Quantizing bass

1. Dynamic split.
2. How to quantize with Reaper to taste.
3. Fill gaps between selected items. Use a leading pad of 5-20ms to create a backward temporal mask (see How to mask time edits).

Other tips

To save the release of bass notes without doing much editing with traditional quantization, try using stretch algorithms.¹

I’m not sure I want to do it this way though.

Reaper’s How to quantize with Reaper menu has an option “Quantize item ends and stretch item to fit,” which could be useful for bass.² This could be the best of both worlds. Fill gaps between selected items also has a similar function.