Wednesday, August 30, 2017

Re: [Avid-L2] Media encoder question

 

Ok,

This  means it's my bedtime now….

Bouke

Edit 'B / VideoToolShed.com
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On 30 Aug 2017, at 20:20, Bogdan Grigorescu bogdan_grigorescu@yahoo.com [Avid-L2] <Avid-L2@yahoogroups.com> wrote:


sorry, that is not advanced pulldown - what Adobe creates is 3:2:3:2...:
24FPS A1A2B1B2C1C2D1D2
30FPS A1A2A1B1B2C1C2C1D1D2

whereas advanced pulldown would be 2:3:3:2 as in:
24FPS A1A2B1B2C1C2D1D2
30FPS A1A2B1B2B1C1C2C1D1D2
which makes pulldown extraction very easy, by simply dropping the 4th frame in the 30FPS sequence and exactly recovering the original.
It was the very reason of its introduction ~12-15yrs. ago.

BG

From: "Bouke bouke@editb.nl [Avid-L2]" <Avid-L2@yahoogroups.com>
To: Wilson Chao <wilsonchao@gmail.com>; Avid-L2@yahoogroups.com 
Sent: Wednesday, August 30, 2017 10:59 AM
Subject: Re: [Avid-L2] Media encoder question

 
Ok, so I'm right.
AP is applied, instead of normal pulldown.
AP is oboslete, and (sorry Bogdan, this is the first time I disagree with you,) is less prettier than normal pulldown.


Bouke

Edit 'B / VideoToolShed.com
van Oldenbarneveltstraat 33
6512 AS  Nijmegen
+31 6 21817248

On 30 Aug 2017, at 19:41, Wilson Chao <wilsonchao@gmail.com> wrote:

The difference between 2:3 pulldown and 3:2 pulldown is explained here:







On Wed, Aug 30, 2017 at 12:25 PM, Bouke bouke@editb.nl [Avid-L2] <Avid-L2@yahoogroups.com> wrote:
 
Please enlighten me about the difference.
You're not talking about normal vs advanced pulldown, are you?
(advanced is obsolete nowadays!)

Bouke

Edit 'B / VideoToolShed.com
van Oldenbarneveltstraat 33
6512 AS  Nijmegen
+31 6 21817248

On 30 Aug 2017, at 18:13, Bogdan Grigorescu bogdan_grigorescu@yahoo.com [Avid-L2] <Avid-L2@yahoogroups.com> wrote:


AFAIK -it adds 3:2 instead of 2:3 pulldown(wrong pulldown phase).
Visually indistinguishable, but depending on delivery, it might be an issue.

BG



From: "Greg Huson Greg@SecretHQ.com [Avid- L2]" <Avid-L2@yahoogroups.com>
To: "Avid-L2@yahoogroups.com" <Avid-L2@yahoogroups.com> 
Sent: Wednesday, August 30, 2017 8:39 AM
Subject: [Avid-L2] Media encoder question

 
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: Bouke <bouke@editb.nl>
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