Computer Audio Asylum

RE: USB 4

100.38.89.205

zacster

In Reply to: RE: USB 4 posted by paco on December 09, 2023 at 04:35:12

are you running a long USB cable? That could pick up some noise. For a cable I'm running a 1M Chinese Odin clone that was talked about on the cable asylum about a year ago. It was cheap enough, and they can probably make a USB-C to USB-B type too. Mine is A to B because the RPi doesn't have a C output, hence the adapter when I use it with a Mac.

Follow Ups:

RE: USB 4 - paco 06:44:18 12/11/23 (3)
nope, my USB cable is just 1 meter, and very well protected; also, it is the same cable that i used before, so it seems that the present (small) problems are due to another reason, my guess being the adapter...
- RE: USB 4 - zacster 18:14:08 12/11/23 (2)
  Before you blame a passive adapter maybe you should consider that your iMac is noisier than your old Mac. That's a much bigger change than adding the adapter.
  - RE: USB 4 - paco 22:07:56 12/11/23 (1)
    well, you never know for sure, but in fact the new iMac 24" should sound better than the old iMac 27", at least for 3 reasons: 1. the new M3 processor is way better; 2. the new iMac do not have internal power supply, but external, similar to Mac laptops; 3. the new HD is SSD
    - RE: USB 4 - zacster 06:36:02 12/12/23 (0)
      You would think so but not necessarily. I also would wonder whether Audirvana can control the M1/2/3 boards the way they could control the older machines. It's a different architecture. I know they ported the code over to Apple silicon but that doesn't mean the techniques they use still work. I'll have to try my M1 Macbook Air vs. my i5 Macbook Pro, if I can make it work with the TV as monitor since the screen is cracked.
      
      When I switch from the Raspberry Pi feeding my DAC to my Macbook Pro I definitely hear a difference for the better, and when I do that I use that adapter.

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