Hello.
Sorry for interrupting what others are talking about, but I would like to know how to write a simple high-pass filter for the Matrix pipeline.
I want a filter of:
71Hz -3dB/oct
for my STAX driver because the bass is too strong for the ear speaker, SR-L700Mk2.
I copied the values from my current Digital GEQ, Accuphase DG-68.
(I am planning to get rid of this device once I am settled with HQPlayer’s EQ settings.)
Thank you in advance!
After that, HQPlayer is (re)connecting to the NAA. So what happened before? Why was connection to a NAA lost? So something has happened since the “Play” request and this happening.
That is like half of 1st order, maybe something like this would do:
iir:type=lshelf;f=71;s=0.25;g=-4.2
Modern versions of “less” know how to show contents of compressed files. But otherwise “gzip -dc somefile.gz | less” does the trick too.
One thing to remember when editing hqplayerd.xml with “nano” is that it doesn’t preserve file permissions or ownership. So remember to at least “chown hqplayer /etc/hqplayer/hqplayerd.xml” after touching it with nano. “vim” doesn’t have this issue, but it is certainly unfriendly editor to anyone who is not already used to it’s peculiarities.
Thank you very much!
I still need some help.
I copied/pasted your suggested filter on a notepad and tried to plot it on the Matrix pipeline, but nothing happened.
I thought a header or some spaces were missing as an EQ file, so I tried multiple editions but didn’t manage to make it work. 
Got it, thanks again!
The F* screen saver! Fixed with
sudo apt-get remove lightdm
No more GUI, just login with Terminal and enjoying long play hours!
lightdm is display manager. Part of X11 architecture. Graphical desktops come with few assumptions, for example regarding power management and whether the display is active.
But for running HQPlayer Embedded, Ubuntu Server / Fedora Server (or HQPlayer OS) is intended starting point. As these don’t have any graphical user interface by default. Just a bare text console. You can also convert between server and desktop OS editions through couple of metapackages (empty package that just pulls in bunch of other packages).
I am planning to get RME’s HDSPe AIO Pro, but not sure whether the card should be installed on the computer where HQPlayer OS resides.
My setup is as follows, and the mini computer doesn’t have any PCIe slots.
PC (roon core and optical drives) => mini fanless computer (HQPlayer OS) => Holo Audio RED (HQPlayer NAA/DDC) => DAC
If installed on the roon core PC, will the RME device work as an external input and still be able to send output signal through the HQPlayer?
If my current plan doesn’t work, I’ll build a larger computer for the HQPlayer OS first.
Others can better answer as I don’t use HQPlayer as input but…
My understanding is, for input devices across a network, you still need NAA. Question, what OS is on your Roon server and can you run NAA on it?
Actually in that setup with the rme pcie card, you won’t need a NAA. It will be as simple as say your wiim streamer coax out to the rme pcie card coax in, then on hqplayer select the rme as the input device
Windows 11, and roon connects to the external HQPlayer. I don’t know another way to run the HQPlayer.
I see. Still, I would like to try HQPlayer independent from the roon core, because I wasn’t happy with the sound quality having both the roon core and the HQPlayer Desktop 4 on a Windows 11 PC.
If for example you use the wiim as your streamer coax out to the rme, you can just use the wiim app for streamer and take roon completely out of the equation.
I’ll consider that option for playing sources other than from roon.
Thanks!
Just to clarify, I have licenses for HQPlayer Desktop 4 and HQPlayer embedded 5.
And I hadn’t looked into the “Input” section before, but it seems possible to select input sources from there. I wonder whether I can choose an input source that is not attached directly to the computer.
In my case, I have a raspberry pi 4 that serves as an input NAA (and an output NAA simultaneously), not directly attached to my hqplayer pc. Only connected through my local area network.
But I thought you were talking about getting a RME card, that must be connected to your HQP PC I think
You could run Windows NAA on that one with the RME card. I have not tested this particular combination, but overall it should work.
Thank you very much, as always.
What is “Windows NAA”?
