By default, this variable is set to 2 to use the OpenAL audio library, which supports multiple track audio. Set to 1 if you
want to use the audio library used in earlier versions of Maya.
MAYA_AUDIO_OPENAL_DEVICE
This variable provides a string which lets you specify the OpenAL device driver to use. The system default driver is used
by default.
(Linux) On Linux this can be set to one of the following: