![]() In particular, olfaction is important to humans: it’s used to develop object awareness, perceiving the season and atmosphere of a place and a fundamental part of eating. Hence a number of other senses which are important for us and part of many of our experiences are ignored. ![]() Virtual environments most often explore only sight and hearing stimuli, with a distant third position for tactile inputs, which are however very restricted in comparison. Our findings indicate that our solution works as expected, producing odor properly and being easy to integrate to applications. We also present a case study conducted with 32 people to evaluate their satisfaction when using the olfactory display. This paper aims to present a non-intrusive, mobile, low cost and wearable olfactory display, and a software service that allows the developer to easily create applications that include olfactory stimuli integrated with virtual reality headset glasses. The inclusion of odor into virtual reality simulations using a chemical device involves challenges such as possible diffusion into undesired areas, slow dissipation, the definition of various parameters (e.g., concentration, frequency, and duration), and an appropriate software solution for controlling the diffusion of the odor. ![]() Much less research has been done with olfactory devices, and very few of them can be easily integrated into virtual reality applications. Olfaction has not been explored in virtual reality environments to the same extent as the visual and auditory senses. ![]()
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