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Chapter 15. QuickTime and the Web > Exporting to QuickTime Using Expert Setting...

Exporting to QuickTime Using Expert Settings

iMovie’s stock QuickTime format settings are good for most situations, but you can also use other compression formats and options by way of the Expert option under the Formats popup menu (Table 15.2).

Table 15.2. Video Compressors Included with QuickTime[*]
AnimationWorks best on computer-generated animations with broad areas of flat color. Doesn’t work well for scenes with lots of color changes.
BMPUsed for still images to be exported in BMP format. Does minimal compression. Inappropriate for video-based movie playback.
CinepakCommonly used for video movies that require CD-ROM playback. Compresses very slowly.
Component VideoHigh-quality compressor. Good for capture on Macs with built-in video capture capabilities and for use as an intermediate storage format. Low compression ratios (larger files).
DV-PAL, DV/DVCPRONTSC, DVCPRO-PALUsed with digital video cameras.
GraphicsGood for 8-bit graphics files. Usually better than the Animation compressor in 8 bits. Slower to decompress than Animation.
H.261Originally designed for videoconferencing. Extremely high compression ratios.
H.263Originally designed for videoconferencing. Very high compression ratios. Sometimes good for Web video.
JPEG 2000High image quality and resolution for still images, using wavelet compression.
Motion JPEG A, Motion JPEG BUsed to decompress files made with certain Motion-JPEG cards when the card isn’t available or to compress in a format that can be played by certain hardware Motion-JPEG cards.
MPEG-4 VideoHigh quality compressed video based on QuickTime.
NoneGood for capture only. Does almost no compression.
Photo-JPEGIdeal for high-quality compressed still images. Also useful as an intermediate storage format for movies and QuickTime VR panoramas. Decompresses too slowly for video-based playback.
Planar RGBFor images with an alpha channel.
PNGTypically used for still-image compression. Can get high compression ratios.
Sorenson VideoVery high compression ratios and high quality. Excellent for Web and CD-ROM.
Sorenson Video 3Very high compression ratios and very high quality (better than Sorenson Video). Currently the best choice for Web and CD-ROM.
TargaTypically used for still-image compression. Does minimal compression.
TIFFTypically used for still-image compression. Does minimal compression.
VideoVery fast video compression and decompression. Decent compression ratios. Good for real-time capture of video, particularly when hard disk space is at a premium. Good for testing clips. OK for hard disk playback. Image quality is poor when compressing enough for CD-ROM playback.
Note: The Minimum Install of QuickTime (which many users will choose) doesn’t install all these compressors. If the computer being used to play a movie that requires one of these compressors has an Internet connection, QuickTime downloads the necessary compressor when it is needed for decompression.

[*] This table has been adapted from one that originally appeared in QuickTime 5 for Macintosh and Windows: Visual QuickStart Guide, by Judith Stern and Robert Lettieri, and is used here with their permission. www.judyandrobert.com/quicktime/



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