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3 Sound Localization ... 3.1.4 Sound Localization in the Barn Owl ... Echoes and reverberation caused by the environment pose difficulty for sound localization. Often the combined effects of multiple reflective sound paths can be as loud as or even louder than the sound traveling a direct path from the source.
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www.ise.ncsu.edu/kay/msf/sound.htm
www.ise.ncsu.edu/kay/msf/sound.htm
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The facial ruff a) improves azimuthal sound localization by increasing the ITD range and b) improves elevational sound localization in the frontal field by introducing a shift of iso–ILD lines out of the midsagittal plane, which causes ILDs to increase with increasing stimulus elevation.
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www.plosone.org/article/info:doi%2F10.1371%2Fjournal.po...
www.plosone.org/article/info:doi%2F10.1371%2Fjournal.pone.0007721
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The ability to identify where sounds are coming from based on auditory cues alone is common to all hearing creatures, but owls—especially barn owls—excel at the task. These birds exhibit such extraordinary sound localization abilities that they are able to hunt in total darkness.
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www.hhmi.org/senses/c210.html
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Figure 1. The sound localization facility at Wright Patterson Air Force Base in Dayton, Ohio, is a geodesic sphere, nearly 5 m in diameter, housing an array of 277 loudspeakers. Each speaker has a dedicated power amplifier, and the switching logic allows the simultaneous use of as many as 15 sources.
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www.aip.org/pt/nov99/locsound.html
www.aip.org/pt/nov99/locsound.html
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Encoding of Sound Localization Cues by an Identified Auditory Interneuron: Effects of Stimulus Temporal Pattern. J. Neurophysiol. 88: 2322-2328, 2002. An important cue for sound localization is binaural comparison of stimulus intensity.
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jn.physiology.org/cgi/content/full/88/5/2322
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3D Sound Localization ... One of the various human sensory capabilities is to identify the direction of perceived sounds. The goal of this work is to study sound source localization in three dimensions using some of the most important cues the human uses.
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www.cse.msu.edu/~weng/research/SHOSLIF-L.html
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The sound localization abilities of three rhesus monkeys were tested under head-restrained and head-unrestrained conditions. Operant conditioning and the magnetic search coil technique were used to measure eye and head movements to sound sources.
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www.jneurosci.org/cgi/content/full/26/38/9820
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During binaural sound localization, a sighted control group showed decreased cerebral blood flow in the occipital lobe, which was not seen in early-blind individuals. ... Citation: Gougoux F, Zatorre RJ, Lassonde M, Voss P, Lepore F (2005) A Functional Neuroimaging Study of Sound Localization: Visual Cortex Activity...
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www.plosbiology.org/article/info:doi/10.1371/journal.pb...
www.plosbiology.org/article/info:doi/10.1371/journal.pbio.0030027
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LOCALIZATION OF SOUND SOURCES ... The ability to cope with reflections of this kind is known as the "Precedence Effect." Our recent study of sound localization has emphasized vertical plane localization and the precedence effect, both individually and in combination.
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www.pa.msu.edu/acoustics/loc.htm
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