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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 lets you inspect the property of an audio device associated to an

This class requires QuickTime 7 or later and MacOS X.







The QTPlgChannelAudioDevice class constructors are called when you create a new instance of the class, while the ˜QTPlgChannelAudioDevice class destructor, is called automatically when the class is no more in use. Also, you can invoke the class destructor by setting the instance of the class to nil.
Once a new class instance is returned, it is good practice to check the class property to be sure that the new object can be used. You will obtain valid instances of this class only from the property of the class.

The class provides you with the following initializer methods:
(other as QTPlgChannelAudioDevice)
This is the copy constructor. The properties of the object to be copied will be used to initialize the new class instance properties

specifies the unique identifier for the device
specifies a human readable name for the device manufacturer (suitable for GUI)
indicates if someone is performing IO tasks with the device (in any process)
specifies if device can be used for recording (some can only do playback)
specifies if device can be used to preview a grab
indicates if the device supports hardware playthru of inputs to outputs
specifies if the device is the user–selected default input in AudioMidiSetup
specifies if the device is the user–selected default output in AudioMidiSetup
indicates if the device is the user–selected device where system alerts plays
indicates if the device is a Core Audio device