Returns the last recorded audio data.
Returns whether the microphone object is ready to record or not.
If no microphone was found or the user blocked access to it, this will
return false. true otherwise.
Returns the current status of the recorder.
Starts the audio recording.
Stops the audio recording.
Sends an 'Audio Ready' message on the provided SystemBus channel to notify
the object that requested the recording to stop that the audio is ready.
The name of the SystemBus channel to notify.