>
>
> An application that allows you to change both a tracks duration and
> it's offset of a QuickTime Movie. Both of these values are stored
> with the track in the movies time scale. Changing these values has
> no effect on the track's media, they only change the way in which
> QuickTime will interpret the data. However, because most
> applications use QuickTime to access movie data, it is not usually
> necessary to change the actual movie data.
>
>
