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DoP for DSD in Hifiberry OS for Digi2

robert.kunen

June 28, 2023 12:49

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I have just purchased a HifiBerry Digi2 Pro and assembled it on top of a Raspberry Pi4B. Having used a Hifiberry before, I was about to install Ropieee but thought, let’s give Hifiberry OS a try.

Let me start by complimenting Hifiberry OS, as it has advanced so much in previous years and now does more than everything I need. I almost don’t need Ropieee anymore and would like to stick to Hifiberry OS.

Almost, because I lack one option. Where in Ropieee I can activate DoP for DSD, in Hifiberry I don’t find that option. Meaning also in Roon I can’t select DoP for the Hifiberry endpoint.

Right now my DSD content is converted by Roon to 176.4kHz and even though it works, I hear a difference,

I did read somewhere on this community that Digi+ does support DoP. My question is: how? Or if it is not supported, can this feature be added?

For now I would regret this being the reason moving back to Ropieee.

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4 comments

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  HiFiBerry team June 28, 2023 14:31

  While you can do DoP in general, there are no plans to support it in HiFiBerryOS. DoP would mean no volume control is possible and this wouldn't work well together with all the other players.

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  robert.kunen June 28, 2023 15:26

  Indeed, volume control won't work. But why not include this as an option? I don't need volume control as I use volume control of my Chord Dave. I have Roon configured to Fixed Volume anyhow.

  For me it is in the end a showstopper for using HifiBerry OS. The Chord Dave does a much better job converting DSD64 to PCM than Roon does. Other alternatives have this option, I would really appreciate if you add it too.

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  HiFiBerry team June 28, 2023 15:41

  It simply would break a lot of the other players. While this might not be important to you, we won't include an option that would break other stuff. However, we never thought HiFiBerryOS is for everyone. That's the nice thing about the Raspberry Pi platform - there are so many alternatives that you can choose from.

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  robert.kunen June 28, 2023 17:43

  Thank you for the clarity, I appreciate that. Again, I really like Hifiberry OS as it is today, if it weren’t for DoP compatibility I would not look further. The sound quality of the Digi2 Pro is also amazing. Using it through Optical SPDIF to Chord Dave and it surpasses very high end streamers in my opinion. Compliments for that!