As the sound moves from the listener’s left to right ear, indicating movement along the x-axis, the heights of the bars are represented by pitch. Take, for instance, a sonic representation of an entire bar graph, which incorporates both location and pitch. Users can explore bar charts, time series plots, heat maps, line charts, scatter plots and histograms interactively, relying on sound instead of sight. Sonification uses non-speech audio to convey details about the graph. SAS Graphics Accelerator dynamically generates alternative presentations of SAS data visualizations, including verbal descriptions, tabular data and interactive sonification. No surprise, since most charts and graphs are created exclusively for visual consumption. Until now, students and professionals with visual impairments have suffered from digital data visualization famine. The software provides unparalleled access to data visualization and data science for people with visual impairments.
That is changing, thanks to SAS ® Graphics Accelerator. Why? Because the technology is not accessible. People with visual impairments are often shut out from hot careers in STEM fields, including analytics and data science.
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