I also use RME for its ADC quality when ripping vinyl.
When using it as a DAC, I recommend the TRS output if you’re going to use RCA connections. The XLR output doesn’t sound as good as the TRS output when the cable is terminated with RCA plugs.
^I believe^
I had a hell of a time with ground loop type of clicks-n-pops when using it as an ADC at first.
Every mouse move or laptop thing was a like a stethoscope into a living laptop.
Once I hooked up a second set of XLRs on the output side, then that quelled the beast.
(My preamp has a set of XLRs and some RCAs.)
A fellow at work has a bunch of 45s of the same band/songs that we have digitised a few of.
The idea is to then combine them into a copy that is the best.
It is conceptually easy to imagine finding scratches and doing some weights average /combining of the multiple signals.
This gets potentially somewhat complicated with holes off centre and motors with less than 100% precise speed control.
So everything needs to be resample to be the same.
I think that the “Platagent process” may be what this is in a commercial sense.
We would just be doing it as a sort of DSP-101, and for a bit of fun.
But it was a shocker to see all the hash on the plots without the needle even yet in the groove.
And the ADC also can some in handy for diddling around with cable and transformer placement etc.
It is sort of nice to see the hash go down, rather than go up, and it doesn’t seem like a sin or a crime to use a scope or display or plot to help work some of that out.