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RE: RPi5 - the first month

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In Reply to: RE: RPi5 - the first month posted by Ryelands on December 27, 2023 at 06:18:24

But you have also stated the one truth that otherwise gets lost in all of the rubbish about digital, it is the ANALOG noise generated by the drives/computers/interfaces that make the difference. But, if you isolate that noise, either through wifi or optical, it stays where it was generated. The noise does not travel through the air. Digital streams are pure.

When that wifi hits the final receiver, the receiver can itself be generating noise, but at some point the DAC needs to convert the digital and reject the noise through whatever filtering mechanisms it has. No doubt there can be issues with that too.

And at the speeds offered these days, audio is just a drop in the bucket and can be retransmitted multiple times to ensure that it is right. Only the final leg needs to be real time. 24x384 DxD is about 20mbps, my wifi is 1000mbps, so about 50x faster. Oh, it is always right because everything that hits my computer from the internet is always right. You never see garbled text on a screen, do you?

Follow Ups:

RE: RPi5 - the first month - Ryelands 09:18:34 12/27/23 (1)
But, if you isolate that noise, either through wifi or optical . . . Digital streams are pure.

Aye, right. As pure as my heart. Other than in a (perfectly proper, indeed essential) conceptual sense, there is no such thing as a 'digital stream' absent the medium that carries it.

. . .at the speeds offered these days, audio is just a drop in the bucket and can be retransmitted multiple times to ensure that it is right.

I don't get your point. Can you clarify?

You never see garbled text on a screen, do you?

Garbled is not the same as distorted. The resolutions involved in monitor-displayed text are so low that you don't know if it is distorted or not.

At the much higher high resolutions used for printed text in the graphic arts sector (typically 1270 or 2540 dpi) yes, you can, you do and I have.

Dave
- RE: RPi5 - the first month - zacster 11:22:59 12/27/23 (0)
  Does the noise travel through the air?
  
  Does audio happen real time over wifi? No. The entire track is forwarded before it even starts to play. And if it doesn't pass the error check it is forwarded again until it is right.
  
  Graphics arts issues are with original resolutions and recordings. Once the text is in the high resolution necessary does it change upon transfer? There is a difference between creation and replication. Is every digital recording ready for playback? The studio guys would argue that it isn't. But once they are done it doesn't change just because you play it one way or the other.

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