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Channel devices allow the channel component to control the digitizing equipment. For example, video channels use video digitizer components, and sound channels use sound input drivers.
This class and its derived class lets you inspect the properties of input sources and output destinations associated to a .

The QTPlgChannelAudioIOObject abstract class defines methods and properties common to both input sources and output destinations for audio.

This class requires QuickTime 7 or later and MacOS X.







The QTPlgChannelAudioIOObject class has not constructor at all (you can always use the Realbasic common constructor syntax, of course, but you will obtain an usless object). Its destructor, will be implicitly invoked every time one of its derived classes will be destroyed.

indicates the identifier of the input source or output destination
specifies a descriptive string of the input source or output destination characteristics suitable for UI display