On Sat, 16 May 2020, Kevin Cosgrove wrote:
I have a Delta 1010 (not LT) that works on one computer, but not another. Working means that when I use mudita24 (on LinuxMint 19.3) then all of the line inputs work according to the meters, and follow the input signal. Not working means that when I use envy24control (on Fedora 27) then all of the meters are pegged at the top. envy24control is the predecessor of mudita24. envy24control has worked for me in the past, but on a computer that doesn't exist anymore.
running mudita24 and envy24control side by side on a buntu 20.04 (latest libs etc.) and both work for my Delta66. So I don't think the version of envy24control matters. In your analog volume tab, the mudita24 app shows -inf to +18 and I find 0 works quite well. Envy24control on the other hand, goes from 0 to 164 (ADCs in both cases, the DACs are different). The correct setting in that case seems to be 127. It may help to install envy24control on your mint machine (alsa-tools package) for an easier reference for setting things the same or mudita24 on the Fedora box. Mudita24 is much better in my opinion. It seems on the windows app there is a softswitch that sets things to +4 or -10... it seems that all that does is to level controls and indications to a different spot.
Each computer has its own PCI card for the 1010. But, the experiment was conducted with the same 1010 taking turns on each computer. Anyone got some debugging ideas for this? I suppose someone's going to tell me to swap the cards between the computers. Yes, I'll do that. I was hoping to find some setting that automatically works on Mint that's not set the same on Fedora.
If using the same control app on both machines does not help (alsamixer and qasmixer also work) the it is indeed time to try the same card in each machine.
Hmm, the meter settings in envy24control are odd too. I think I would be inclined to run jack and send the inputs to meterbridge or similar for a "second opinion". Even pavucontrol should show what the levels it sees are (without jack).
It is too bad the ice1712 has not been used with PCIe cards, it may not be the best but is certainly better than USB 2.0 audio in some ways.
-- Len Ovens www.ovenwerks.net
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