Start the microphone test. This will start recording the input from the microphone. Once the recording is complete, call stopMicTest to finish the recording.
Start the speaker test.
Stop the microphone test. Before calling this, you must have successfully started the microphone test by calling startMicTest. Otherwise this returns an error.
Stop the speaker test. Before calling this, you must have successfully started the speaker test by calling startSpeakerTest. Otherwise this returns an error.
Play the microphone recorded sound. You must complete a microphone test by successfully executing startMicTest and stopMicTest before calling this. Otherwise this returns an error.