Setting a Recording Audio Device in Mac OS X -- Many
applications, including PowerPoint allow you to record your voice using a connected microphone. In PowerPoint such recorded voice-overs
work very well as slide narrations. However, if your connected microphone does not work using the recording options in PowerPoint or
another application, then you may have to first find if the microphone hardware was detected or not by your Mac operating system. Also if
detected, has it been selected for recording? In this tutorial, we will discover how you can take care of these concern in Mac.