Loud Hiss When Playing 192kHz Files (ref#08J8QC)

Support
1

What best describes your playback issue?

· I hear distortion or noise when I'm playing music

What type of Zone is affected by this problem?

· *Network Zones* are affected.

Does the issue affect all file formats?

· The issue *only affects one file *format.

Is your device connected directly to the Roon Server via cable or over the network, or is it chained through another device (such as a streamer, Roon Bridge, or Roon Remote)?

· It is connected through a different device (e.g Rasberry Pi)

Does the device play audio from another source when using the same connection?

· The device has no problems with another audio source

Have you checked that Roon is whitelisted in any firewalls?

· I've checked the firewall and the issue remains

If the device has multiple output options, do the other options work as expected?

· Multiple output types are affected

Is the device using the latest firmware as per the manufacturer?

· Firmware is up-to-date but the issue remains

Do you have an approximate timestamp of when the issue last occurred?

· Since last rock update

What are the make and model of the affected audio device(s) and the connection type?

· Dac is okto dac8pro

Describe the issue

When playing 192khz files a loud hiss is present.

Describe your network setup

Rock connect ethernet to win11 nuc connect usb to dac

2

Hey @Jan_R_Smit,

Thanks for sharing your report - it’s good to see you on the community again!

A few immediate things you can test:

  • Inspect the USB cable connecting your NUC to the DAC. A faulty or subpar cable can introduce noise or data transmission errors. Try using a different USB port on the NUC to rule out port-specific issues.
  • Navigate to Roon’s DSP settings and ensure that no unintended sample rate conversions or processing are applied to 192kHz files. Temporarily disable all DSP settings to test if the hiss persists.
  • Confirm that both your DAC and NUC are running the latest firmware and software versions. Manufacturers often release updates to address known issues.

Based on a recent diagnostic report, it looks like you’re running AcourateASIOfor 192 kHz playback - try increasing the buffer size in AcourateASIO’s settings.

If you still have issues after the above, could you please share a screenshot of your signal path when you experience the issue?

Thank you! :raised_hands: