On 2/11/2013 7:54 AM, Don Cox wrote: > But jitter is only relevant when you are_converting_ digital to analog. > You are leaving the digital domain. > > So long as the data remains digital (and inaudible), bits are bits. Correct. But getting into the digital domain, or getting out of it, turned out to be a lot harder than the engineers assumed in the early days of digital. And jitter was one of the big factors, though not the only one. Peace, Paul