Wednesday, August 30, 2017

Re: [Avid-L2] Media encoder question

 

As we've established, 3:2 pulldown is 2:3 pulldown. It just starts in a different place. But it's the same.

Frame Sampling - you've never seen this? Time Interpolation is a key item in any Media Encoder preset (near the bottom) and has existed in Media Encoder for quite some time, so it should be there. You have choices between Frame Sampling (duplicate and preserve), Frame Blending (ahem, blending), and Optical Flow (akin to FluidMotion). Good thing it defaults to the one we most often need…

For example, if you chose Frame Blending, you would cease to get any kind of pulldown and get a blended mess. And optical flow would be mushier. Frame Sampling just duplicates in the easiest fashion to get there. And we're lucky that it makes 2:3 pulldown.



On Thu, Aug 31, 2017 at 1:31 AM, bigfish@pacbell.net [Avid-L2] <Avid-L2@yahoogroups.com> wrote:
 

This has never been my experience with AME.  It has always generated 3:2 pulldown.  I've never touched Frame Sampling and don't know where that is.  That sounds more like an After Effects setting but I don't spend a lot of time in Adobe world.

As long as there are the correct number of frames in the Bars/Tone and Slate I can at least get the 1;00;00;00 program start to be on the 3 field frame (would the proper terminology be to call that a B Frame?)  so the program doesn't start on a split frame or on field 2 with field one being black.


What is the intent of the Frame Sampling setting and where would I find it?  I've mostly been running AME in CC 2014 or CC2015 could this be a new addition in later Adobe suites.  I can't wrap my head around why a control called Frame Sampling would alter pull down addition but after a day of updating every driver from video desktop to EuControl to get my new OS and artist panel playing nice with expansion chassis and Sierra and Resolve and Avid I might be missing something obvious.

As for the initial question it will work but I'm finding more and more networks want 2:2:2:4 so they never have split frames to deal with.  It helps in the streaming side even if it is less desirable for the 59.94I home viewer.  I think setting AME to ouput 29.97P instead of 59.94I will generate some form of 2:2:2:4 type cadence if that is needed.



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

Media Encoder will do proper 2:3 pulldown as long as you have Frame Sampling set as the option for Time Interpolation (this is the default)

On Wed, Aug 30, 2017 at 11:38 AM, Greg Huson Greg@... [Avid-L2] <Avid-L2@yahoogroups.com> wrote:
 

Trying to help out a client/friend-does adobe media encoder add proper pull down, when converting from 23.98 to 59.94? Or does it repeat frames? I always use media composer for this process but he does not have that available to him.

________________________
Greg Huson
Secret Headquarters, Inc
Greg (at) SecretHQ.com
www.SecretHQ.com
DigitalServiceStation.com



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Posted by: Mark Spano <cutandcover@gmail.com>
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this is the Avid-L2

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