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Smoke 7 HD, 8 or 10 bit, 4:2:2 or 4:4:4?

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Stuart1
Smoke 7 HD, 8 or 10 bit, 4:2:2 or 4:4:4?
on Jul 17, 2006 at 5:33:50 pm

Hi,
This is a question about Smoke 7, running on a dual-processor Opteron workstation - this is the HD version, NOT the 2K.
Does this verion I/O 4:4:4 or 4:2:2 and does it work in 8 or 10 bit color space?
Thanks
Stuart




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stephane labrie
Re: Smoke 7 HD, 8 or 10 bit, 4:2:2 or 4:4:4?
on Jul 17, 2006 at 11:14:42 pm

Hi Stuart!

As you can see on the following link (http://usa.autodesk.com/adsk/servlet/index?siteID=123112&id=5562809)
Smoke HD is able to ingest SD/HD 4:2:2 (single link) and create 8-bit RGB media on the storage. The 2K version can capture 4:4:4 RGB via HD dual link (like HDCam SR) and 2K via HSDL.

Have a nice smoke day!!!


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stephane labrie
Re: Smoke 7 HD, 8 or 10 bit, 4:2:2 or 4:4:4?
on Jul 18, 2006 at 1:32:03 pm

oups, I pressed "Send" too fast ;)

Since smoke 7.0.7, released at NAB 2006, you can run smoke on the IBM 6217 Single Core. This means that you can work at 8 or 10-bit (single link I/O). The other Linux boxes (6221 & 6224) are limited to 8-bit. For more details, contact you Autodesk reseller.

Have a nice smoke day !!!


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Stuart1
Re: Smoke 7 HD, 8 or 10 bit, 4:2:2 or 4:4:4?
on Jul 18, 2006 at 2:21:51 pm

Thanks Stephane, I appreciate it. I'd heard different stories about the 8 and 10 bit processing on the HD version.
Thanks again
Stuart


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Chris Hanson
Re: Smoke 7 HD, 8 or 10 bit, 4:2:2 or 4:4:4?
on Jul 20, 2006 at 2:56:41 pm

Hi Stephane,
I was under the impression that the DVS hardware converted the incoming 4:2:2 (single link) HD-SDI input to 10bit 4:4:4 RBG in realtime. (Inducing a lot of superfluous "0"'s but conforming it to the color space IFF prefer to work with)

regards
chris.


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stephane labrie
Re: Smoke 7 HD, 8 or 10 bit, 4:2:2 or 4:4:4?
on Jul 20, 2006 at 9:16:43 pm

Hi Chris!

You are right, the YCbCr 4:2:2 signal is converted on the Stone FileSystem as 4:4:4 RGB Media. The difference with the SD/HD system and the 2K is that you can only ingest 4:4:4 RGB (dual link) in the 2K version. This is useful when woking with HDCam SR content or HDSL (to move 2K @ 15 fps over dual libk HD).


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