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Spectral and Spatial Parameter Resolution Requirements for Parametric, Filter-Bank-Based HRTF Processing

In applications such as surround sound reconstruction, the required information in nonindividualized head-related transfer functions (HRTF) can be reduced without producing audible degradation. Estimating the magnitude and interaural phase spectra per critical band is sufficient for transparent parameterization. When reconstructed by interpolation of parameters in the spectral domain, spatial resolution of about 10 degrees proved to be sufficient for high-quality binaural processing. High-frequency phase characteristics proved to be irrelevant, and low-frequency phase can be described only with interaural delay.

Authors: Breebaart, Jeroen; Nater, Fabian; Kohlrausch, Armin
Affiliations: Philips Research, Eindhoven, The Netherlands; Information Technology and Electrical Engineering, Eidgenossische Technische Hochschule, Zurich, Switzerland; Industrial Engineering and Innovation Sciences, Eindhoven University of Technology, Eindhoven, The Netherlands(See document for exact affiliation information.)
JAES Volume 58 Issue 3 pp. 126-140; March 2010 Import into BibTeX

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