Windows® Phone 7.5 Unleashed

Chapter 21. Microphone and FM Radio

In This Chapter

• Using the microphone to record audio to isolated storage

• Creating a helium voice app

• Creating a custom FM radio app

• FM radio region and frequency ranges

• Using the Silverlight Toolkit LoopingSelector

Every Windows Phone device is required to have an FM radio tuner, and likewise, without a microphone, the phone would be no more than a smart camera.

This chapter begins by looking at using the XNA microphone API to record audio. You have some fun with the microphone and create a helium voice app that allows the user to record audio and to modulate the pitch of the recorded audio during playback.

The chapter then looks at the FM radio. You see how to create a custom radio app that uses ...