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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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In Reply to: RE: Excellent post! Thank you and one quibble. posted by John Swenson on October 24, 2009 at 22:57:35:
John, you have go slow with me -- I'm just a dumb analog guy.
I'm not sure what you're proposing here. It sounds like you want to install a complex computer as a server and then put a simple computer as a receiver.
Enabling the complex music server to use any music player software will require something called JACK that will let the software talk to the Ethernet port. Then the simple player only needs a $10 FPGA with a $9000 software core to decode the Ethernet.
So far, it sounds a lot more complex than USB. With USB, the drivers in the server are in the OS already. Then the receiver only needs a $3 USB chip (and a licensing fee to Wavelength, or program it yourself).
The bit advantages of Ethernet are longer cable runs (1000' versus 15') and built-in galvanic isolation with the Ethernet transformer. We have to add about $20 worth of opto-isolators the way we do it. There are other ways that are probably cheaper, that's just the way we're used to doing it. Or you could just skip it altogether.
I dunno, I think I'd give Gordon a call before I spent $9000 on a software core. But maybe I'm still missing something.
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Follow Ups
- RE: Excellent post! Thank you and one quibble. - Charles Hansen 22:40:39 10/25/09 (4)
- RE: Excellent post! Thank you and one quibble. - John Swenson 00:33:23 10/26/09 (3)
- All right, you've got my attention. - Charles Hansen 22:48:18 10/26/09 (0)
- John more thought - Gordon Rankin 05:23:09 10/26/09 (1)
- I believe his entire premise is to get the thing out of the audio system's room - keith_d 06:35:09 10/26/09 (0)
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