A direction-dependent acoustic transfer function from an external source to one ear, including effects of the head, pinna and torso under stated measurement conditions. Individual geometry changes the spectral cues. Apair of such functions predicts binaural signals for a known source; inferring direction from unknownsounds is a harder inverse problem.
The Head-Related Transfer Function (HRTF) is a mathematical representation that describes how an ear receives asound from a point in space. It encompasses the filtering effect that the shape of the head, outer ears (pinnae), and torso have on soundwaves before they reach the eardrum. HRTFs play a crucial role in spatial hearing, allowing individuals to perceive the direction and distance of sound sources.
