we're gonna think about winged variable models so Peter talked about Gaussian mixture models which are one case of this so here's the is the latent variable P of Z is the prior and that's the marginal distribution so this is how bits back coding works and we're gonna talk about how it works exactly what AMS so in BBA in s the first thing you do if you wish to send X so the goal here is the send X the first thing you do is you you you start off with a non-empty bit screen so you start with so s so we can just call it a bit scream