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A Customizable Model of Head-Related Transfer Functions Based on Pinna Measurements
Navarun Gupta, Armando Barreto
Pages - 20 - 26 | Revised - 31-01-2011 | Published - 08-02-2011
MORE INFORMATION
KEYWORDS
HRTF, Binaural, HRIR, Pinna, Model
ABSTRACT
This paper proposes a method to model Head-Related Transfer Functions (HRTFs) based on the shape and size of the outer ear. Using signal processing tools, such as Prony’s signal modeling method, a dynamic model of the pinna has been obtained, that completes the structural model of HRTFs used for digital audio spatialization.
Listening tests conducted on 10 subjects showed that HRTFs created using this pinna model were 5% more effective than generic HRTFs in the frontal plane. This model has been able to reduce the computational and storage demands of audio spatialization, while preserving a sufficient number of perceptually relevant spectral cues.
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Dr. Navarun Gupta
University of Bridgeport - United States of America
navarung@bridgeport.edu
Dr. Armando Barreto
Florida International University - United States of America
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