Word Clock - The precise timing of digital audio samples is critical to the correct operation of interconnected digital audio equipment. The \'metronome\' that governs sample timing is called the Word Clock (sometimes conjoined to \'Wordclock\', or abbreviated to \'Wclk\'). However, word clock does more than merely beat time; it also identifies the start and end of each digital word or sample, and which samples belong to the left or right channels. Digital in