Adobe Premiere???

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Adobe Premiere???

Postby stormybaka » Tue Nov 19, 2002 8:57 pm

I can't believe I forgot, but does anyone know how to well, I don't need the whole screen in this section of footage and so I....
Ah wait the ending in excel saga as menchi singing and above his head is the credits and next to him the lady reading a book...All I need is menchi singing can someone revise on how to only use that part of the footage???
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Postby klinky » Tue Nov 19, 2002 9:38 pm

Masking, mattes same thing :

http://klinky.home.attbi.com/mask/


yeah and

welll... You need to setup the Transperancy Key Type to Image Matte if you want to do it that way. Now if you want to isolate the puppy completely, then you'll have to do frame by frame editing to remove the enitre background.

There is also the possibility that menchi only bobbles her head a couple frames, so maybe all you need is a few masks, or just export the bobbing and cut the frames up, erase the background, then re-arrange them on the timeline in a way that you need.



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Postby klinky » Tue Nov 19, 2002 10:56 pm

In retrospect, might I suggest people scour mp3.com. Lots of good techno music there and it's $FREE$...


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Postby stormybaka » Tue Nov 19, 2002 11:02 pm

:shock: oh well! I don't mind techno music... :lol: :lol: :lol: ...
Where was that supposed to go...
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Postby y2kwizard » Tue Nov 19, 2002 11:21 pm

Klinky--

What you describe on your site could be more accurately described as Track Mattes, or at least accordin to Adobe After Effects. MASKS are 2D geometric shapes that have points you can keyframe to make the mask move around, grow, shrink, etc....track mattes are images whose luma or alpha channels are used to create an alpha channel for a target image/movie.

Sorry to be so picky....the main difference is that with Track Mattes you cannot keyframe the action...you've just got grayscale images to work with, while with masks you can ANIMATE the mask and have it do all sorts of kewl stuff...make spotlight effects....create lightsabers...cut out backgrounds...etc.
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Postby klinky » Tue Nov 19, 2002 11:47 pm

Yes folks I am slowly losing my mind... sorry about the mp3 post, that was suppose to go elsewhere.




Y2KWizard>>

Adobe has their heads up their asses most of the time. They love to contradict what themselves. Photoshop for example has a "Quick Mask Mode", there are no keyframes involved in Photoshop, there are no It's not exactly a geometric shape that you create when making a mask in Photoshop either. Here's a quote:

Photoshop Definition of a Mask wrote:Masks let you isolate and protect areas of an image as you apply color changes, filters, or other effects to the rest of the image. When you select part of an image, the area that is not selected is "masked" or protected from editing. You can also use masks for complex image editing such as gradually applying color or filter effects to an image.

In addition, masks let you save and reuse time-consuming selections as alpha channels. (Alpha channels can be converted to selections and then used for image editing.) Because masks are stored as 8-bit grayscale channels, you can refine and edit them using the full array of painting and editing tools.


No where does it state it must be a geometric shape with adjustable points.

Also, we're speaking about Premiere. Premiere has it's own thing called a Track Matte. Which you can keyframe. I made a little example here:

http://home.attbi.com/~klinky/example/trackmatte/

Plus we're talking about Premiere in the first place not After Effects.

Another point is many many many graphics programmers use the word mask more often then matte. I don't remember reading any gfx tutorials about making a matte.

Either way a all that a mask or matte does is affect the alpha channel of a image. As to how it does it or how you creat the mask is up to the program and up to how that program defines what it does. But the basic concept is that you're affecting the alpha. I don't care how After Effects states it, Affter Effects is pretty much a "Advanced Matte/Mask making tool".


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Postby klinky » Tue Nov 19, 2002 11:48 pm

fuck if I could make a coherant post I would give all of you a million dollars...


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Postby stormybaka » Wed Nov 20, 2002 12:05 am

:D Thanks for the help...As incoherent as it was, I still understood..."very educational" 8)

kinky wrote:Yes folks I am slowly losing my mind... sorry about the mp3 post, that was suppose to go elsewhere.

Yeah I sorta figured so... :wink: And it ain't no typo this time... :lol: :lol: :lol:
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Postby alternatefutures » Wed Nov 20, 2002 12:57 am

A matte is simply some form of grayscale image/video, masks are something a bit more complicated and pretty much include everything a matte isn't.

Track mattes are very useful with 3D work, where you take the object you want isolated, animate it, and then animate again as pure white against a black background. Did that alot for "Light of Day." Only problem was each frame had to be composited in Photoshop...
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