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SDI Output and recording format

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Nigel Thompson
SDI Output and recording format
on Sep 26, 2013 at 5:39:24 pm

The BMD 2.5 K cinema camera can record in 23.98p. is this PsF or just p ?

As well what comes out of the SDI output? Is that p or PsF ?

asking because of my monitoring options because im going to purchase the camera soon.

High End, Production & Post Production
in the Caribbean
http://www.bistt.com


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Matthew Sonnenfeld
Re: SDI Output and recording format
on Sep 26, 2013 at 7:38:14 pm

Records 23.98 just p. SDI output is 1080 only and I think is also p. Not PsF. Someone else can confirm?

Co-President at fourB Productions, Inc.
Blackmagic Cinema Camera, RED Scarlet-X, Panasonic HPX170, Canon 7D
2011 Macbook Pro 17", 2.3 Ghz Quad Core, 16GB RAM
2008 Mac Pro 2.6 Ghz 8 Core, 10GB RAM
AJA IoXT, Blackmagic Intensity Pro, Blackmagic Mini Monitor
Adobe Production Premium CC, Avid Media Composer 7, Final Cut Pro Studio 3


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Peter J. DeCrescenzo
Re: SDI Output and recording format
on Sep 27, 2013 at 3:43:21 am

The BMCC's HD-SDI output is always 1920 x 1080 true progressive and at the same frame rate as the recording format, except as noted on page 30 in the user manual:

"... If you have selected to record in 25 fps or 29.97 fps on the Blackmagic Cinema Camera, and set the SDI overlays to Off, the SDI output will be set to [interlaced] 1080i50 and 1080i59.94 respectively. ..."

---

http://www.peterdv.com
Blog: http://herefortheweather.wordpress.com


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Nigel Thompson
Re: SDI Output and recording format
on Sep 28, 2013 at 2:31:18 pm

Thanks for the help guys. Getting a paralinx crossbow and arrow for the setup as well hence the question

High End, Production & Post Production
in the Caribbean
http://www.bistt.com


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Philip Goetz
Re: SDI Output and recording format
on Nov 6, 2013 at 9:19:28 pm

Wondering about using a ATOMOS Samurai as a monitor as well as to record to. I want to have the media from the SSD inside the camera but then have pro-res proxies ready to go immediately.

Philip Goetz
@omegabroadcast on twitter


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Matthew Sonnenfeld
Re: SDI Output and recording format
on Nov 6, 2013 at 9:28:21 pm

Are you intending on recording raw inside the camera and you want ProRes to use as well?

The problem in general with these types of workflows is that there is no actual link between the recorded raw media from the camera itself, to the files created by the Samurai. What this means is that your NLE may not actually recognize them. To give a super basic explanation, you would at least need the file names to be identical for the NLE to reconnect. The BMCC and Samurai have completely different naming conventions. After that you really need matching source timecode.

Direct proxy recording is not really what the BMCC was made to do. While you are correct in that you should be using proxies, honestly you are much better off generating them out of DaVinci Resolve or even After Effects. I know it's extra time on the transcode, but it's the only way really that you know it will work.

As per a monitor, you can get a better monitor if you don't need to spend on the extra cost of having a recorder attached to it.

Co-President at fourB Productions, Inc.
Blackmagic Cinema Camera, RED Scarlet-X, Panasonic HPX170, Canon 7D
2011 Macbook Pro 17", 2.3 Ghz Quad Core, 16GB RAM
2008 Mac Pro 2.6 Ghz 8 Core, 10GB RAM
AJA IoXT, Blackmagic Intensity Pro, Blackmagic Mini Monitor
Adobe Production Premium CC, Avid Media Composer 7, Final Cut Pro Studio 3


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