ABSTRACT
Charts are visual representations of numerical data to transmit
information efficiently, facilitating understanding. However, the
charts present on the internet often do not have textual descriptions
that screen reader programs can process. Alternatively, it is
incomplete for understanding when this information exists and,
consequently, excludes people, such as the visually impaired. This
article presents a web tool that vocalizes the textual description of
simple and grouped bar charts, using validated description models,
one for each chart type. The evaluation verified the proposal’s feasibility
to help people understand the information in the charts
through speech synthesis. Tests were applied with participants
without visual impairment and with visual impairment. The analysis
of the collected data shows a positive evaluation of the users
about using the tool.