Inhalt des Dokuments
P6 - Evaluation of virtual acoustic environments
exploit different strategies to improve the quality of binaural
simulations to be used as a central evaluation platform for the
consortium. Based on an analysis of shortcomings of state of the art
systems, the benefit of extraaural headphones with individualized
headphone equalization and individual ITD scaling with minimum phase
interpolation will be evaluated with a strict test on the plausibility
and authenticity of virtual environments.
The developed binaural reference system will be used to record and auralize a representative sample of natural acoustic environments and to create binaural representations of loudspeaker array systems used in the consortium – required for perceptual evaluations in different subprojects. A new database of HRTFs will be acquired with high spatial resolution and for different orientations of head above torso. These are required for the auralization of numerically modelled environments (P1, P2) and for all other evaluations under anechoic conditions. Based on the recorded HRTFs/BRIRs, different interpolation methods will be comparatively evaluated.
A consensus vocabulary for the qualities of virtual acoustic environments shall be developed, serving as a taxonomy to be related to a variety of system parameters along the signal chain. A software for performing perceptive evaluations will be provided, including all tests paradigms and methods required and able to drive all simulation systems used in the consortium directly.
Thus, a comprehensive collection of methods, tools, and data for the evaluation of virtual acous-tic environments is developed, essential for the proposed consortium and of considerable value for the larger acoustical community after the project.
- © TU Pressestelle
Prof. Dr. Stefan
Sprecher der Forschergruppe / Coordinator Research Unit
room: EN 322
phone: +49 30 - 314 22236
e-mail: stefan.weinzierl AT tu-berlin.de
- © Privat
Fabian Brinkmann 
room: EN 111/112
phone: +49 30 314 23137
- © privat
room: E-N 105/106
phone: +49 30 314 24559
Sprechstunde: Mo 18-19 Uhr