Effects of correlated and uncorrelated interfering noise on interaural time delay (ITD) detection

2006 ◽  
Vol 119 (5) ◽  
pp. 3236-3236
Author(s):  
Andrew J. Kolarik ◽  
John F. Culling
Keyword(s):  
Time Delay ◽  
Interaural Time Delay

Time-Intensity Trade for Speech: A Temporal Speech-Stenger Effect

1976 ◽  
Vol 19 (4) ◽  
pp. 749-766 ◽  
Author(s):  
Michael J.M. Raffin ◽  
David J. Lilly ◽  
Aaron R. Thornton
Keyword(s):  
Time Delay ◽  
Clinical Application ◽  
Time Delays ◽  
Multiple Images ◽  
Potential Clinical Application ◽  
Interaural Time Delay ◽  
Lateralization Effect

Time-intensity trade for selected spondaically stressed words was investigated using a centering method for interaural time delays of 0.00, 1.00, 2.00, 2.25, 2.50, and 2.75 msec at five levels of presentation: 0-, 25-, 40-, 55-, and 70-dB HL (ANSI, 1969). Lateralization effects increased with level of presentation, with a maximum lateralization effect of between 22 and 30 dB occuring with an interaural time delay of 2.25 msec. Multiple images were perceived by all subjects with an interaural time delay of 2.75 msec and by some subjects with an interaural time delay of 2.50 msec at high levels of presentation. No “ear effect” was observed for any of the listeners. A potential clinical application is discussed for this temporal speech-Stenger effect.

scholarly journals Prediction of Human's Ability in Sound Localization Based on the Statistical Properties of Spike Trains along the Brainstem Auditory Pathway

2014 ◽  
Vol 2014 ◽  
pp. 1-11
Author(s):  
Ram Krips ◽  
Miriam Furst
Keyword(s):  
Time Delay ◽  
Lower Bounds ◽  
Sound Localization ◽  
Human Performance ◽  
Acoustic Stimulus ◽  
Auditory Pathway ◽  
Superior Olivary Complex ◽  
Optimal Estimator ◽  
Interaural Time Delay ◽  
Interaural Level Differences

The minimum audible angle test which is commonly used for evaluating human localization ability depends on interaural time delay, interaural level differences, and spectral information about the acoustic stimulus. These physical properties are estimated at different stages along the brainstem auditory pathway. The interaural time delay is ambiguous at certain frequencies, thus confusion arises as to the source of these frequencies. It is assumed that in a typical minimum audible angle experiment, the brain acts as an unbiased optimal estimator and thus the human performance can be obtained by deriving optimal lower bounds. Two types of lower bounds are tested: the Cramer-Rao and the Barankin. The Cramer-Rao bound only takes into account the approximation of the true direction of the stimulus; the Barankin bound considers other possible directions that arise from the ambiguous phase information. These lower bounds are derived at the output of the auditory nerve and of the superior olivary complex where binaural cues are estimated. An agreement between human experimental data was obtained only when the superior olivary complex was considered and the Barankin lower bound was used. This result suggests that sound localization is estimated by the auditory nuclei using ambiguous binaural information.

Auditory evoked fields to variations of interaural time delay

2005 ◽  
Vol 383 (3) ◽  
pp. 311-316 ◽  
Author(s):  
Yoshiharu Soeta ◽  
Seiji Nakagawa ◽  
Mitsuo Tonoike
Keyword(s):  
Time Delay ◽  
Auditory Evoked Fields ◽  
Evoked Fields ◽  
Interaural Time Delay
Sign in / Sign up

Export Citation Format

Share Document