I was just musing on the nature of reissues, which I have some tangential professional experience with. I don’t work for Mississippi or Smithsonian Folkways, so I cannot answer your question.
If I were to guess, I would think Mississippi just used the original 1997 cds. They may have done some additional remastering, but it would still remain in the 44.1 kHz sampling rate.
Where did you see that Smithsonian Folkways offers something higher res than 44.1 kHz cd standard wav audio?
