Control audio instance
pause pauses (stops) audio recording or playback
rewind rewinds audio recording or playback, i.e., makes the
beginning of the source (or target) object the current audio
resume resumes previously paused audio recording or playback
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optional arguments passed to the method specific to the object
All functions return TRUE on success and FALSE on failure. All methods are generics and intended to apply to similar asynchronous operations (e.g. movie playback etc.).