part of any movie may accumulate.



needed to play that data).  Nevertheless, sound and image data that are no longer 

(you wouldn't want the data to be deleted if you had a second untrimmed movie that 

This is because of the separation of sequence information from sound and image data 

If you trim away part of a movie, the sound and image data may not be deleted.  

to play all the movies in the file.



are stored together in one file.  You only need access to this one file in order 

means make sure the sound and image data and the sequence information 

Make movies self-contained 

image and sound data files, the movie will play.



one movie may be stored in multiple files.  As long as you have access to those 

the same file as its sound and image data.  In fact, the sound and image data for 

The sequence information for a Quicktime movie doesn't even need to be stored in 

sequence information.



multiple times -- you only need to store the different versions of 

versions of a movie without having to store the sound and image data 

sequence information doesn't.  For example, separation allows you to create several 

Mainly because the sound and image data require a lot of memory, while the 

Why separate the sequence information from the sound and image data?  

the sounds and images are sequenced when the movie is played.



.   The MooV data are sounds and images.  The MooV resource tells how 

MooV data

and 

MooV resource 

A QuickTime movie consists of a