Introduction - If you have any usage issues, please Google them yourself
* Set up the remote i/o audio unit for input and output.
* Use OpenGL for graphical display of audio waveforms.
* Use touch events such as tapping and pinching for user interaction
* Use Audio Session Services to handle route changes and reconfigure the unit in response.
* Use Audio Session Services to set an audio session category for concurrent input and output.
* Use Audio Session Services to play simple alert sounds.