Types of Alpha Channels

There are several different ways to get the same end result of an alpha channel. Fifteen types of transparencies and keys are listed in the Transparency Settings window (including None), as shown in Figure 7.2. This chapter covers the four general categories and explains common useful methods of working with alpha channels in Premiere. The categories include:

  • Luminance keys

  • Chroma keys

  • Matte keys

  • Graphics containing alpha channels

Figure 7.2. The Transparency Settings window.

graphics/07fig02.gif

If each effect seems to give you a similar end result, how do you know which application to use? It's pretty easy to determine, depending on what type of source material you have to work with and your desired end result.



Premiere 6. 5 Fundamentals
Premiere 6.5 Fundamentals
ISBN: B000H2MVO4
EAN: N/A
Year: 2006
Pages: 219

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