4.2

You can modify these file assignments using the following controls
in the Surround Sound Properties area:
Remove button: Click a Remove button to remove a file
assigned to a channel.
Channel icon: Click the channel icon (a speaker icon or
subwoofer icon) to assign a different file to a channel.
Add Video: Click the Add Video button to assign a video file to
the surround sound source audio file. (If a video file has
already been assigned, its filename replaces the Add Video
button, as shown in the image above.)
Clear All: Click the Clear All button to clear all the audio files
assigned to the audio channels and to remove the video file
assigned to the surround sound source file.
Metadata
The following properties are available in the Metadata section of