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Sonify videos or images to provide “synthetic vision” using audio

This experimental feature would provide “synthetic vision” using audio, by processing an image or video into an audio equivalent – with brightness represented by loudness, height by pitch, etc. Although research is being done in this area, this feature currently requires too much training to be widely usable by people who are blind.

Discussion by Disabilities (Benefits & Preferred Behaviors)

Blindness

For users who are able to learn and understand the audio equivalent of images, this can increase awareness of surroundings. However, the learning curve is currently too great for any such tools to be widely accepted.

Existing Products

These products are not necessarily endorsed by RtF, but represent the range of available options.

Free, not necessarily open source

These products are free to use, but may have strict restrictions on viewing and modifying source code.

Related Research and Papers

Learn more about blindness and legal blindness.

FLOE Chart Authoring Tool

A tool for authoring accessible charts for the web, including sonification of data.