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computer PCI
Network [squeezebox]
USB
spdif
optical [mac]
Follow Ups:
I have a hard time understanding why USB, SPIDF, TOSLINK, Firewire etc etc should be any better or worse than any other. All have adequate bandwidth to pass the data. Unlike analog, with digital you are not streaming sound but 0's and 1's, on-off signals, i.e. data, which is converted to sound by the DAC.
It's called jitter. This is the difference for the most part.
Although some interfaces also actually modify the data, depending on the Computer drivers and ASIO etc..
Steve,
No interface modifies data other than padding or truncating and this would happen anywhere with a computer.
As for jitter it's not the only reason. Jitter is way over looked in many products which has caused the public to fixate on it.
What we should be doing is looking at everything. The system is what makes the difference not jitter. In the last 4 months since getting my dScope III I have seen some pretty amazing stuff in tons of products. I have actually seen jitter higher because of power supplies.
Take for instance the EMU 0404 USB. Replace the power supply and the preformance increase a ton. Same with the Squeeze box. But really both of these products should be applauded for the price preformance ratio.
But for high end there is so much more too look at. Power supply output drivers, filters, caps, grounding, wiring, upsamplers, oversamplers regulation.... the list goes on.
Many of you don't know.. you can use a well respect Linear Technology linear regulator poorly and this will result in more jitter.
I think if you fixate on one thing the rest will suffer. It's a system guys work on all of it because it all makes a difference.
Thanks
Gordon
J. Gordon Rankin
Any suggestions for a EMU 0404 USB power supply upgrade?
Cheers
Thomas
Thomas - forget the power supply. Why dont you just reclock it in a FIFO buffer? Then you dont need any mods to it at all, just a slave clock input.
STeve N.
Thanks Steve,
I juse use the 0404 for room correction measurements so I am looking for simple things to do. It works pretty well as it is.
Cheers
Thomas
Dyna,
computer PCI
Computer to much noise, power supplies suck
Network [squeezebox]
Good system for getting the data there. Some are done pretty cheaply. Not really a bad thing if you use it for data only.
USB
Depends on the implementation. But this is where I put my money so this is where I think it works best.
spdif
Do we need to beat a dead horse anymore than we have. RIP
optical [mac]
Toslink is still SPDIF and never as good as say a BNC outputed stream, so a little of the same. RIP
~~~~~~~
But remember just saying a technology is not enough. It's the implementation that really counts and if not done well it can be just as bad as some of the other interfaces that are less worthy.
Thanks
Gordon
J. Gordon Rankin
Gordon,
Thank you for the answers.
I tried different methods and ended up with the squeezebox, just do to logistics [source so far away from DAC]
I wanted to make sure I didnt miss an opportunity before I commit myself too deeply.
Squeezebox--> DAC--> Powered Speakers.
Dyna,
Just make sure you update the power supply. The preformance can increase a ton from that switcher unit they ship with it. You can do other stuff like swap out the RCA SPDIF for BNC and stuff but why. Just enjoy and have fun.
Thanks
Gordon
J. Gordon Rankin
With all things being equal except the interface?
you have to look at the DAC. Some DACS work better with one interface, some with another. Some only accept one interface, some accept a variety.
Since you don't state what DAC there are too many variables to answer the question.
You are going at it bass-ackwards anyway. Find a DAC you like and then use the interface that works best with it. Choosing a DAC based on the interface is like choosing a car based on what grade of gas it requires.
What do you mean BEST? Best sound quality, best ergonomics, least effort, WAF???
Networked is the most technically simple solution, but USB can be excellent also, and many support 24/96. Any of them can sound bad if not implemented well.
"You are going at it bass-ackwards anyway. Find a DAC you like and then use the interface that works best with it. Choosing a DAC based on the interface is like choosing a car based on what grade of gas it requires."
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