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Digital audio interconnects by Matt Ottewill

Digital audio signals consist of a data stream that represents line level signals in binary code. They therefore cannot be said to be audible until they are converted, or decoded, back to an electrical signal. The process of converting an electrical line level audio signal to digital is known as analogue to digital conversion, or A to D. The process of converting an digital audio signal to electrical line level is known as digital to analogue conversion, or D to A.

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