PMID: 8473602Mar 1, 1993Paper

An insert earphone system for delivery of spectrally shaped signals for physiological studies

The Journal of the Acoustical Society of America
J C ChanJ E Hind

Abstract

Acoustic signals arriving at the eardrum in free-space carry directionally dependent temporal and spectral information resulting from the acoustical effects of the body, head, and external ear as well as from differences in the length of the sound path to each ear. Through analysis of the responses of single auditory neurons, the acoustical and neural mechanisms by which sounds in free-space are localized are being studied. The approach involves simulation of free-field signals at the two eardrums of a cat via earphones and a study of the neuronal responses to such a virtual acoustic space. This approach makes it possible to manipulate different stimulus parameters independently in order to examine their role in determining the spatial characteristics of neuronal response. This report describes an insert earphone system designed for the delivery of such simulated signals which are broadband transients having complex spectra that mimic the acoustic transfer function of the external ear for frequency components up to 30 kHz or more.

Citations

Nov 1, 1994·Hearing Research·J ChenR A Reale
Dec 18, 2004·Ear and Hearing·K T Dunckley, L E Dreisbach
Feb 8, 2002·The Journal of the Acoustical Society of America·Edward H Overstreet, Mario A Ruggero
Feb 5, 2003·Audiology & Neuro-otology·Edward H OverstreetMario A Ruggero
Jul 21, 2007·Proceedings of the National Academy of Sciences of the United States of America·Jiangang GaoJian Zuo
Nov 16, 2002·The Journal of Physiology·Edward H OverstreetMario A Ruggero
Jun 13, 2015·Journal of the Association for Research in Otolaryngology : JARO·Luis RoblesMario A Ruggero
Jun 17, 2005·The Journal of the Acoustical Society of America·Laura E Dreisbach, Jonathan H Siegel
Jan 5, 2002·The Journal of the Acoustical Society of America·L E Dreisbach, J H Siegel
Sep 29, 2000·The Journal of the Acoustical Society of America·G T HuangW T Peake
Mar 30, 2000·The Journal of the Acoustical Society of America·L Xu, J C Middlebrooks
Jun 8, 2002·The Journal of the Acoustical Society of America·Alberto RecioKeith R Kluender
Feb 12, 1998·The Journal of the Acoustical Society of America·Z WuJ C Chan

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