March 2008
Beginner
230 pages
7h 45m
English
Content preview from The Digital Photography Companion
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PARTIAL METERING AREA
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compression has been available for years in formats such as MPEG-1, MPEG-2, and now
MPEG-4. is technology works its magic by storing only the changes from one frame
to another, and not the entire frame itself. is enables much smaller file sizes than un-
compressed formats, which is important when you’re trying to squeeze full-size video
onto a digital camera memory card.
A variation of the MPEG-4 format is H.264, popularized by Apple. is codec delivers
such high quality at low data rates (the same quality as MPEG-2 at one-third to one-
half the data rate and up to four times the frame size of MPEG-4 at a comparable data
rate) that some camera manufacturers are using it for their native movie compression.
Casio is among the leaders in this trend, but others are sure to follow. You can play back
H.264 movies on both Mac and Windows computers using QuickTime or a QuickTime
plug-in.
See Movie mode earlier in this chapter for more information about shooting video with
your digicam.
TIP ▼
If your camera records in MPEG-4 or H.264 be sure you update the version of Quick-
Time on your computer. Most cameras include the latest version on the bundled
software disc, or you can download QuickTime for free at http://www.apple.com.
Panorama Mode
Have you ever remarked to someone viewing your vacation pictures, “It sure looked a
lot more impressive ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.