*Article* **3D Sound Coding Color for the Visually Impaired**

**Yong Lee 1, Chung-Heon Lee 2 and Jun Dong Cho 3,\***


**Abstract:** Contemporary art is evolving beyond simply looking at works, and the development of various sensory technologies has had a grea<sup>t</sup> influence on culture and art. Accordingly, opportunities for the visually impaired to appreciate visual artworks through various senses such as auditory and tactile senses are expanding. However, insufficient sound expression and lack of portability make it less understandable and accessible. This paper attempts to convey a color and depth coding scheme to the visually impaired, based on alternative sensory modalities, such as hearing (by encoding the color and depth information with 3D sounds of audio description) and touch (to be used for interfacetriggering information such as color and depth). The proposed color-coding scheme represents light, saturated, and dark colors for red, orange, yellow, yellow-green, green, blue-green, blue, and purple. The paper's proposed system can be used for both mobile platforms and 2.5D (relief) models.

**Keywords:** visual impairment; accessibility; aesthetics; color; multi-sensory; museum exhibits

**Citation:** Lee, Y.; Lee, C.-H.; Cho, J.D. 3D Sound Coding Color for the Visually Impaired. *Electronics* **2021**, *10*, 1037. https://doi.org/10.3390/ electronics10091037

Academic Editor: Giovanni (Gianni) Ramponi

Received: 19 March 2021 Accepted: 22 April 2021 Published: 27 April 2021

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