New Resampler

The new SOX-Resampler is used in the Master-Section and also in the Batch-Processor. In the Batch-Processor there are a few quality options - in the Master-Section, there are none.
Which quality-parameter is used in the Master-Section? And does it change from, lets say ‘Realtime’ while working on a file or Montage to ‘Best’ during rendering?

This global option:

Thanks Phillipe!