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Identifier

000381357

Title

Bi-manual access in two-dimensional information for the blind

Alternative Title

Πρόσβαση σε δυσδιάστατη πληροφορία για τους τυφλούς

Author

Στρατήγη, Καλλιόπη

Thesis advisor

Bellik, Yacine
Auvray, Mallika

Abstract

It is widely known that life for blind people is too difficult and complicated. Compared to sighted people, they need more effort to finish a task in their daily life. The access to different kinds of documents would be a start for an improved life, giving them the right to a better quality of life. Nowadays, the blinds have access to digital documents with the use of screen readers but unfortunately without perceiving the spatial structure of the document. In this project, , we have implemented a spatial structure of four different types of documents: power point, pdf, excel and html. We have used a series of symbols to present the different kinds of information ( for instance bullet symbols ). The interaction with the document was developed using three different methods. First, we implemented method 1 – speech synthesis, using only a speech synthesizer for the access to the documents. The next method consists of using a mouse and a speech synthesizer. Finally, we used a concept keyboard to accomplish the third method. Furthermore, this project would not be completed without the evaluation part. Ten subjects participated to the evaluation of the usability and effectiveness of the methods, in addition to the accessibility to the structures of the documents. At the end of the evaluation, we were able to get results regarding the best method and the design of the structure for all the different kinds of documents.

Language

English

Subject

Audio Feedback

Document Structure

Haptic interaction

Speech Synthesis

Tactile

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Τυφλοί