Whether you are using an external microphone to record a business meeting or the built-in microphone to capture casual audio around the office, your MacBook Pro's Sound Preferences dialog lets you ...

Correct audio input settings make it possible for you to enjoy the sound of digital waves crashing against the imaginary shores on your desktop screensaver or the voice of a business contact chatting ...

You can use a Mac for a long time without ever adjusting its audio settings. As with so many things in OS X, the default settings often work just fine with little (if any) intervention on your part: ...

Your Mac is capable of producing sound as well as playing sound channeled from outside sources—devices plugged into the Mac’s USB- and sound input ports as well as audio streamed from the Internet.