Yes! PuzzleScript embeds a JS rewrite of Sfxr, and the PuzzleScript "sound codes" are seeds for a random-number generator which produces all the other sound parameters. I initially considered a similar model for Dfxr- or potentially even using PuzzleScript-compatible sound codes- but that wouldn't make it possible for users to save sound effects they've manually tweaked after generation. Dfxr instead packs all the audio parameters into fixed-precision numbers and Base64 encodes the result. The codes are longer, but they can equally represent random presets or manual edits.