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XMOS XU208 USB BRIDGES - THE LATEST GEN HAS ARRIVED!
Jun 1, 2016 at 4:31 AM Post #2,101 of 3,865
rb2013 said:
 
jabbr said:
  Great, ask them to replace the 100Mb/s by 1Gb/s on the Ultimo chip, and I'm your man.
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That would be better - but for me if 100Mb/s gets the two channel job done I'n fine with that.  In fact how many of us would even have any LAN switch in between?  Do we need GB for direct 2 channel hi res audio?
 
Just want to ditch USB!
 
But I'm sure an Ultimo II is in the works AVB complaint.
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NOW you're talking 
wink_face.gif

 
Glad you went this route!
 
Jun 1, 2016 at 6:40 AM Post #2,104 of 3,865
Want a NICE enclosure? Thick Alu frontpanel? Silver or Black?
 
Try this:
 
http://www.ebay.com/sch/Consumer-Electronics/293/i.html?_from=R40&rmvSB=true&_nkw=b0905
 
Jun 1, 2016 at 7:25 AM Post #2,105 of 3,865
rw35 said:
  ^^ Borderline perfect fit : http://www.ebay.co.uk/itm/152062512677
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Got the same one. Perfect fit.
Needs to file a tiny bit of extra space in the upper iinside to accomodate the top curve of the SPDIF.
Would not have been necessary if the case didn't have that 'dip' in the top.
 
Jun 1, 2016 at 9:15 AM Post #2,106 of 3,865
jabbr said:
  Got the same one. Perfect fit.
Needs to file a tiny bit of extra space in the upper iinside to accomodate the top curve of the SPDIF.
Would not have been necessary if the case didn't have that 'dip' in the top.
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I didn't need to shave anything off, just used small amount of force to push it in whilst gently lifting the top = a nice firm hold.
 
Jun 1, 2016 at 9:30 AM Post #2,107 of 3,865
sanlitun said:
  My F1 arrived yesterday and I have had a brief time to give it a listen. Running it with a iFi Gemini cable split off to a separate power supply.
 
The board is very impressive considering its $200 cost. You could easily spend $2000 somewhere else and not get these results. 
 
It's quite radical really, one of the biggest evolutionary changes for me since perhaps hearing a Bakoon amp for the first time. 
 
I'm quite happy as I had figured it would be only a minor gain over the Audiophilleo.
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Nice!  Agree it is very, very good.  Add a ICRON/Startech GB LAN Iso - for galvanic isolation. Takes it a new level.
 
Cheers!
 
Jun 1, 2016 at 9:39 AM Post #2,108 of 3,865
seeteeyou said:
   
It kinda put me off after reading stuff like this below
 
Any interested LAN Audio Interface based on Dante network?
 
Anyways please kindly give that a shot and let us know how it goes.
 
 
If that weren't getting very far, we could still opt for something more opened / less proprietary such as XMOS Ethernet AVB since it's already part of the xCORE family.
 
And you did post something about XK-AUDIO-216-MC-AB here
 
http://www.head-fi.org/t/803111/xmos-xu208-usb-bridges-the-latest-gen-has-arrived/195#post_12495770
 
Pretty good deal for 300 bucks, just send this one to Singxer if they're interested in expanding their offerings?
 
http://www.xmos.com/products/networked-audio/solutions
https://octopart.com/xk-audio-216-mc-ab-xmos-59209066
http://www.xmos.com/support/boards?product=18334
http://www.xmos.com/buy?product=18334
 
https://www.xcore.com/forum/viewtopic.php?f=3&t=3511
https://www.xmos.com/download/private/AVB-Audio-Endpoint-Product-Brief(1.5).pdf
https://www.xmos.com/download/private/AVB-Daisy-Chain-Design-Guide(1.0.6rc0.b).pdf
 
 
XK-AVB-LC-SYS
http://datasheet.octopart.com/XK-AVB-LC-SYS-XMOS-datasheet-17545207.pdf
http://www.digikey.com/product-detail/en/xmos/XK-AVB-LC-SYS/880-1033-ND/2472196
http://www.newark.com/xmos/xk-avb-lc-sys/reference-design-kit-audio-video/dp/07X2000
 
 
Ethernet AVB/TSN Library
http://www.xmos.com/support/software/tsn
 
GitHub - AVnu/Open-AVB: Open AVB - an AVnu sponsored repository for Audio/Video Bridging technology
https://github.com/AVnu/Open-AVB
 
Certified Products | AVnu Alliance
http://avnu.org/certified-products/
 
AVnu: Open source software for AVB/TSN
https://standards.ieee.org/events/automotive/2015/09_AVnu_Open_Source_Software_for_AVB-TSN.pdf
 
Some folks from Marlborough, MA might know more about the implementation
 
http://www.sonilan.com
 
 
What's the difference between AES50, AVB, Dante, etc?
https://www.reddit.com/r/livesound/comments/3rn96z
 
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Thanks for all the great info - esp the XMOS AVB ethernet stuff.  Wow they are close as well.
 
This is really getting interesting.  If XMOS does a Ravenna or Dante AES67 implementation - watch out!
 
AVB is layer 2 and need special swtiches in the LAN.  Dante, Revenna and Livewire (not much said here about them) - AES67 layer3.  and in most cases of normal use non-Qos switches will work (1 GB LAN).
 
From your link:
AVB is a "layer 2" protocol and can only be switched within a local network, while Dante is a "Layer 3" protocol and can be routed through an IP network. You can interface with a Dante network using the ethernet port in your computer. AVB requires an external interface.
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Now for me the LAN part is as interesting as SQ and getting away from USB and it's electric issues and packet design(what all these USB gizmo's try to address).  So a ethernet AVB solution would be fine with me!
 
Now the issue with the XMOS XK-AUDIO-216-MC-AB - is 96k limit - multi channel as it's main purpose.  No SPDIF out.  High cost $300.
 
We are getting close - all we need is XMOS to make a 2 channel higher res AVB or preferably AES67 ethernet to spdif/i2s interface chip or card.
preferably just the chip - then let talented designers like Singxer go to work on the implementation.
 
We are all most there folks!
 
Jun 1, 2016 at 9:46 AM Post #2,110 of 3,865
So this is all become clear to me:
 
This box is so close to what we want - but the only thing holding it back was the 96k limit.  And that has always puzzled me.
 
Now I see why - it must use the DANTE Ultimo chip.  If that chip gets and upgrade to 192k and adds SPDIF or AES Digital out - well we've hit the bullseye.
http://vintageking.com/focusrite-rednet-am2?gclid=Cj0KEQjwj7q6BRDcxfG4pNTQ2NoBEiQAzUpuW5_YX7izjs00sMdettGmoJPwGuAeO6TFogQjCdAcY3kaAtW38P8HAQ
 
Jun 1, 2016 at 11:03 AM Post #2,114 of 3,865
wushuliu said:
Definitely
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I was thinking - all DAC maufacturers have to do is build in a socket for the Dante brooklyn II board - like BURL has done.

Then the user can just buy a Dante board and plug and play.  For $250.  Direct AES67 to the DAC chips - no spdif in between.
 
If Audinate comes out with a Brooklyn III then swap them out.
 
How much could it cost to include one of these sockets?

 
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