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Re-encode video that maintain its quality
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ofscreen
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9. February 2011 @ 04:39 _ Link to this message    Send private message to this user   
I have some videos here that is already rip and I want to edit some scene of it

It is possible to re-encode the video and maintain its quality or any suggestions about this?

thanks in advance
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9. February 2011 @ 08:59 _ Link to this message    Send private message to this user   
Mpg2Cut2 can open the VOB files, select clips and save as an mpeg2 file.
The movie will have to be reauthored - but a decent authoring program (if the settings are correct) will recognize it as compliant video and not recode it.

An alternative is to use the 'Re-author' mode of DVD Shrink - but the output will consist of multiple Titles that will display a pause between titles on playback.
ofscreen
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10. February 2011 @ 02:26 _ Link to this message    Send private message to this user   
Sir attar the video is already on avi, mp4, wmv etc format, and I need to edit some parts on the video (erasing some portion on the scene)

Here the example of the video

link

I need to erase the MTV logo on the Top Right Side of the video

This message has been edited since posting. Last time this message was edited on 10. February 2011 @ 02:48

scorpNZ
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10. February 2011 @ 03:08 _ Link to this message    Send private message to this user   
You can't,the best you could do is insert a piexlation over the image which is a waste of time

ofscreen
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10. February 2011 @ 03:49 _ Link to this message    Send private message to this user   
sir scorpNZ what do you mean to insert piexlation? how can I do that I don't have idea (really newbie sir)
Bluesman69
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10. February 2011 @ 09:29 _ Link to this message    Send private message to this user   
Originally posted by ofscreen:
sir scorpNZ what do you mean to insert piexlation? how can I do that I don't have idea (really newbie sir)
What you are wanting to do is not possible as the logo is part of the video. Therefore, if you remove it, there will be nothing behind it.
However, you can either obscure it using a video effect (personally, I would recommend blurring rather than pixellation) or replacing it with your own media, such as logo, colour, etc. This is not too difficult to do and can be accomplished using any reasonable non-linear editing (NLE) software.
The only issue, in terms of what you are wanting to do, is that such editing will be required for the entire duration of the logo, which will probably be the entire video. The bad news is that this means the entire video will need to be re-encoded and will unavoidably lose some quality. Rendering can also take some time, so this is not a quick process. The good news is that if you are using a decent NLE you will probably not notice the difference. Also, the editing process is quick, so you can simply set it to run overnight as you don't physically have to be there while it is rendering.

Hope this helps!
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10. February 2011 @ 09:55 _ Link to this message    Send private message to this user   
Here's a sample of the Delogo filter in VirtualDub.
It's a TV recording with the logo on screen, lower right.
Note that the video has to be re-compressed to be saved with the inevitable loss in quality.

http://www.digital-digest.com/articles/virtualdub_delogo_page2.html


ofscreen
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10. February 2011 @ 11:41 _ Link to this message    Send private message to this user   
Sir bluesman69, what software I need to do that?

Sir attar, I will try it and I comeback to update

Thanks guys
scorpNZ
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10. February 2011 @ 19:51 _ Link to this message    Send private message to this user   
I have no idea how the uploader was able to cover embedded logo with pixelation however it's obvious it can be done then again all it did was replace one thing with another..lol..better off just ignoring the words mtv
Bluesman69
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11. February 2011 @ 13:13 _ Link to this message    Send private message to this user   
Originally posted by ofscreen:
Sir bluesman69, what software I need to do that?

Sir attar, I will try it and I comeback to update

Thanks guys
I use Sony Vegas, but you can achieve this using any reasonable NLE. You can also use a processing utility like VirtualDub, for which there are several filters available for free download (try neuron2.net). Try the box blur, logo or delogo filter (as demonstrated by attar above) and see which one works best for you.
ofscreen
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13. February 2011 @ 02:30 _ Link to this message    Send private message to this user   
Im trying to make what sir attar told but I got an error

Heres the error

"VirtualDub Error

Couldn't locate compressor for format 'XVID' (unknown)

VirtualDub requires a Video for Windows (VFW) compatible codec to decompress video, Direct show codecs, such as those used by Windows Media Player, are not suitable "

What I need to do?
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13. February 2011 @ 05:58 _ Link to this message    Send private message to this user   
ofscreen
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14. February 2011 @ 01:48 _ Link to this message    Send private message to this user   
Its working sir attar, sir Bluesman69, sir scorpNZ, It is possible to delogo some parts only, I mean if the video is 1hr can I delogo 5 mins only because I saw the edited logo is appearing from the start to end

and, how can I insert picture and text in vitualdub?

This message has been edited since posting. Last time this message was edited on 14. February 2011 @ 03:07

AfterDawn Addict
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14. February 2011 @ 08:27 _ Link to this message    Send private message to this user   
Apply the filter to a range of frames.



http://www.youtube.com/watch?v=2MWoVY9mYbk

Note that if your source file was an AVI, you can select 'Smart Rendering' under the 'Video' menu, then, when you select the XviD compressor to encode the output, it will only encode the range where the filter is applied - the remainder will be copied without recompressing thus maintaining the original quality on those parts.

This message has been edited since posting. Last time this message was edited on 14. February 2011 @ 08:32

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ofscreen
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15. February 2011 @ 01:29 _ Link to this message    Send private message to this user   
ok sir attar, thanks

thank you very much guys for your help
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