Distance Perception in a loudspeaker-based room auralization system

Sylvain Emmanuel Favrot, Jörg Buchholz

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    Abstract

    A loudspeaker-based room auralization (LoRA) system has been recently proposed that efficiently combines modern room acoustic modeling techniques with high-order Ambisonics (HOA) auralization to generate virtual auditory environments (VAEs). The reproduction of the distance of sound events in such VAE is very important for its fidelity. A direct-scaling distance perception experiment was conducted to evaluate the LoRA system including the use of near-field control (NFC) for HOA. Experimental results showed that (i) loudspeaker-based auralization in the LoRA system provides similar distance perception to that of the corresponding real environment and that (ii) NFC-HOA provides a significant increase in the range of perceived distances for near sound sources as compared to standard HOA.
    Original languageEnglish
    Title of host publicationAudio Engineering Society Convention Papers
    Place of PublicationNew York, USA
    PublisherPraesens Verlag
    Publication date2009
    Pages7854
    ISBN (Print)9780937803714
    Publication statusPublished - 2009
    Event127th Audio Engineering Society Convention - New York, United States
    Duration: 9 Oct 200912 Oct 2009
    Conference number: 127
    http://www.aes.org/events/127/

    Conference

    Conference127th Audio Engineering Society Convention
    Number127
    Country/TerritoryUnited States
    CityNew York
    Period09/10/200912/10/2009
    Internet address

    Keywords

    • High-order Ambisonics
    • Distance perception
    • loudspeaker-based room auralization
    • Virtual auditory environment

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