images as the running scenario that we we show pictures of in slides because it's much easier easier to show a picture of an image than to play an audio waveform but everything that we describe for images applies to more or less any other kind of data so there are two things you might ask for a generative model to do one is what we call density estimation we're given a large collection of examples we want to find the probability density function scribes as examples but another thing we might do is try to learn a function or a