The effect of varying the signal level on the magnitude response of a head-related transfer function measurement was investigated. Measurement signals with levels ranging between 56 and 86dB SPL were presented over a loudspeaker and recorded using blocked meatus microphones placed in a dummy head. Results indicate that, relative to a 74 dB reference level, for measurement signals below 62dB and above 80dB SPL (1) interaural level differences increase as a function of decreased signal level, and (2) the ipsilateral ear shows a variance in spectral notch depth and center frequency location.

Authors: Jost, Agnieszka; Begault, Durand Rene
Affiliations: AuSIM Incorporated, Scotts Valley, CA ; Human Information Processing Research Branch, NASA Ames Research Center, Moffett Field, CA(See document for exact affiliation information.)
AES Conference: 21st International Conference: Architectural Acoustics and Sound Reinforcement (June 2002)
Paper Number: 000086
Publication Date: June 1, 2002 Import into BibTeX
Subject: Architectural Acoustics & Sound Reinforcement
Permalink: https://www.aes.org/e-lib/browse.cfm?elib=11205

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