| Value | 
Description | 
| 0 | 
The audio output channel is available (not busy). | 
| 1 | 
There is no support for audio output; for example, because there is no sound card. | 
| 2 | 
The audio output channel can't be opened (is busy); for example, because some other application is playing audio. | 
| 3 | 
The audio output channel is busy because the server is processing user speech input.  | 
| 4 | 
The audio output channel is busy because a character is currently speaking. | 
| 5 | 
The audio output channel is not busy, but it is waiting for user speech input.  | 
| 6 | 
There was some other (unknown) problem in attempting to access the audio output channel. |