We've all experienced audio that's out of sync. When audio doesn't match up with video, it feels like we're watching a poorly dubbed movie. When your studio hardware isn't synced to a good clock, it creates an odd echoey scenario that can be so subtle you may not realize your overall sound is being degraded. So what can be done in order to keep audio in perfect sync? In a word, a word clock. A word clock is a nifty bit of technology that has the sole purpose of keeping perfect time and preventing data errors with digital audio.