кодеки для quicktime movie

The same desktop show is exported in Sorenson Video 3 codec, a popular codec.

To complete the comparison, we add some other popular codecs used in internet for movie delivery.

The file size saving is not great between H.263 and H.264, however, one can easily see the huge improvement over the picture quality.

. (163.11kbits/sec, 904.92KB) (QuickTime 7 Player required to watch this movie.)

The same desktop show is exported in H.264 codec, also known as MPEG-4 Part 10. The new exciting codec for QuickTime 7 and iChat 3.

The same desktop show is exported in H.263 codec, the standard for video conferencing. iChat AV 2.1 is believed to use this codec.

All movies below are exported from QuickTime 7 Pro with different codec. All quality settings are default settings, same dimension, and the frame rate is kept the same as the original captured movie, key frames are set to automatic.

The original captured movie: (no compression, 312.29MB)

Let's take a look at the exciting H.264 codec and compare it to othe popular codecs used in QuickTime movies.

A comparison of different codecs in QuickTime Player

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A comparison of codecs in QuickTime

QuickTime codec comparison - MacCentre701