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The Filter Button > The Filter Button - Pg. 301

Options When you choose the names of certain codecs from the Compressor pop-up menu-- Motion JPEG, Photo-JPEG, PNG, Sorenson Video, or TIFF, to be precise--an Options button magically appears in the dialog box shown in Figure 12-6, top. In general, you can ignore this button and the extremely technical dialog box that appears when you click it. The "options" for the Sorenson codec aren't options at all--only a summary of your settings. And the options that appear for the other codecs offer only one useful option--"Optimize for Streaming." You'd use this checkbox if you intended to prepare your movie for streaming Internet video, as described in the next chapter. Trouble is, you'd be foolish to use the JPEG, PNG, or TIFF codecs for this purpose to begin with. Codecs like Sorenson, H.263, and H.264 offer far better quality, smaller size, and better compatibility. The Expert Settings The Filter Button Chapter 6 details a number of special effects you can apply to clips in iMovie. But unbeknownst to nine out of ten iMovie fans, you can apply a second suite of special effects to your movie on its way out of iMovie. Simply click the Filter button (Figure 12-5) as you export a QuickTime movie. The dialog box shown in Figure 12-7 appears. By opening the various fippy triangles,