192/24 over HDMI Not Supported on Intel NUC7 series; Can ROCK Help?

Support
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I just setup a new NUC7i5BNH as a Roon Endpoint to feed multichannel over HDMI to my Casablanca pre/pro. Everything seemed great until I tried to play tracks at 192/24 resolution. Roon was showing as truncating the word size from 24 to 16 bits. I was pulling my hair out trying to figure out what I had configured incorrectly until I found this thread:

I want to give a shout out to @john from Support for finding this; it definitely saved me a lot of time and aggravation. It seems that the latest Intel HDMI drivers cannot output 192/24 so Roon has to truncate the word length.

Some of the suggestions include installing an older HDMI Display Audio Driver but there are reports of instability with this work-around.

My question is: would installing ROCK on this device allow me to run this NUC as an endpoint and is the HDMI Audio Driver included with ROCK able to handle 192/24 and multi-channel?

TiA!

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Hi @John_Winterberg ---- Thank you for the post and my apologies for the slow response here.

In regard to your questions:

  1. Yes, if you install ROCK on the mentioned NUC you can use it as an endpoint.

  2. Yes, you can output 192/24 multichannel via ROCK as long as the end point accepts the format.

-Eric

1 Like
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@eric,

Thanks very much for the response. I was very unhappy with Intel when I found out how they have screwed up their driver. I glad to hear that ROC is done correctly.

Roon support is outstanding. I was very impressed how @john researched the issue and provided the information to the Roon community.

Thanks again!

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