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. A ...

Impaired vision and blindness are common. About 3.4 million people in the US are blind or visually impaired. Vision is usually measured by visual acuity charts, and normal vision is expressed as 20/20 ...

Pictured is an example multi-modal representation of stock data created with Umwelt. It includes a line chart, a sonification (top right), and a multi-level textual description describing various ...