• Adobe After Effects

  That transparent background thing…

  Posted by Kshapiro on January 15, 2007 at 7:51 am

  Ok I’ve looked and I’ve read, but I can’t find the answer. First off, I am new to after effects but have done a few comps and have experienced a little bit of workflow, using AE, premier, Illustrator, Flash and a few other cool toys. I’ve been reading all day and trying different things and I just can’t figure it out. THe example? http://www.whiskas.com or another site that had a person walk out on a website and there was no background. (forget the site) Anyway I’ve tried all the codecs I have compressed, uncompressed RGB + Alpha RBG, encode alpha channel, QT with animation setting, everything. I’m trying to make the end result an swf and nothing seems to get to the point on doing this.

  I have a guy walking out and saying a few things (about 28 seconds in total) and it’s all keyed out and the result is a square white background. No matter what I do, square white background.

  Is there a step by step method I can study and try? Is there an example of this I can study? Can anyone help me get’r-done?

  Thanks guys, this place rocks!

  Mediaaffect replied 19 years, 4 months ago 3 Members · 4 Replies
• 4 Replies

• 

  Jim Kanter

  January 15, 2007 at 3:57 pm

  You might have to do that sort of compositing in the Flash encoder with Flash 8 Pro.

  Jim Kanter,
  Digital Film Institute
  http://www.dfilminst.com
• 

  Kshapiro

  January 15, 2007 at 6:18 pm

  Thanks for the reply Jim, let’s say I have the footage shot on a green screen. Should I convert to swf? flv? As I stated in my original post, I’m looking for a path to follow, an example to study, something that will teach me what needs to be done although my mileage will vary. I need a way to start because everything I’ve tried isn’t working so it’s obviously not the way.

  Keith
• 

  Jim Kanter

  January 16, 2007 at 3:52 pm

  Check out Adobe.com for Flash stuff. They have a “Studio” site with tutorials and all kinds of useful info.

  I don’t have experience on web-targeted video so I can only point you where I’d look.

  Jim Kanter,
  Digital Film Institute
  http://www.dfilminst.com
• 

  Mediaaffect

  January 17, 2007 at 5:05 am

  With Flash Player 8 compatible Flash video, you can use the On2 VP6 codec’s alpha channel feature to add a video mask to your content. You need to create the alpha channel in another video editing application, such as Adobe After Effects or Adobe Premiere. Once you have a QuickTime file (MOV) with an alpha channel, you can process the source video file with a Flash 8 video encoding utility to create the video transparency in the final FLV file.

  …from another site I keep on file.

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