Ok so, my tracks mainly consist of 16 bit samples, and obviously I can render a .wav file from renoise. But then after that, I want to convert that wav file to a 16 bit mp3 320kbps file. So, my question is, will this be the best method to do this? Or will it double dither the file? Should I set the renoise render to 32bit float? Or 32 bit? Then convert that 32bit wav to the mp3?
I would render/work on 32bit float in renoise and then convert it to 16bit mp3.
Obviousely, the 16bit samples you’ve used will not benefit from this, but, the effects you apply to your tracks will be processed with 32bit float when you render your track, thus, maybe give better results.
The convertion to mp3 basically just removes “unneeded information” from an audio source, so, having more “information” in the first place is always a good thing.