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Freitag, 7. Februar 2020
Vortragende: Bingying Qin
Ort: Hörsaal
4G
Zeit: 10:00 Uhr
Master-Vortrag: Acquisition of Individual HRTFs using Acoustic Headtracking
Virtual reality is now widely applied in different areas. Headphone-based binaural rendering is commonly used to reconstruct the sound in a virtual environment. Head-Related Transfer Functions (HRTs) is essential in the sound reconstruction. Using individual HRTF database can achieve a better experience in the sound simulation. The demands for individual HRTF database increase rapidly. The proposed dynamic measurement with acoustic head tracking provides a fast and easy method to obtain individual HRTFs.
This thesis proposes a processing procedure to
get individual HRTF database from the HRTFs measured using
acoustic head tracking. The processing procedure constructs a
desired, usually regularly spaced HRTF data set from the
irregularly spaced measurement results. The relations between
the sound source positions are quantified in weights and the
weights are used in the HRTF interpolation. Interpolation
algorithm with separated amplitude and phase interpolation is
illustrated. Measurements performed in IKS|Lab using acoustic
head tracking proves that the interpolation works well.
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