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Matrox_Support_Vic
PostPosted: Mon Jan 13, 2014 10:58 am    Post subject:

Thanks for the site and posting rblezer.

Regards

Vic
rblezer@home.nl
PostPosted: Wed Sep 18, 2013 5:47 pm    Post subject:

Hi Andrew ,

I did some research and found this:

Max data rate

4k max 960mbps / 120 Mb /s

Hd 1920/1080 25 max 28mbps / 3,5 Mb/s

So IMHO just 2 Sara drives in stripes stab should be able to handle the datarate.

More info: http://www.xavc-info.org/xavc/share/data/XAVC_SpecificationOverview_Rev2_130913.pdf
Andrew Smith
PostPosted: Wed Sep 18, 2013 5:01 pm    Post subject:

Hi Richard,

I really didn't want to be going in to calculating sustained transfer speed requirements for 4k files as, again, I have no reference point.

Might be best to wait for one of the regular support staff to answer your questions during Canadian business hours.

Andrew
rblezer@home.nl
PostPosted: Wed Sep 18, 2013 4:26 pm    Post subject:

Quote:
These things will affect how your host computer and software (such as Premiere Pro) will behave, more than the Matrox gear which only displays the output of a true video signal. (Give or take 'Max' encoding.)

Thanks andrew, but I already know this. The piont is that 4K Video requires more throughput fron the system. Matrox/adobe need 2, 8core Xeon CPU's on a C600 intel chipset, to playback 4K @ 59.95 FPS.!!

So my question with regards to storage (in- or external) is not that far fetched.

Quote:
I don't do 4k work myself, but I should think that some sort of external RAID storage device would be a given.

Again, thanks for stating the obvious. But I wanted to know, exactly which storage configuration did matrox use in the system requirements. As the system Req. don't state this. I am hoping just a bunch of 7200RPM HDD's, but I'm afraid that SAS disk are nessesary.

richard blezer,
video-bewerken.nl
Andrew Smith
PostPosted: Wed Sep 18, 2013 3:12 pm    Post subject:

These things will affect how your host computer and software (such as Premiere Pro) will behave, more than the Matrox gear which only displays the output of a true video signal. (Give or take 'Max' encoding.)

I don't do 4k work myself, but I should think that some sort of external RAID storage device would be a given.

Andrew
rblezer@home.nl
PostPosted: Wed Sep 18, 2013 3:29 am    Post subject: external Storage

hi,

In the system req. for the mojito 4k there is a line : storage external.

How many and which diskstypes are being used?

What are the minimum requirements for storage /playback for the mojito 4k.
For 4K 60fps

does the upgrade of the GTX680 to a GTX 770 /780, alter the requirements of the CPU's ?

with kind regards,

Richard Blezer
video-bewerken.nl

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