bibo01

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On your NAS you probably have some benchmark apps. If you use them during playback, you can see if there is a spike on CPU/Ethernet/Disk drive and what service on your NAS may create a problem... sometimes it may be due to a NAS system upgrade. I followed up a similar issue with Roon and Synology support and in the end I had to reinstall Roon.

The new Ravenna driver version has solved the bug in playback and it seems to work with HQPlayer.

Re. Rasp 4, apparently they all have a design defect that prevents electric supply from USB Type C cables. Co-founder, Eben Upton, has said that it will be fixed in the next board releases. - Source -

You can try removing all other ASIO drivers, if you have them in your PC, and reinstall Holo's.

Unfortunately, these "passive" CPU heat sink are meant for servers only where there is always a powerful cooling system blowing across the MB. Notice how the heat sinks are designed to receive air from one side only. Better go for Noctua.

OT I think that Taiko is doing no upsampling, not because their system cannot do it well, but for marketing reasons. It was actually explained by Taiko designer too. They are after end users who own very capable DACs (read: very expensive) which is turn either prefer not to upsample internally or upsample rather well already because of dedicated resources. Personally, I think a double processor, multi-cores system would be extremely good at playback with upsampling or no-upsampling.

https://www.signalyst.com/custom.html

It would be important to know the whole testing setup as well... thanks

Any idea about this?

@Miska I have a little problem with v4. In both Linux and Windows 7. When I open Settings, the menu is too long for the screen and I cannot scroll down. Perhaps its a question of libraries, but at least in Linux when I installed it, v4 also installed its libraries dependencies.

I have no doubt about that. And personally, I like Merging a lot, but it must be said that they are not behaving well with their recent Linux driver development.

Good for them! But not for the people who want to use it with Linux and ask for support

Hi Tom, Was this difference perceived in listening tests too?

My freind @Sigi posted this on Merging forum which may be of interest; Hi community,As announced in the forum rules I asked some questions to the technical support.This was the answer I have got:The ALSA driver is an open source and free of charge driver. The support for that product is reserved to the OEM program only.We do not offer specific support for our Hapi customers regarding the ALSA driver but we have opened a forum board where you can ask your question and thus offer information to the whole community. Now you know what you can expect!