Playing and Capturing Audio DataThis chapter describes the major steps required to play back and capture (i.e. record) sound data. Related linksHandling PCM devices The software processes for playing back and capturing audio data are similar. This section describes the common steps Playing audio data Once you've opened and configured a PCM playback device and prepared the PCM subchannel, you're ready to playback sound data. Capturing audio data Once you've opened and configured a PCM capture device and prepared the PCM subchannel , you're ready to capture sound data.