Vortrag entfällt: Towards realistic modeling of head above torso orientations for virtual auditory reality
* Presenting author
Abstract:
Head-related transfer functions (HRTFs) are essential for creating 3-D sound for virtual auditory reality. While the listeners’ head and pinnae clearly have the largest influence on the HRTF, cues from the shoulders and torso should not be neglected. They were shown to provide localization cues for sources outside the median plane and audible coloration. However, including the torso in dynamic virtual scenes in which the listeners can arbitrarily rotate their head in three degrees of freedom is far from trivial. For this reason, the head-above-torso orientation is omitted in most applications and head rotations are rendered by rotating the entire HRTF acquired either for a single, static head and torso orientation or for a head without torso. This project aims at modeling the torso effect based on a database of simulated HRTFs for more than 1,000 head-above-torso orientations. In this talk, we will detail the generation of the database, present new insights into the acoustic effect of the torso, and discuss the challenges and implications of modeling the effect for virtual auditory reality.