Human psychoacoustical studies have been the main sources of information from which the brain mechanisms of sound localization are inferred. The value of animal models would be limited, if humans and the animals did not share the same perceptual experience and the neural mechanisms for it. Barn owls and humans use the same method of computing interaural time differences for localization in the ...

OBJECTIVES To measure sound source localization in children who have sequential bilateral cochlear implants (BICIs); to determine whether localization accuracy correlates with performance on a right-left discrimination task (i.e., spatial acuity); to determine whether there is a measurable bilateral benefit on a sound source identification task (i.e., localization accuracy) by comparing perform...

This paper describes a subjective experiment in progress to study human sound localization using mobile audio augmented reality systems. The experiment also serves to validate a new methodology for studying sound localization where the subject is outdoors and freely mobile, experiencing virtual sound objects corresponding to real visual objects. Subjects indicate the perceived location of a sta...

417 Human auditory localization is remarkably accurate, even in complete darkness under open-loop conditions1–4 (Fig. 2; see also Methods). This performance may rival that of the barn owl, a well studied nocturnal hunter that relies heavily on its auditory system to capture prey. Yet, quite different localization mechanisms are used by each species. In barn owls, sound azimuth (horizontal direc...

Several measures of sound source localization performance of 45 listeners with normal hearing were obtained when loudspeakers were in the front hemifield. Localization performance was not statistically affected by filtering the 200-ms, 2-octave or wider noise bursts (125 to 500, 1500 to 6000, and 125 to 6000 Hz wide noise bursts). This implies that sound source localization performance for nois...

Unilateral hearing loss represents great risk to academic backwardness, communication, social development, and also to auditory processing. Thus, the aim of this study was to evaluate the auditory abilities of localization, closing, figure-ground, temporal resolution, and simple temporal ordering in a male 17-year-old individual diagnosed with profound unilateral sensorineural hearing loss of i...

Cochlear implants (CIs) recover hearing in severely to profoundly hearing-impaired people by electrically stimulating the cochlea. While they are extremely effective, spatial is typically limited. Recent studies have shown that haptic stimulation can supplement electrical CI signal (electro-haptic stimulation) and substantially improve sound localization. In sound-localization studies, extracte...

We describe the first single microphone sound localization system and its inspiration from theories of human monaural sound localization. Reflections and diffractions caused by the external ear (pinna) allow humans to estimate sound source elevations using only one ear. Our single microphone localization model relies on a specially shaped reflecting structure that serves the role of the pinna. ...

The paper presents results of determination of sound source localization based on signals measured by first-order ambisonic microphone. The experiment consisted in recording the test signals with the 3D microphone positioned in the axis of the turntable in the anechoic chamber. The spherical coordinates of the sound intensity vector were calculated and compared to actual values resulting from t...