I love Saracon for strictly PCM work, but there are other, more efficient and better sounding SRC out there for DSD.
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We worked for months with HDtracks in choosing the best DSD->PCM conversions for all the SACD rips we were doing. We tried AudioGate, Saracon, SBM, Pyramix and even DiscWelder. In every case, the Saracon converters just seemed to take the life out of every file.