10-25-2018, 10:56 AM
(06-08-2018, 07:33 PM)swizzle Wrote: Most dacs oversample internally so the idea is that if the algorithm or process by which that happens isn’t very good you can achieve better results doing it yourself with a known good resampler (like sox) and passing that stream to the dac where it might not manipulate it further.
You can even do the re-sampling externally and thus save the overhead using sox.
Plenty of AK4137 SRC boards....even a HAT for the PI.
Up-sampling to DSD256 and passing this to an Ess Sabre dac has advantages of bypassing the dac resampler and filters.
https://www.ebay.com/itm/ak4137-i2s-dsd-...3fa3882af4
https://www.ebay.com/itm/Raspi-4137-Rasp...0009.m1982
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bob
bob