Friday, May 27, 2016

Re: [Avid-L2] Weird frame blending on conversion from 1080p 23.976 to 720p 59.94

 

I've been out of the online world for a while, but as far as I know, there isn't a 720i project rate.  And both the 1080 and the 720 projects are progressive, so there shouldn't be any fields do deal with, just frames.  
Will give the motion adapter suggestion a try.  


Thanks,

Steve Pomerantz
www.stevepomerantzeditorial.com


---In Avid-L2@yahoogroups.com, <agustingoya@...> wrote :

The problem to me is that the 720 master that you are creating is in fact 720P not 720i. If you add a 3:2 pulldown the output should be interlaced. As I understand it, your container is progressive and thats why you are seeing blended frames.

On Thu, May 26, 2016, 20:07 Mark Spano cutandcover@... [Avid-L2] <Avid-L2@yahoogroups.com> wrote:
 

Check the motion adapter. Sometimes the motion adapter chooses a blended option when it should not. In this scenario, I would have it set to Duplicated Field, Source: Progressive, Output: Progressive. There it should be a simple 2:3 frame duplicated pulldown, no blending. Haven't checked in a while on this particular conversion, but I do know MC is capable in this department (all the years of creating cuts in 1080/23.976p to deliver to ESPN at 720/59.94p).


On Thu, May 26, 2016 at 1:43 PM, sppomerantz@... [Avid-L2] <Avid-L2@yahoogroups.com> wrote:
 

Asking for our online guys here.  They have some sequences that were onlined at 1080p 23.976.  Network delivery spec is 720p 59.94.  Once the sequence is onlined, they are creating a mixdown in the 1080p project, then opening it up in a new project at 720p 59.94.  On some (but not all) cut points, they are seeing frame blending where they get part of the outgoing shot mixed with with incoming shot.  I'm guessing it has to do with the pulldown cadence, but not sure what to do to fix it.  

I'm uploading a frame grab to the files section so you can see what I'm talking about.

Thanks in advance for any advice you can give.


Steve Pomerantz

www.stevepomerantzeditorial.com


--

Agustín Goya

(Sent from a mobile device, please excuse any typo)

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