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Correlation factors describing primary and spatial sensations of sound fields

Identifieur interne : 002137 ( Main/Exploration ); précédent : 002136; suivant : 002138

Correlation factors describing primary and spatial sensations of sound fields

Auteurs : Y. Ando [Japon]

Source :

RBID : Pascal:03-0085618

Descripteurs français

English descriptors

Abstract

The theory of subjective preference of the sound field in a concert hall is established based on the model of human auditory--brain system. The model consists of the autocorrelation function (ACF) mechanism and the interaural crosscorrelation function (IACF) mechanism for signals arriving at two ear entrances, and the specialization of human cerebral hemispheres. This theory can be developed to describe primary sensations such as pitch or missing fundamental, loudness, timbre and, in addition, duration sensation which is introduced here as a fourth. These four primary sensations may be formulated by the temporal factors extracted from the ACF associated with the left hemisphere and, spatial sensations such as localization in the horizontal plane, apparent source width and subjective diffuseness are described by the spatial factors extracted from the IACF associated with the right hemisphere. Any important subjective responses of sound fields may be described by both temporal and spatial factors.


Affiliations:


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Le document en format XML

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<s1>Graduate School of Science and Technology Kobe University, Rokkodai</s1>
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<term>Autocorrelation function</term>
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<term>Interaural time</term>
<term>Modeling</term>
<term>Psychoacoustics</term>
<term>Room acoustics</term>
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<keywords scheme="Pascal" xml:lang="fr">
<term>Acoustique salle</term>
<term>Salle concert</term>
<term>Psychoacoustique</term>
<term>Audition binaurale</term>
<term>Temps interauriculaire</term>
<term>Modélisation</term>
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<div type="abstract" xml:lang="en">The theory of subjective preference of the sound field in a concert hall is established based on the model of human auditory--brain system. The model consists of the autocorrelation function (ACF) mechanism and the interaural crosscorrelation function (IACF) mechanism for signals arriving at two ear entrances, and the specialization of human cerebral hemispheres. This theory can be developed to describe primary sensations such as pitch or missing fundamental, loudness, timbre and, in addition, duration sensation which is introduced here as a fourth. These four primary sensations may be formulated by the temporal factors extracted from the ACF associated with the left hemisphere and, spatial sensations such as localization in the horizontal plane, apparent source width and subjective diffuseness are described by the spatial factors extracted from the IACF associated with the right hemisphere. Any important subjective responses of sound fields may be described by both temporal and spatial factors.</div>
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   |texte=   Correlation factors describing primary and spatial sensations of sound fields
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