Umwelt is a new a system that enables blind and low-vision users to author accessible, interactive charts representing data in three modalities: visualization, textual description, and sonification.

Umwelt is a new a system that enables blind and low-vision users to author accessible, interactive charts representing data in three modalities: visualization, textual description, and sonification.

However, XML cannot directly incorporate binary data and the conversion to a human readable clear text representation is not possible without a significant size increase (e.g., to represent a 4 ...