audio hardware available
on the accessory.</p>

<p>Using the audio output features provided by the ADK library requires only a few function calls.
The first few calls are in the accessory <code>setup()</code> routine, which prepare the accessory for
USB connections and audio output, as summarized in the code example below:</p>

<pre>
ADK L;
void setup() {
  L.audioInit();
  L.usbh_init()
  L.usbStart();
}
</pre>

<p>For more information about the <code>ADK::audioInit()</code> function, see the <code>librari