Topic: dream SRC: PCM -> DSD
some high-end brands as PS Audio or Meitner are convert any PCM signal to the DSD
even cheap gear like AK4137 can make it
it brings all tech advantages of the true NOS (digital filters are removed, pure meander) plus we have a pure 18 kHz sinus, which are not exist on the NOS mode until 4x-resampling