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Re: We are not connecting here

Howdy

But that is exactly my point: that isn't a mistake it's reality. A FIFO doesn't make things perfect, tho it usually helps. A FIFO is a jitter filter not a jitter eliminator. The point of the author of the diagram is trying to make (http://audio.peufeu.com/node/7) is that using a DAC sourced clock to drive the transport and also to reclock the returning data helps to solve a lot of the S/PDIF problems (but not eliminate them entirely.)

Anyway I don't believe in gremlins and it's obvious to me that jitter is the cause of the problems that you are attributing to gremlins :)

I was encouraged as I looked for the links I gave that more and more universities are adding sections to their EE courses about jitter. I was taught a little about it back in the late 70's but I haven't run across too many hardware people with formal training in jitter mitigation.

-Ted

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