Audio Recorder is a Nokia example application demonstrating how to record and play audio in Windows Phone 8 devices. XNA Audio API and Windows Audio Session API (WASAPI) are covered by the example. This Nokia example application has been created to provide tips and best practice guidance for software developers and app designers, and may not have all the features you would expect in a commercial product. This application is published in Store as a free software as it may also have value to regular Nokia phone users. The source code and documentation of this example can be downloaded from Nokia Developer website.