This method triggers the start of the audio resource sound playback. The volume is a number between 0 and 100 (percentage of full volume). 50 should be used for normal volume.
Returns true if this audio resource is currently playing
Stops playing the audio resource. If the resource is not currently playing, has no effect.
Returns the maximum number of audio resources which can be played simultaneous. Some Roku models support playing multiple resources and mix the output, others support playing only one stream at a time.
Returns an roAssociativeArray array containing the following meta data parameters about the audio resource. All values are integers.