Best USB->I2S Option?

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#23
But as in Adaptive-out or Async-OUT that allows the use of an 'external master clock' to control the flow rate?
I think I got it, It doesn't use usbaudio.sys, it works as if it was an external hard drive or printer, correct?
 
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#34
Hi,
i'm currently use this :

USB Audio interface | ABC PCB

It works great for me.

From my point of view there are some major advantages :

1. The board use the XMOS Chip
2. Galvanic Isolation
3. Master Clock creation after galvanic isolation stage (on "secondary side" of isolation)
4. PSU Input to provide external supply for "secondary side" of isolation

One disadvantage, you need to create some adapter pcb to connect the board to DIY stuff.

Regards
Marcus
 
#39
erin said:
Marcus, did you compare this converter to any other converters?
I am also interested in this device, but because it is comparatively more costly than some other well regarded and reviewed options, I would appreciate if you could add some further information.
Thanks
Erin
Click to expand...

Hi Erni,
sorry no direct compare to other converter connected via I2S.
First i began to test some reclockers to know how many room for improvment on that issue (jitter, clocks) possible on my setup. Further think about best solution in terms of costs and benifit.

Following are my test chain which decide to going to EDEL Interface :

1. Intel Mainboard > Optical > DAC
sounds digital and harsh (afterwards 🙂 )

2. Intel Mainbaord > Optical > Behringer Ultramatch Reclocker (99 Euro) > Optcial > DAC
sounds better, would say 5%, more musical, less harsh

3. Intel Board > Optical > Mutec MC-6 Reclocker (525 Euro) and Apogge Big Ben Reclocker (1300 Euro) > Optical > DAC
improvement quite clearly, would say 15% much more musical, smooth, really more joy to listen to

4. Intel Board > USB > XMOS Demo Board (125 Euro) > Optical > DAC
improvement clearly, would say 10% (description see 3)

5. Intel Board > USB > EDEL Usb Board (220 Euro) > I2S > DAC
improvement quite clearly, would say 20% (description see 3)

There is one test missing, it could be possible to connect the XMOS Demo Board via I2S to the DAC, but i never like the idea to connect PC ground to Audio ground.

Regards
Marcus
 
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