WTF is Dither?

A practical exploration of dither, with no maths in sight. How to use dither. How to check your dither is working correctly. Whats the difference between a native DAW dither and a posh dither like MegaBit from iZotope? Should you dither when rendering MP3 files? Once you know this stuff you’ll never have to worry about it again. I used Reaper as usual (plus Sound Forge) but these principles apply whatever DAW you’re using. Sound Forge (affiliate link)