1. A system comprising: a headset for displaying an environment to a user of the system; a camera configured to capture one or more images of the user; a feature extraction module configured to extract a set of anatomical features from the images of the user, the set of anatomical features describing physical characteristics of the user's body relevant to a personalized head-related transfer function (HRTF) of the user; an engine configured to apply the personalized HRTF to generate audio signals for sounds associated with the environment, the personalized HRTF constructed based on the extracted set of anatomical features; and an audio output device for producing the sounds associated with the environment to the user based on the generated audio signals.