A Rigid Sphere Model for the Head Related Transfer Function and its Application to Audio Signal Processing

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" A Rigid Sphere Model for the Head Related Transfer Function and its Application to Audio Signal Processing "

Document Type	:	Latin Dissertation
Language of Document	:	English
Record Number	:	151948
Doc. No	:	ET23740
Main Entry	:	Hetalben Pate1
Title Proper	:	A Rigid Sphere Model for the Head Related Transfer Function and its Application to Audio Signal Processing
Note	:	This document is digital این مدرک بصورت الکترونیکی می باشد
Abstract	:	In this thesis a physical model for sound localization is examined. The headrelated transfer function (HRTF) is determined by calculating the pressure on thesurface of a rigid sphere ensonified by a distant point acoustic source. The rigidsphere is used to model the human head. To determine the scattering of thespherical wave from the rigid sphere, the incident pressure Pi and scatteredpressure P, are calculated using spherical harmonics. The magnitude of HRTF isthe even valued function of the azimuthal angle. The group delay, d,, at lowfrequency and small angle is lower than the lower its asymptotic value. The phaseincreases linearly with frequency. The resulting magnitude and group delay can beused to localize the direction of the source. The results of the spherical modeltransfer function are compared with that of Brown and Dudas head related transferfunction..............-....,....-...,..tested for theQ1 PC1 bus cardBoth these projects mere sofixare des elopment efforts tonards contributing to dlfferentaspects of Roboucs and lZ1echatronics projects m the Controls and Roboucs Group..
Subject	:	Electericl tess
	:	برق
electronic file name	:	TL46997.pdf
Title and statement of responsibility and	:	A Rigid Sphere Model for the Head Related Transfer Function and its Application to Audio Signal Processing [Thesis]