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Dissimilarity judgments in relation to temporal and spatial factors for the sound field in an existing hall

Identifieur interne : 000525 ( PascalFrancis/Checkpoint ); précédent : 000524; suivant : 000526

Dissimilarity judgments in relation to temporal and spatial factors for the sound field in an existing hall

Auteurs : T. Hotehama [Japon] ; S. Sato [Japon] ; Y. Ando [Japon]

Source :

RBID : Pascal:03-0085591

Descripteurs français

English descriptors

Abstract

In relation to the temporal and spatial factors of sound fields, dissimilarity judgments for different source locations on a stage were performed. This study is based on the model of the auditory-brain system, which consists of the autocorrelation and crosscorrelation mechanisms for sound signals arriving at two ears and the specialization of human cerebral hemispheres. There are three temporal factors (τ1, ϕ1and τe) extracted from the autocorrelation function and four spatial factors (LL, IACC, τIACC and WIACC) from the interaural crosscorrelation function of binaural signals. In addition to these temporal and spatial factors, the orthogonal factors of the subjective preference for sound field (Δt1 and Tsub) were taken into account. The psychological distance between sound fields of different source locations on the stage were calculated by using these temporal, spatial and orthogonal factors of sound fields. Using these distances and their linear combination, dissimilarity can be calculated. Results of multivariable analysis show that the calculated scale values of dissimilarity agree well with the measured scale values.


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Pascal:03-0085591

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