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I've noticed a ghost effect after a render for the same format (mp4)

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katana puffin
I've noticed a ghost effect after a render for the same format (mp4)
on Aug 23, 2016 at 5:16:17 pm

How can i fix this?
I've a issue where my original mp4 file is not the same after my rendering, where i can noticed a ghost effect


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Steve Rhoden
Re: I've noticed a ghost effect after a render for the same format (mp4)
on Aug 23, 2016 at 7:18:38 pm

Disable resampling on all your Video events and you will be ok.

Steve Rhoden (Cow Leader)
Film Maker & VFX Artist.
Owner of Filmex Creative Media.
Samples of my Work and Company can be seen here:
http://www.facebook.com/FilmexCreativeMedia


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László Kovács
Re: I've noticed a ghost effect after a render for the same format (mp4)
on Aug 23, 2016 at 7:31:09 pm

Hi,
this is just my guess, as I don't know the details what really happened to you.
You may see the interpolation, which Vegas does by default, if your source framerate is not the target framerate.
I saw this effect too: I do my recordings in 1920*1080@50p.
If I want to render this to -say- 25p, the ghosting is there.
If I don't want it, I disable resample (right click/poperties).
Sometimes -lets say people are dancing on a stage- I don't want to resample. Sometimes -say I need a slowmotion- I do want resample.

So, check the framerate of your source material and the target you want render to.
If the framerates are aliquot, you can disable resampling. Otherwise I'd expect a worse result.

Regards


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katana puffin
Re: I've noticed a ghost effect after a render for the same format (mp4)
on Aug 23, 2016 at 8:46:26 pm

If it can help, this are my project settings
http://imgur.com/DTCycrl
http://imgur.com/a/12CBq


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László Kovács
Re: I've noticed a ghost effect after a render for the same format (mp4)
on Aug 24, 2016 at 5:57:45 am

Hi,

It seems that your project framerate is 59.951 (where does this come from?), and you render to a 59.94 (double NTSC) framerate file.
So there's a difference, and still there's no information about the source framerate (the media you are using in your project).

Kind regards


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katana puffin
Re: I've noticed a ghost effect after a render for the same format (mp4)
on Aug 24, 2016 at 7:50:35 am

i render to 59.94 for doing video at 60 fps.
How can i get infos on source video?


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László Kovács
Re: I've noticed a ghost effect after a render for the same format (mp4)
on Aug 24, 2016 at 3:07:46 pm

Hi,
Therare more ways to get this info.
1. Right click the media on your timeline, and select properties. On the "general" tab you'll find the info.
2. In the poroject media select the file, then status bar will change to show the info about the file.

I would set up the project to match the source (or the majority of sources if there are different ones) framerate, and would render to a file with the same framerate.
If you do this, there's no need to resample.

Regards


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katana puffin
Re: I've noticed a ghost effect after a render for the same format (mp4)
on Aug 24, 2016 at 5:08:24 pm

You mean this?
I'm correct?
http://imgur.com/a/fEY5I
http://imgur.com/a/RkwQg


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László Kovács
Re: I've noticed a ghost effect after a render for the same format (mp4)
on Aug 25, 2016 at 4:27:14 am

Yes, exactly.
I see, your project framerate matches the source.
Try to create a render template with a matching framerate.
And then do the render with that.
That will eliminate the ghosting effect.

Regards


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katana puffin
Re: I've noticed a ghost effect after a render for the same format (mp4)
on Aug 25, 2016 at 7:09:05 am

Ok thx i will try.
If i remember correctly, i've already tried to render at the same values, but it change automatically in render templates.

Sorry for my bad english


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László Kovács
Re: I've noticed a ghost effect after a render for the same format (mp4)
on Aug 25, 2016 at 7:42:11 am

You need to save your render template, if you want to reuse it later ;)

Regards


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katana puffin
Re: I've noticed a ghost effect after a render for the same format (mp4)
on Aug 25, 2016 at 8:43:23 am

All the rest in correct? Field order and deinterlace method?


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László Kovács
Re: I've noticed a ghost effect after a render for the same format (mp4)
on Aug 25, 2016 at 7:12:02 pm

Yes, I think so.
Source is progressive, so no deinterlace will be done.


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