Two images of a smartphone screen is shown. On the left, the screen shows hands that show the first few letters of the English alphabet in finger spelling. At the right, the phone screen shows the image of a person signing. An arrow is drawn pointing from the first phone screen to the second. At bottom it says "Fig 6: Sample to display the sign meaning".

This study examines how a smartphone application can help signing deaf people communicate with people who don’t sign. Some of the content may misunderstand the nature of sign language. The title of the study uses a phrase, “deaf and dumb”, that many deaf people consider to be offensive. May require knowledge of software technology.

The web page may be partly accessible for people using screen reading software, but with some accessibility problems.

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