Evaluation method of artificial acoustical environment: Visualization of sound intensity

Akira Omoto, Harunori Uchida

    Research output: Contribution to journalArticlepeer-review

    4 Citations (Scopus)


    Recent development of sound reproduction systems such as 5.1 surround produces artificial sound field inside the enclosure. The acoustic characteristic of the enclosure is an important factor which determines the quality of the sound field reproduction. This paper provides a useful method for evaluating the characteristics of the sound field in the enclosed space. The proposed method is based on the visualization of the measured sound intensity. In this research, the sound intensity is obtained by measuring the impulse responses from the sound source to the receiving points. The direction and the strength of the intensity can be interpreted as having a strong correlation with the reflected sound from the corresponding direction. The proposed method thus projects that information, i.e., the arriving direction and the strength of the intensity, as the circle having appropriate radius onto the surface of the rectangular wire-frame box. This visualization makes it easy to grasp the fundamental characteristics of the reflections in the enclosure.

    Original languageEnglish
    Pages (from-to)249-253
    Number of pages5
    JournalJournal of physiological anthropology and applied human science
    Issue number6
    Publication statusPublished - Nov 2004

    All Science Journal Classification (ASJC) codes

    • Social Sciences(all)


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