onboard recorder with a 840 x 480 pixel touchscreen that outputs 800 NITS. The recorder has dual HD-SDI ins & outs, records to uncompressed 444 10 bit in all manner of HD pixel ratios & framerates, Does 1080p60 but at 422 uncompressed. It records the data to 2 internal SSD drives. I think that some operators will be very interested in this.

The screen size is a bit on the small side but if some here could function with tiny greenscreen monitors, I am presuming that people who can find a use for this will live with the smaller screen, if you chose to use it as a framing monitor.

The weight is just over a pound, probably without the SSD drives and it uses well under 20 watts under the full weight of 3G HD-SDI capture. I asked if they were contemplating the use of a transreflective layer. They said no.

Those who are interested can check it out at NAB. The unit is slated for release in June/July timeframe. Their history of delivery on product launches in the past has been good. Street price they say will be just under 6 grand. SSD pricing won't be announced till NAB. They say it will be competitive with the fast SSDs that are out there. You will have to use qualified SSDs with this unit to assure the necessary throughput to the drives.

Below are links to the promotional bumpf. Lots of technical info to peruse...

Their website: http://www.convergent-design.com/

An interview which is probably the best piece they have done to explain use and technical stuff:

http://www.convergen...i Interview.pdf

A brochure with technical specifications:

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#2 Dan M. Keaton

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Posted 01 April 2011 - 01:02 PM

Dear Friends,

We will be showing our Gemini 4:4:4 full uncompressed, 4:2:2/4:4:4 recorder at NAB from Monday April 11 thru Thursday April 14.

Our booth, C11126, will be in the Central Hall, in the back, near Sony.

The Gemini 4:4:4 weighs about one pound and is the same size of the Small HD monitor. It includes a sunlight viewable 5" 800 x 480 monitor (800 Cd/m2 - 800 Nits)

This is a $5,995 recorder,including the transfer station, a 256 GB SSD is $749, a 512 GB SSD is $1,349

We look forward to seeing you there. We will also be showing our nanoFlash.

Dan Keaton
Convergent Design

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#3 Sydney Seeber

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Posted 05 April 2011 - 09:49 AM

records at ~ 194MB/s in 24 fps 4:4:4? 8 MB per frame? Did I do my math right?
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#4 Andrew Stone

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Posted 05 April 2011 - 01:04 PM

Just used the iPhone app, AJA DataCalc. It says 1 second of 1080p24 at 10 bit RGB is 199.1 MB of data. That works out to approximately 8.3 megs of data per frame. There are 2 suggested work flows using the data. One is obviously using the uncompressed material and the other is to transcode the data off the unit into whatever codec and bitrate you want as the material is going through ingest. Apparently, the transcode into one of the higher bitrate versions of ProRes occurs in about half of real-time on an 8 core Mac tower to give you a sense of things.

It will be interesting to see if the screen will be decent enough to use as a framing monitor. Not sure as it is a bit on the small side. We'll see in a few days at NAB.
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