MB STUDIO version 8.59.3 available for Windows 10, 8, 7, Vista.
Multichannel option in MB STUDIO PRO plays the elements on different outputs of the sound card alternately or depends of the type of object to play.. For example: having activated outputs 1-2 and 3-4 and activating the Multichannel option in cyclic mode the first element plays on output 1-2 and the next on 3-4 then again 1-2 and so on automatically and without user control. This configuration is tipically used in radio studios on 2 sliders of the external hardware mixer: during a speech operation, the slider of the element that is aired is lowered while the slider of the next element stay up so when clicking NEXT, the next element is already full volume. If the option "Suspend Multichannel during AUTOMATIC" is enabled, the output alternates when in PLAY or AUTOPLAY mode, while in AUTOMATIC mode the output continue on the last used output.
the other mode "depends of the type of object" route the audio according to the content (song, commercial, etc etc)