True, but not usually the common way to do it.
Actually, the lower the frequency the worse the signal to noise ratio, so that’s counter intuitive.
To offer a different perspective, I think this visual appearance could well be an artifact of how Roon’s algorithm analyzes audio content, and since that’s quite a fast sweep up the range, Roon might well sample too slow/coarse to catch the complete integral in the lower registers.
When comparing Roon’s EBU128 LUFS numbers with my dynamic-range-metering-bridge, I have found minor discrepancies in some instances, and think I’ve just found the answer in light of this topic.