A QuickTime movie can have a set of tracks which are alternates for each other. The most common use of this function is for multilingual situations. For example, you may want to provide both an English and a German version of a text track and/or a sound track. Anyone who opens the movie with MoviePlayer can use the Choose Language command in the Movie menu to show a dialog box that allows them to choose a language.
Also, when the movie is first opened, it will automatically enable any track which
matches the current system language and disable any other track designated as alternate
for that track. For example, if you are running the Japanese version of the Macintosh
operating system, and one track in a set of tracks has been designated as a Japanese
track, the Japanese track will be enabled when the movie is first opened.
The following list of instructions applies to a movie that has text tracks in two different languages, but you could easily use sound tracks (or any other type of QuickTime track.)--just choose Sound Track in the places where we mention Text Tracks.
If you were to open this movie on a Macintosh running the operating system for one of the languages you chose, you would first see the track representing that language, regardless of which track was last visible. Note that you can set multiple alternates, allowing you to have a trilingual (or greater) movie, even though you'll only see one listed in the Get Info dialog box.
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Judith L. Stern and Robert Lettieri, firstname.lastname@example.org
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