Nebula [4] is an open-source 1 1 https://github.com/Plateforme-VR-ENISE/Nebula-Core olfactory display compatible with autonomous HMDs and capable of diffusing scents at different diffusion rates. It relies on ultrasonic atomizers controlled via pulsewidth modulated signals. Although designed to diffuse two odors simultaneously, it has only been evaluated and tested for the diffusion of a single odor so far. In this demonstration, we propose to showcase its capacity to diffuse two odors within a 6 DoF (degrees of freedom) immersive scenario.
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Elst et al. (2024) studied this question.
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