@audiotroy You need almost no CPU to be a roon endpoint. the core is usually on a stand alone machine anyway. Aurender doesn't do roon endpoint because they compete with roon.
Aurender
I have a Korean car, watch KDramas and even listen to some KPop, but I don’t get what Aurender is doing.
I’m currently in digital hold given that my new Holo DAC died, but intend on listening to my IFi Zen stream and look at upgrade paths.
Some of the most respected members of this forum swear by Aurender, so it must deliver, but here is my point of confusion:
1. Coax and AES are the preferred outputs, but higher bandwidths require dual AES out, but I don’t have dual in on my DAC.
2. Aurender’s top models claim to have great clocks, so why not pass this on to the DAC via I2s?
3. Top Aurenders accept external clocks and I assume this is used with a DAC that accepts external clocks, but why bother when I2s would take care of this?
4. The argument against I2s is that there isn’t a standard, but this isn’t a problem in most implementations.
I’m sure that I have misrepresented things above, so please correct my understanding.
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@baylinor Apologies, in most posts I do mention that I am an authorized Aurender dealer. I missed it this time. That said, I purchased my N30SA prior to becoming a dealer. Sometimes I prioritize being an audiophile first and was not intending to promote Aurender and try to make a sale. Vonhelmholtz and I have had many discussions personally, and I was simply responding to him directly. He knows I’m a dealer, as he has purchased from me in the past. @vonhelmholtz FWIW, yes the higher end Aurender’s have better clocks, but as @oddiofyl states, even with the N200 he prefers coax. I did not sell him that unit, but I did provide his coax cable. Also, I meant to say +1 in support of a master clock. My T+A unit already has a masterclock built in, and does not accommodate any external clocks, otherwise I’d be looking at one myself! |
Not limited to Aurender, a high quality clock is usually one using OCXO or Femto and “quality” is about accuracy of timing, just like a luxury watch that uses a mechanical design to keep time. The clock’s role is focused on the transmission of digital samples and how well it assembles those samples back together. I wrote in a different thread, but clock and digital playback accuracy can be compared to photography. Many cameras and lenses can take a photo, and many of them do it “well”. But some stand out because of the quality of the lens in reproducing exactly what is out there, and the image is crisper, more natural, and the colors do not bleed due to aberration. A great clock does the same and results in the most accurate timing of digital signals, which will result in clarity, separation, and coherence. A lesser clock can still reproduce well, but in comparison to a great clock, it’s as if the image just wasn’t properly focused ever so slightly, or a slightly inferior lens was used. Sometimes one cannot tell unless comparing the two photos side by side. Higher end Aurender’s do leverage better clocks, but they also leverage more robust power supplies, better isolation (both in circuit design and chassis), and other benefits. |
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